diff --git a/.circleci/config.yml b/.circleci/config.yml
index dd81579f..ba3c478a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -20,10 +20,10 @@ jobs:
           rustup component add rustfmt
           rustup component add clippy
 
-          cargo install --force fcli
+          cargo install --force marine
 
           # build a Wasm binary for interpreter
-          (cd air-interpreter; fce build --features fce)
+          (cd air-interpreter; marine build --features marine)
 
           # build Wasm binaries for tests
           (cd air/tests/; ./build_test_binaries.sh)
diff --git a/.github/workflows/air_tag_release.yml b/.github/workflows/air_tag_release.yml
index 21910050..36826ed0 100644
--- a/.github/workflows/air_tag_release.yml
+++ b/.github/workflows/air_tag_release.yml
@@ -22,12 +22,12 @@ jobs:
           profile: minimal
           override: true
 
-      - name: Install fcli
+      - name: Install marine
         uses: actions-rs/cargo@v1
         with:
           toolchain: nightly
           command: install
-          args: fcli
+          args: marine
 
     ### Update & build
       - uses: actions-rs/cargo@v1
@@ -35,10 +35,10 @@ jobs:
           toolchain: nightly
           command: update
 
-      - name: fce build --release
+      - name: marine build --release
         working-directory: ./air-interpreter
         shell: bash
-        run: fce build --release --features fce
+        run: marine build --release --features marine
 
     ### Create release
       - uses: marvinpinto/action-automatic-releases@latest
diff --git a/.github/workflows/publish_interpreter.yml b/.github/workflows/publish_interpreter.yml
index 42453b34..60af4178 100644
--- a/.github/workflows/publish_interpreter.yml
+++ b/.github/workflows/publish_interpreter.yml
@@ -126,8 +126,8 @@ jobs:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
 
       ### === Rust package release ===
-      - name: Install fcli
-        run: cargo install fcli || true
+      - name: Install marine
+        run: cargo install marine || true
 
       - name: Set interpreter version to ${{ env.FINAL_VERSION }} before the build
         run: |
@@ -142,7 +142,7 @@ jobs:
           )
 
       - name: Build air_interpreter_server.wasm for node
-        run: fce build --release -p air-interpreter --features fce
+        run: marine build --release -p air-interpreter --features marine
         working-directory: interpreter
 
       - name: Copy air_interpreter_server.wasm to air-interpreter-wasm
diff --git a/.github/workflows/publish_interpreter_dev.yml b/.github/workflows/publish_interpreter_dev.yml
index 66f5796b..fa3880de 100644
--- a/.github/workflows/publish_interpreter_dev.yml
+++ b/.github/workflows/publish_interpreter_dev.yml
@@ -149,8 +149,8 @@ jobs:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
 
       ### === Rust package release ===
-      - name: Install fcli
-        run: cargo install fcli || true
+      - name: Install marine
+        run: cargo install marine || true
 
       - name: Set interpreter version to ${{ env.FINAL_VERSION }} before the build
         run: |
@@ -159,7 +159,7 @@ jobs:
         working-directory: air
 
       - name: Build air_interpreter_server.wasm for node
-        run: fce build -p air-interpreter --release --features fce
+        run: marine build -p air-interpreter --release --features marine
         working-directory: air-interpreter
 
       - name: Copy air_interpreter_server.wasm to air-interpreter-wasm
diff --git a/Cargo.lock b/Cargo.lock
index b6939005..154b03eb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -646,112 +646,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "fce"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a299c6632701564a91d59b9ac6f2e2db6a7a36be33347de60ba7f97309e2e4cd"
-dependencies = [
- "anyhow",
- "boolinator",
- "fce-module-info-parser",
- "fce-utils",
- "fce-wit-generator",
- "fce-wit-interfaces",
- "fce-wit-parser",
- "it-lilo",
- "log",
- "multimap",
- "once_cell",
- "parity-wasm",
- "paste",
- "pwasm-utils",
- "semver 0.11.0",
- "serde",
- "thiserror",
- "wasmer-interface-types-fl",
- "wasmer-runtime-core-fl",
- "wasmer-runtime-fl",
- "wasmer-wasi-fl",
-]
-
-[[package]]
-name = "fce-module-info-parser"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f12b63bf1e17b7eab7afefd6b9f60e61c36ab8030d7310a0b4a7b0f46a0a90d"
-dependencies = [
- "anyhow",
- "chrono",
- "fluence-sdk-main",
- "semver 0.11.0",
- "serde",
- "thiserror",
- "walrus",
- "wasmer-runtime-core-fl",
-]
-
-[[package]]
-name = "fce-timestamp-macro"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c59a6302902583b2c84e87de9d72b949da4396a369baf0aaa49e97021600bb0"
-dependencies = [
- "chrono",
- "quote",
-]
-
-[[package]]
-name = "fce-utils"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "922798711870c4f492d30aa8323d8883b72d874e9b108299391fa5f080527109"
-
-[[package]]
-name = "fce-wit-generator"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32ce2865ec46e691b17af91c4ad980771ad59572ff9ef730b5779e33e7df25dc"
-dependencies = [
- "cargo_toml",
- "fce-wit-parser",
- "fluence-sdk-wit",
- "it-lilo",
- "once_cell",
- "serde",
- "serde_json",
- "thiserror",
- "walrus",
- "wasmer-interface-types-fl",
-]
-
-[[package]]
-name = "fce-wit-interfaces"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc40ae6a1afddd132c7d31ad003b57457573c9a434e1c1163537b42cf7d879c1"
-dependencies = [
- "multimap",
- "wasmer-interface-types-fl",
-]
-
-[[package]]
-name = "fce-wit-parser"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e487ac779cbb5f05c0e658dd0f3091d82cb03f25769ae63652e328bf2193072"
-dependencies = [
- "anyhow",
- "fce-wit-interfaces",
- "nom",
- "semver 0.11.0",
- "serde",
- "thiserror",
- "walrus",
- "wasmer-interface-types-fl",
- "wasmer-runtime-core-fl",
-]
-
 [[package]]
 name = "fixedbitset"
 version = "0.2.0"
@@ -760,21 +654,21 @@ checksum = "37ab347416e802de484e4d03c7316c48f1ecb56574dfd4a46a80f173ce1de04d"
 
 [[package]]
 name = "fluence"
-version = "0.6.2"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b731bd4a69a3945186f2ff96ff753908939c8a2debd60e1f0e8edb6a28757f8"
+checksum = "bd1f159a4da6aef89e8e4a0bf061a8031d669d03d9928266942581a52df03f56"
 dependencies = [
- "fce-timestamp-macro",
- "fluence-sdk-macro",
  "fluence-sdk-main",
+ "marine-macro",
+ "marine-timestamp-macro",
  "serde",
 ]
 
 [[package]]
 name = "fluence-app-service"
-version = "0.7.0"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07f30832e91e2a645ab4f97c96e07035929c8b0ecf465f6a00d3cebaad17aa1f"
+checksum = "ba3b1d2c199d6bc140c9ec5ffa323ebd34ac134fb37828bbfd7aeed0339cab78"
 dependencies = [
  "fluence-faas",
  "log",
@@ -788,17 +682,17 @@ dependencies = [
 
 [[package]]
 name = "fluence-faas"
-version = "0.7.0"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d84f0a3eeaa93ae52e91fbbca20d7cf4e58e0e8b2126e9da2fce763ecc5270a3"
+checksum = "9421599c5540e50f3854a0a48702c31408ac1cfb06314fe391792daa3a9d800b"
 dependencies = [
  "cmd_lib",
- "fce",
- "fce-utils",
  "fluence",
  "fluence-sdk-main",
  "itertools 0.9.0",
  "log",
+ "marine-runtime",
+ "marine-utils",
  "safe-transmute",
  "serde",
  "serde_derive",
@@ -823,23 +717,14 @@ dependencies = [
  "wast",
 ]
 
-[[package]]
-name = "fluence-sdk-macro"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb43d2f51f1becb70e2125ef8ca9759597900f95cc22ce7dca981a7d6ccd7dde"
-dependencies = [
- "fluence-sdk-wit",
-]
-
 [[package]]
 name = "fluence-sdk-main"
-version = "0.6.1"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a78910d85e3cdcb9c2baf56144f20a99925c67ac445d4156220c005bfd2f9604"
+checksum = "b3a5d1ca20ada064379d959a9a82f9c006e4d9388533cf06010186fef6dd583b"
 dependencies = [
- "fluence-sdk-macro",
  "log",
+ "marine-macro",
  "serde",
 ]
 
@@ -1210,6 +1095,135 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3e2e65a1a2e43cfcb47a895c4c8b10d1f4a61097f9f254f183aee60cad9c651d"
 
+[[package]]
+name = "marine-it-generator"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "245d4971ee68559236cdd34e6d57ae769dab68c6c9ed4d390f14ae5830880c8f"
+dependencies = [
+ "cargo_toml",
+ "fluence-sdk-wit",
+ "it-lilo",
+ "marine-it-parser",
+ "once_cell",
+ "serde",
+ "serde_json",
+ "thiserror",
+ "walrus",
+ "wasmer-interface-types-fl",
+]
+
+[[package]]
+name = "marine-it-interfaces"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97c533789e72808630cc35b5d14d286382236282525f82ddce8fb47eb9d659e8"
+dependencies = [
+ "multimap",
+ "wasmer-interface-types-fl",
+]
+
+[[package]]
+name = "marine-it-parser"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e59c7067a18b9e4aebe67bee033638fae97d6fe4fb00f70f9a509eb5d03d1c5d"
+dependencies = [
+ "anyhow",
+ "marine-it-interfaces",
+ "nom",
+ "semver 0.11.0",
+ "serde",
+ "thiserror",
+ "walrus",
+ "wasmer-interface-types-fl",
+ "wasmer-runtime-core-fl",
+]
+
+[[package]]
+name = "marine-macro"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c1652b6ac1bbdde9a66c16c8a2f9cd34d005a1f1b211a538c5b28764faa6ef4"
+dependencies = [
+ "marine-macro-impl",
+]
+
+[[package]]
+name = "marine-macro-impl"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80fee75eaf1a97ee9fe2d382c0537c06a79e5d7ab9d81bda6cb263fb8fd1a15a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_json",
+ "syn",
+ "uuid",
+]
+
+[[package]]
+name = "marine-module-info-parser"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "003017e314cebb5c774569a4257f5eca82106cff170b124c6712f2fcd3ceefef"
+dependencies = [
+ "anyhow",
+ "chrono",
+ "fluence-sdk-main",
+ "semver 0.11.0",
+ "serde",
+ "thiserror",
+ "walrus",
+ "wasmer-runtime-core-fl",
+]
+
+[[package]]
+name = "marine-runtime"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8722580724555bf87a1128780f7dd3f700bbc6add690d1efe7e7fc736edf1a1"
+dependencies = [
+ "anyhow",
+ "boolinator",
+ "it-lilo",
+ "log",
+ "marine-it-generator",
+ "marine-it-interfaces",
+ "marine-it-parser",
+ "marine-module-info-parser",
+ "marine-utils",
+ "multimap",
+ "once_cell",
+ "parity-wasm",
+ "paste",
+ "pwasm-utils",
+ "semver 0.11.0",
+ "serde",
+ "thiserror",
+ "wasmer-interface-types-fl",
+ "wasmer-runtime-core-fl",
+ "wasmer-runtime-fl",
+ "wasmer-wasi-fl",
+]
+
+[[package]]
+name = "marine-timestamp-macro"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6feb612ccd3fd39ec3d50c9a1a96885e1fd32d36a92cf674a0fbe6f7c452613"
+dependencies = [
+ "chrono",
+ "quote",
+]
+
+[[package]]
+name = "marine-utils"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8dc5838acba84ce4d802d672afd0814fae0ae7098021ae5b06d975e70d09f812"
+
 [[package]]
 name = "memchr"
 version = "2.4.0"
@@ -1588,9 +1602,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.5.3"
+version = "1.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce5f1ceb7f74abbce32601642fcf8e8508a8a8991e0621c7d750295b9095702b"
+checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
 dependencies = [
  "aho-corasick",
  "memchr",
diff --git a/air-interpreter/Cargo.toml b/air-interpreter/Cargo.toml
index 4a246265..b311788c 100644
--- a/air-interpreter/Cargo.toml
+++ b/air-interpreter/Cargo.toml
@@ -11,12 +11,12 @@ path = "src/wasm_bindgen.rs"
 
 [[bin]]
 name = "air_interpreter_server"
-path = "src/fce.rs"
+path = "src/marine.rs"
 
 [dependencies]
 air = { path = "../air" }
 
-fluence = { version = "0.6.2", features = ["logger"] }
+fluence = { version = "0.6.5", features = ["logger"] }
 
 # Keep 0.2.65 until this is resolved https://github.com/rustwasm/wasm-pack/issues/886
 wasm-bindgen = "=0.2.65"
@@ -26,4 +26,4 @@ serde = { version = "=1.0.118", features = [ "derive", "rc" ] }
 serde_json = "1.0"
 
 [features]
-fce = ["air/fce"]
+marine = ["air/marine"]
diff --git a/air-interpreter/src/fce.rs b/air-interpreter/src/marine.rs
similarity index 96%
rename from air-interpreter/src/fce.rs
rename to air-interpreter/src/marine.rs
index 728ac8c0..5789e4d3 100644
--- a/air-interpreter/src/fce.rs
+++ b/air-interpreter/src/marine.rs
@@ -31,18 +31,18 @@ mod logger;
 
 use air::execute_air;
 use air::InterpreterOutcome;
-use fluence::fce;
+use fluence::marine;
 
 pub fn main() {
     logger::init_logger();
 }
 
-#[fce]
+#[marine]
 pub fn invoke(init_peer_id: String, air: String, prev_data: Vec<u8>, data: Vec<u8>) -> InterpreterOutcome {
     execute_air(init_peer_id, air, prev_data, data)
 }
 
-#[fce]
+#[marine]
 pub fn ast(script: String) -> String {
     ast::ast(script)
 }
diff --git a/air/Cargo.toml b/air/Cargo.toml
index 637f563b..9836fd8a 100644
--- a/air/Cargo.toml
+++ b/air/Cargo.toml
@@ -10,7 +10,7 @@ path = "src/lib.rs"
 
 [dependencies]
 air-parser = { path = "../crates/air-parser" }
-fluence = { version = "0.6.1", features = ["logger"] }
+fluence = { version = "0.6.5", features = ["logger"] }
 polyplets = { path = "../crates/polyplets" }
 air-interpreter-interface = { path = "../crates/interpreter-interface" }
 
@@ -52,5 +52,5 @@ harness = false
 
 [features]
 # indicates that this library should be compiled for the wasm bindgen target
-# otherwise it will be compiled to the FCE target
-fce = []
+# otherwise it will be compiled to the Marine target
+marine = []
diff --git a/air/src/build_targets/fce_target.rs b/air/src/build_targets/marine_target.rs
similarity index 97%
rename from air/src/build_targets/fce_target.rs
rename to air/src/build_targets/marine_target.rs
index 9b0a36a7..792be2fb 100644
--- a/air/src/build_targets/fce_target.rs
+++ b/air/src/build_targets/marine_target.rs
@@ -16,7 +16,7 @@
 
 use super::CallServiceResult;
 
-use fluence::fce;
+use fluence::marine;
 use fluence::module_manifest;
 
 use std::env::VarError;
@@ -29,7 +29,7 @@ pub(crate) fn get_current_peer_id() -> std::result::Result<String, VarError> {
     std::env::var(CURRENT_PEER_ID_ENV_NAME)
 }
 
-#[fce]
+#[marine]
 #[link(wasm_import_module = "host")]
 extern "C" {
     pub(crate) fn call_service(service_id: &str, fn_name: &str, args: &str, tetraplets: &str) -> CallServiceResult;
diff --git a/air/src/build_targets/mod.rs b/air/src/build_targets/mod.rs
index c35d7666..4610e5f2 100644
--- a/air/src/build_targets/mod.rs
+++ b/air/src/build_targets/mod.rs
@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 
-#[cfg(feature = "fce")]
-mod fce_target;
-#[cfg(not(feature = "fce"))]
+#[cfg(feature = "marine")]
+mod marine_target;
+#[cfg(not(feature = "marine"))]
 mod wasm_bindgen_target;
 
 use serde::Deserialize;
@@ -24,7 +24,7 @@ use serde::Serialize;
 
 pub const CALL_SERVICE_SUCCESS: i32 = 0;
 
-#[fluence::fce]
+#[fluence::marine]
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct CallServiceResult {
     pub ret_code: i32,
@@ -37,12 +37,12 @@ impl std::fmt::Display for CallServiceResult {
     }
 }
 
-#[cfg(feature = "fce")]
-pub(crate) use fce_target::call_service;
-#[cfg(feature = "fce")]
-pub(crate) use fce_target::get_current_peer_id;
+#[cfg(feature = "marine")]
+pub(crate) use marine_target::call_service;
+#[cfg(feature = "marine")]
+pub(crate) use marine_target::get_current_peer_id;
 
-#[cfg(not(feature = "fce"))]
+#[cfg(not(feature = "marine"))]
 pub(crate) use wasm_bindgen_target::call_service;
-#[cfg(not(feature = "fce"))]
+#[cfg(not(feature = "marine"))]
 pub(crate) use wasm_bindgen_target::get_current_peer_id;
diff --git a/air/tests/build_test_binaries.sh b/air/tests/build_test_binaries.sh
index 087b3455..9f104d89 100755
--- a/air/tests/build_test_binaries.sh
+++ b/air/tests/build_test_binaries.sh
@@ -6,5 +6,5 @@ for dir in ./security_tetraplets/*; do
     # skip non-directory entries
     [ -d "$dir" ] || continue
 
-    (cd "$dir"; fce build)
+    (cd "$dir"; marine build)
 done
diff --git a/air/tests/security_tetraplets/auth_module/Cargo.toml b/air/tests/security_tetraplets/auth_module/Cargo.toml
index 2ee5f512..88d9901d 100644
--- a/air/tests/security_tetraplets/auth_module/Cargo.toml
+++ b/air/tests/security_tetraplets/auth_module/Cargo.toml
@@ -10,6 +10,6 @@ path = "src/main.rs"
 
 [dependencies]
 air = { path = "../../../../air" }
-fluence = "0.6.1"
+fluence = "0.6.5"
 
 [workspace]
diff --git a/air/tests/security_tetraplets/auth_module/src/main.rs b/air/tests/security_tetraplets/auth_module/src/main.rs
index 77f65e48..6886b399 100644
--- a/air/tests/security_tetraplets/auth_module/src/main.rs
+++ b/air/tests/security_tetraplets/auth_module/src/main.rs
@@ -14,18 +14,18 @@
  * limitations under the License.
  */
 
-use fluence::fce;
+use fluence::marine;
 
 const ADMIN_PEER_PK: &str = "12D3KooWEXNUbCXooUwHrHBbrmjsrpHXoEphPwbjQXEGyzbqKnE1";
 
 fn main() {}
 
-#[fce]
+#[marine]
 struct AuthResult {
     pub is_authorized: bool,
 }
 
-#[fce]
+#[marine]
 fn is_authorized() -> AuthResult {
     let call_parameters = fluence::get_call_parameters();
     let is_authorized = call_parameters.init_peer_id == ADMIN_PEER_PK;
diff --git a/air/tests/security_tetraplets/log_storage/Cargo.toml b/air/tests/security_tetraplets/log_storage/Cargo.toml
index dacc9508..9746cc23 100644
--- a/air/tests/security_tetraplets/log_storage/Cargo.toml
+++ b/air/tests/security_tetraplets/log_storage/Cargo.toml
@@ -10,6 +10,6 @@ path = "src/main.rs"
 
 [dependencies]
 air = { path = "../../../../air" }
-fluence = "0.6.1"
+fluence = "0.6.5"
 
 [workspace]
diff --git a/air/tests/security_tetraplets/log_storage/src/main.rs b/air/tests/security_tetraplets/log_storage/src/main.rs
index ffc30a25..4358bc33 100644
--- a/air/tests/security_tetraplets/log_storage/src/main.rs
+++ b/air/tests/security_tetraplets/log_storage/src/main.rs
@@ -14,11 +14,11 @@
  * limitations under the License.
  */
 
-use fluence::fce;
+use fluence::marine;
 
 fn main() {}
 
-#[fce]
+#[marine]
 fn delete(is_authorized: bool, _record_id: String) -> String {
     let call_parameters = fluence::get_call_parameters();
     let tetraplets = call_parameters.tetraplets;
diff --git a/crates/interpreter-interface/Cargo.toml b/crates/interpreter-interface/Cargo.toml
index feac89b9..b29ffb95 100644
--- a/crates/interpreter-interface/Cargo.toml
+++ b/crates/interpreter-interface/Cargo.toml
@@ -11,7 +11,7 @@ name = "air_interpreter_interface"
 path = "src/lib.rs"
 
 [dependencies]
-fluence = "0.6.1"
+fluence = "0.6.5"
 fluence-it-types = "0.3.0"
 
 serde = "=1.0.118"
diff --git a/crates/interpreter-interface/src/lib.rs b/crates/interpreter-interface/src/lib.rs
index 7a728544..aefa1566 100644
--- a/crates/interpreter-interface/src/lib.rs
+++ b/crates/interpreter-interface/src/lib.rs
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-use fluence::fce;
+use fluence::marine;
 
 use fluence_it_types::IValue;
 use serde::Deserialize;
@@ -23,7 +23,7 @@ use serde::Serialize;
 pub const INTERPRETER_SUCCESS: i32 = 0;
 
 /// Describes a result returned at the end of the interpreter execution.
-#[fce]
+#[marine]
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 pub struct InterpreterOutcome {
     /// A return code, where INTERPRETER_SUCCESS means success.
diff --git a/crates/polyplets/Cargo.toml b/crates/polyplets/Cargo.toml
index 53e2e3f5..f4e34b26 100644
--- a/crates/polyplets/Cargo.toml
+++ b/crates/polyplets/Cargo.toml
@@ -10,6 +10,6 @@ name = "polyplets"
 path = "src/lib.rs"
 
 [dependencies]
-fluence = { version = "0.6.1", features = ["logger"] }
+fluence = { version = "0.6.5", features = ["logger"] }
 serde = { version = "=1.0.118", features = ["rc", "derive"] }
 
diff --git a/crates/test-module/Cargo.toml b/crates/test-module/Cargo.toml
index 832285a8..07f66444 100644
--- a/crates/test-module/Cargo.toml
+++ b/crates/test-module/Cargo.toml
@@ -10,4 +10,4 @@ name = "air_test_module"
 path = "src/main.rs"
 
 [dependencies]
-fluence = { version = "0.6.1", features = ["logger"] }
+fluence = { version = "0.6.5", features = ["logger"] }
diff --git a/crates/test-module/src/main.rs b/crates/test-module/src/main.rs
index 69efe766..7880680b 100644
--- a/crates/test-module/src/main.rs
+++ b/crates/test-module/src/main.rs
@@ -25,17 +25,17 @@
     unreachable_patterns
 )]
 
-use fluence::fce;
+use fluence::marine;
 
 fn main() {}
 
-#[fce]
+#[marine]
 pub struct CallServiceResult {
     pub ret_code: i32,
     pub result: String,
 }
 
-#[fce]
+#[marine]
 pub fn call_service(
     service_id: String,
     fn_name: String,
diff --git a/crates/test-utils/Cargo.toml b/crates/test-utils/Cargo.toml
index 7de85ce6..3f437cbe 100644
--- a/crates/test-utils/Cargo.toml
+++ b/crates/test-utils/Cargo.toml
@@ -10,6 +10,6 @@ name = "air_test_utils"
 path = "src/lib.rs"
 
 [dependencies]
-fluence = "0.6.1"
+fluence = "0.6.5"
 avm-server = { path = "../../avm/server", features = ["raw-avm-api"] }
 serde_json = "1.0.56"