diff --git a/Cargo.lock b/Cargo.lock
index f8030728..94ee5b79 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -273,13 +273,13 @@ dependencies = [
  "aquavm-air",
  "avm-interface",
  "avm-server",
- "ed25519-dalek 1.0.1",
+ "ed25519-dalek 2.1.0",
  "fluence-keypair",
  "maplit",
  "marine-rs-sdk",
  "object-pool",
  "once_cell",
- "rand_chacha 0.2.2",
+ "rand_chacha 0.3.1",
  "semver 1.0.20",
  "serde",
  "serde_json",
@@ -438,7 +438,7 @@ dependencies = [
  "concat-idents",
  "criterion 0.3.6",
  "csv",
- "ed25519-dalek 1.0.1",
+ "ed25519-dalek 2.1.0",
  "env_logger 0.7.1",
  "fluence-app-service",
  "fluence-keypair",
@@ -2199,7 +2199,6 @@ version = "1.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "91cff35c70bba8a626e3185d8cd48cc11b5437e1a5bcd15b9b5fa3c64b6dfee7"
 dependencies = [
- "serde",
  "signature 1.6.4",
 ]
 
@@ -2210,6 +2209,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "115531babc129696a58c64a4fef0a8bf9e9698629fb97e9e40767d235cfbcd53"
 dependencies = [
  "pkcs8",
+ "serde",
  "signature 2.2.0",
 ]
 
@@ -2223,7 +2223,6 @@ dependencies = [
  "ed25519 1.5.3",
  "rand 0.7.3",
  "serde",
- "serde_bytes",
  "sha2 0.9.9",
  "zeroize",
 ]
@@ -2236,6 +2235,7 @@ checksum = "1f628eaec48bfd21b865dc2950cfa014450c01d2fa2b69a86c2fd5844ec523c0"
 dependencies = [
  "curve25519-dalek 4.1.1",
  "ed25519 2.2.3",
+ "rand_core 0.6.4",
  "serde",
  "sha2 0.10.8",
  "subtle",
@@ -2522,13 +2522,13 @@ dependencies = [
 
 [[package]]
 name = "fluence-keypair"
-version = "0.10.3"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b635af10c462212b4a2da1512bf62c0100795b688be8b08c3e7fa337ec33d46"
+checksum = "273ecbe8b6757f46e9d2b61f56ac636f27defa88aebc17a4fd6a7b78bf84cca3"
 dependencies = [
  "asn1_der 0.6.3",
  "bs58 0.5.0",
- "ed25519-dalek 1.0.1",
+ "ed25519-dalek 2.1.0",
  "eyre",
  "lazy_static",
  "libp2p-identity",
diff --git a/air/Cargo.toml b/air/Cargo.toml
index c82e7b06..345ee913 100644
--- a/air/Cargo.toml
+++ b/air/Cargo.toml
@@ -29,7 +29,7 @@ air-lambda-parser = { version = "0.1.0", path = "../crates/air-lib/lambda/parser
 air-trace-handler = { version = "0.5.8", path = "../crates/air-lib/trace-handler" }
 air-utils = { version = "0.2.0", path = "../crates/air-lib/utils" }
 polyplets = { version = "0.5.1", path = "../crates/air-lib/polyplets" }
-fluence-keypair = { version = "0.10.3", default-features = false }
+fluence-keypair = { version = "0.10.4", default-features = false }
 
 serde = { version = "1.0.190", features = [ "derive", "rc" ] }
 serde_json = "1.0.108"
@@ -57,7 +57,7 @@ bs58 = "0.5.0"
 # the feature just silence a warning in the criterion 0.3.x.
 criterion = { version = "0.3.3", features = ["html_reports"] }
 csv = "1.1.5"
-ed25519-dalek = "1.0.1"
+ed25519-dalek = "2.1.0"
 env_logger = "0.7.1"
 once_cell = "1.4.1"
 pretty_assertions = "0.6.1"
diff --git a/air/src/signing_step.rs b/air/src/signing_step.rs
index a663755b..7ca27b83 100644
--- a/air/src/signing_step.rs
+++ b/air/src/signing_step.rs
@@ -33,7 +33,7 @@ pub(crate) fn sign_produced_cids(
     let signature = signature_tracker
         .gen_signature(salt, keypair)
         .map_err(UncatchableError::SigningError)?;
-    let public_key = keypair.public().into();
+    let public_key = keypair.public();
     signature_store.put(public_key, signature);
     Ok(())
 }
diff --git a/avm/server/Cargo.toml b/avm/server/Cargo.toml
index e4447c00..94a6a9ae 100644
--- a/avm/server/Cargo.toml
+++ b/avm/server/Cargo.toml
@@ -31,4 +31,4 @@ serde = "1.0.190"
 log = "0.4.20"
 parking_lot = "0.12.1"
 tracing = "0.1.40"
-fluence-keypair = { version = "0.10.3", default-features = false }
+fluence-keypair = { version = "0.10.4", default-features = false }
diff --git a/crates/air-lib/interpreter-data/Cargo.toml b/crates/air-lib/interpreter-data/Cargo.toml
index 9a4a3233..2da74400 100644
--- a/crates/air-lib/interpreter-data/Cargo.toml
+++ b/crates/air-lib/interpreter-data/Cargo.toml
@@ -22,7 +22,7 @@ air-interpreter-signatures = { version = "0.1.5", path = "../interpreter-signatu
 air-interpreter-sede = { version = "0.1.0", path = "../interpreter-sede", features = ["json"] }
 polyplets = { version = "0.5.1", path = "../polyplets" }
 
-fluence-keypair = { version = "0.10.3", default-features = false }
+fluence-keypair = { version = "0.10.4", default-features = false }
 serde = {version = "1.0.190", features = ["derive", "rc"]}
 serde_json = "1.0.108"
 semver = { version = "1.0.17", features = ["serde"] }
diff --git a/crates/air-lib/interpreter-signatures/Cargo.toml b/crates/air-lib/interpreter-signatures/Cargo.toml
index f228541a..22aa44b1 100644
--- a/crates/air-lib/interpreter-signatures/Cargo.toml
+++ b/crates/air-lib/interpreter-signatures/Cargo.toml
@@ -12,7 +12,7 @@ categories = ["wasm"]
 
 [dependencies]
 air-interpreter-cid = { version = "0.7.0", path = "../interpreter-cid" }
-fluence-keypair = { version = "0.10.3", default-features = false }
+fluence-keypair = { version = "0.10.4", default-features = false }
 
 bs58 = "0.5.0"
 borsh = { version = "0.10.3", features = ["rc"]}
diff --git a/crates/air-lib/test-utils/Cargo.toml b/crates/air-lib/test-utils/Cargo.toml
index ff296b0a..e3920485 100644
--- a/crates/air-lib/test-utils/Cargo.toml
+++ b/crates/air-lib/test-utils/Cargo.toml
@@ -30,10 +30,9 @@ once_cell = "1.17.1"
 semver = "1.0.17"
 serde_json = "1.0.108"
 serde = { version = "1.0.190", features = ["derive"] }
-fluence-keypair = "0.10.3"
-
-ed25519-dalek = "1.0.1"
-rand_chacha = "0.2.2"
+fluence-keypair = "0.10.4"
+ed25519-dalek = "2.1.0"
+rand_chacha = "0.3.1"
 sha2 = "0.10.6"
 
 [dev-dependencies]
diff --git a/crates/air-lib/test-utils/src/key_utils.rs b/crates/air-lib/test-utils/src/key_utils.rs
index 5084f5b1..d7cd064d 100644
--- a/crates/air-lib/test-utils/src/key_utils.rs
+++ b/crates/air-lib/test-utils/src/key_utils.rs
@@ -32,7 +32,7 @@ pub fn derive_dummy_keypair(seed: &str) -> (KeyPair, String) {
         rand_chacha::ChaCha8Rng::from_seed(hasher.finalize().into())
     };
 
-    let keypair_ed25519 = ed25519_dalek::Keypair::generate(&mut rng);
+    let keypair_ed25519 = ed25519_dalek::SigningKey::generate(&mut rng);
     let keypair = fluence_keypair::KeyPair::Ed25519(keypair_ed25519.into());
     let keypair = KeyPair::try_from(keypair).expect("cannot happen");
 
diff --git a/crates/testing-framework/Cargo.toml b/crates/testing-framework/Cargo.toml
index fd8995ca..3cfc5f5d 100644
--- a/crates/testing-framework/Cargo.toml
+++ b/crates/testing-framework/Cargo.toml
@@ -18,7 +18,7 @@ air-test-utils = { version = "0.13.0", path = "../air-lib/test-utils" }
 aquavm-air-parser = { version = "0.11.0", path = "../air-lib/air-parser" }
 
 itertools = "0.10.5"
-fluence-keypair = "0.10.1"
+fluence-keypair = "0.10.4"
 strum = { version="0.24.1", features=["derive"] }
 nom = "7.1.3"
 nom_locate = "4.1.0"
diff --git a/tools/cli/air/Cargo.toml b/tools/cli/air/Cargo.toml
index 9afc9661..2f4e6172 100644
--- a/tools/cli/air/Cargo.toml
+++ b/tools/cli/air/Cargo.toml
@@ -27,7 +27,7 @@ tracing = "0.1.40"
 tracing-subscriber = { version = "0.3.17", default-features = false, features = [ "env-filter", "json", "smallvec", "time", "fmt" ] }
 atty = "0.2.14"
 termcolor = "1.2.0"
-fluence-keypair = "0.10.3"
+fluence-keypair = "0.10.4"
 bs58 = "0.5.0"
 zeroize = "1.6.0"