diff --git a/Cargo.lock b/Cargo.lock
index f2335a73b..d945f2ec1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4270,9 +4270,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.107"
+version = "1.0.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f4064b5b16e03ae50984a5a8ed5d4f8803e6bc1fd170a3cda91a1be4b18e3f5"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 3ef5cfe0f..b720f72a9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -125,7 +125,7 @@ sketching = { path = "./sketching" }
 smartstring = "^1.0.1"
 smolset = "^1.3.1"
 sshkeys = "^0.3.1"
-syn = { version = "1.0.107", features = ["full"] }
+syn = { version = "1.0.109", features = ["full"] }
 testkit-macros = { path = "./kanidmd/testkit-macros" }
 tide = "^0.16.0"
 # Including brotli *very* slow, so don't do that. Including the "default" feature pulls a mime-type list from the internet on build, which isn't used.