diff --git a/crates/marine-test-macro-impl/Cargo.toml b/crates/marine-test-macro-impl/Cargo.toml
index 20c232e..a9e2257 100644
--- a/crates/marine-test-macro-impl/Cargo.toml
+++ b/crates/marine-test-macro-impl/Cargo.toml
@@ -19,7 +19,7 @@ marine-it-parser = "0.11.0"
 itertools = "0.10.4"
 darling = "0.14.3"
 quote = "1.0.21"
-proc-macro2 = "1.0.43"
+proc-macro2 = "1.0.51"
 proc-macro-error = { version = "1.0.4", default-features = false }
 syn = { version = '1.0.100', features = ['full'] }
 thiserror = "1.0.38"
diff --git a/crates/marine-test-macro/Cargo.toml b/crates/marine-test-macro/Cargo.toml
index bc0f7a9..da03ce3 100644
--- a/crates/marine-test-macro/Cargo.toml
+++ b/crates/marine-test-macro/Cargo.toml
@@ -21,6 +21,6 @@ doctest = false
 marine-test-macro-impl = { path = "../marine-test-macro-impl", version = "=0.8.1" }
 
 quote = "1.0.21"
-proc-macro2 = "1.0.43"
+proc-macro2 = "1.0.51"
 proc-macro-error = { version = "1.0.4", default-features = false }
 syn = { version = '1.0.100', features = ['full'] }