diff --git a/Cargo.lock b/Cargo.lock
index 7fc2fde68..33e958c10 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -210,7 +210,7 @@ checksum = "5fd55a5ba1179988837d24ab4c7cc8ed6efdeff578ede0416b4225a5fca35bd0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -232,7 +232,7 @@ checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -243,7 +243,7 @@ checksum = "bc00ceb34980c03614e35a3a4e218276a0a824e911d07651cd0d858a51e8c0f0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -366,7 +366,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -470,7 +470,7 @@ dependencies = [
  "regex",
  "rustc-hash",
  "shlex",
- "syn 2.0.32",
+ "syn 2.0.37",
  "which",
 ]
 
@@ -732,7 +732,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -1157,7 +1157,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -1179,7 +1179,7 @@ checksum = "836a9bbc7ad63342d6d6e7b815ccab164bc77a2d95d84bc3117a8c0d5c98e2d5"
 dependencies = [
  "darling_core 0.20.3",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -1312,7 +1312,7 @@ checksum = "487585f4d0c6655fe74905e2504d8ad6908e4db67f744eb140876906c2f3175d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -1365,7 +1365,7 @@ checksum = "eecf8589574ce9b895052fa12d69af7a233f99e6107f5cb8dd1044f2a17bfdcb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -1385,7 +1385,7 @@ checksum = "ccb14d927583dd5c2eac0f2cf264fc4762aefe1ae14c47a8a20fc1939d3a5fc0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -1405,7 +1405,7 @@ checksum = "5e9a1f9f7d83e59740248a6e14ecf93929ade55027844dfcea78beafccc15745"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -1426,7 +1426,7 @@ dependencies = [
  "darling 0.20.3",
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -1681,7 +1681,7 @@ checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -1981,7 +1981,7 @@ checksum = "9d8acb5ee668d55f0f2d19a320a3f9ef67a6999ad483e11135abcc2464ed18b6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -3086,7 +3086,7 @@ version = "0.1.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -3749,7 +3749,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -4010,7 +4010,7 @@ checksum = "4359fd9c9171ec6e8c62926d6faaf553a8dc3f64e1507e76da7911b4f6a04405"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -4093,7 +4093,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c64d9ba0963cdcea2e1b2230fbae2bab30eb25a174be395c41e764bfb65dd62"
 dependencies = [
  "proc-macro2",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -4681,7 +4681,7 @@ checksum = "4eca7ac642d82aa35b60049a6eccb4be6be75e599bd2e9adb5f875a737654af2"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -4743,7 +4743,7 @@ dependencies = [
  "darling 0.20.3",
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -4969,9 +4969,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.32"
+version = "2.0.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "239814284fd6f1a4ffe4ca893952cdd93c224b6a1571c9a9eadd670295c0c9e2"
+checksum = "7303ef2c05cd654186cb250d29049a24840ca25d2747c25c0381c8d9e2f582e8"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -5022,7 +5022,7 @@ dependencies = [
  "kanidmd_core",
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -5042,7 +5042,7 @@ checksum = "6bb623b56e39ab7dcd4b1b98bb6c8f8d907ed255b18de254088016b27a8ee19b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -5156,7 +5156,7 @@ checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -5319,7 +5319,7 @@ checksum = "5f4f31f56159e98206da9efd823404b79b6ef3143b4a7ab76e67b1751b25a4ab"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -5603,7 +5603,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
  "wasm-bindgen-shared",
 ]
 
@@ -5637,7 +5637,7 @@ checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -6178,7 +6178,7 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.32",
+ "syn 2.0.37",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index fbc670719..5e01deee3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -173,7 +173,7 @@ sketching = { path = "./libs/sketching" }
 smartstring = "^1.0.1"
 smolset = "^1.3.1"
 sshkeys = "^0.3.1"
-syn = { version = "2.0.32", features = ["full"] }
+syn = { version = "2.0.37", features = ["full"] }
 testkit-macros = { path = "./server/testkit-macros" }
 time = { version = "^0.3.21", features = ["formatting", "local-offset"] }