diff --git a/Cargo.lock b/Cargo.lock
index ad1cd24..f2583c2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -842,9 +842,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.103"
+version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ee95bc4ef87b8d5ba32e8b7714ccc834865276eab0aed5c9958d00ec45f49e8"
+checksum = "9695f8df41bb4f3d222c95a67532365f569318332d03d5f3f67f37b20e6ebdf0"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 119fd55..d63523a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ cast_sign_loss = "allow"
 members = ["libs/daedalus", "libs/calypso-cangen"]
 
 [workspace.dependencies]
-proc-macro2 = "1.0.101"
+proc-macro2 = "1.0.104"
 quote = "1.0.41"
 serde = { version = "1.0.228", features = ["derive"] }
 serde_json = "1.0.145"