diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index 975c6613f5..7aad4d07ba 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -5312,7 +5312,7 @@ dependencies = [
  "reqwest",
  "serde",
  "serde_json",
- "syn 1.0.109",
+ "syn 2.0.18",
  "uuid 1.3.4",
 ]
 
diff --git a/backend/windmill-api-client/Cargo.toml b/backend/windmill-api-client/Cargo.toml
index 2dcdb451c5..42372e10d7 100644
--- a/backend/windmill-api-client/Cargo.toml
+++ b/backend/windmill-api-client/Cargo.toml
@@ -24,4 +24,4 @@ base64.workspace = true
 prettyplease = "0.1.25"
 progenitor = { git = "https://github.com/oxidecomputer/progenitor", rev = "3d96016ae8d422e90513b2d34fb5b63eeab30b01" }
 serde_json = "1.0"
-syn = "1.0"
\ No newline at end of file
+syn = "2.0"
\ No newline at end of file