diff --git a/Cargo.lock b/Cargo.lock
index a70cfbc8b..8398e6ca9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3598,9 +3598,9 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
 [[package]]
 name = "syn"
-version = "1.0.104"
+version = "1.0.105"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ae548ec36cf198c0ef7710d3c230987c2d6d7bd98ad6edc0274462724c585ce"
+checksum = "60b9b43d45702de4c839cb9b51d9f529c5dd26a4aff255b42b1ebc03e88ee908"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/crates/fj-proc/Cargo.toml b/crates/fj-proc/Cargo.toml
index 83122d559..422018e33 100644
--- a/crates/fj-proc/Cargo.toml
+++ b/crates/fj-proc/Cargo.toml
@@ -22,7 +22,7 @@ version = "1.0.149"
 optional = true
 
 [dependencies.syn]
-version = "1.0.104"
+version = "1.0.105"
 features = ["full", "extra-traits"]
 
 [dev-dependencies]