diff --git a/Cargo.lock b/Cargo.lock
index 869ee0b5..f1dbe5fe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -934,9 +934,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.78"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2422ad645d89c99f8f3e6b88a9fdeca7fabeac836b1002371c4367c8f984aae"
+checksum = "3d1597b0c024618f09a9c3b8655b7e430397a36d23fdafec26d6965e9eec3eba"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/packages/proto-build/Cargo.toml b/packages/proto-build/Cargo.toml
index d55e35a7..81a9f195 100644
--- a/packages/proto-build/Cargo.toml
+++ b/packages/proto-build/Cargo.toml
@@ -17,4 +17,4 @@ quote = "1.0.33"
 regex = "1"
 syn = {version = "2.0.52", features = ["full", "parsing", "extra-traits"]}
 walkdir = "2"
-proc-macro2 = "1.0.78"
+proc-macro2 = "1.0.81"
diff --git a/packages/std-derive/Cargo.toml b/packages/std-derive/Cargo.toml
index 566ad903..b8c7c3d3 100644
--- a/packages/std-derive/Cargo.toml
+++ b/packages/std-derive/Cargo.toml
@@ -12,7 +12,7 @@ proc-macro = true
 
 [dependencies]
 itertools = "0.12.1"
-proc-macro2 = "1.0.78"
+proc-macro2 = "1.0.81"
 quote = "1.0.33"
 syn = "2.0.52"