diff --git a/Cargo.lock b/Cargo.lock
index e7ca174066..d17f983b50 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -915,7 +915,7 @@ checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -932,7 +932,7 @@ checksum = "a564d521dd56509c4c47480d00b80ee55f7e385ae48db5744c67ad50c92d2ebf"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -1409,7 +1409,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -1935,7 +1935,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -1957,7 +1957,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core 0.20.1",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -2189,7 +2189,7 @@ checksum = "487585f4d0c6655fe74905e2504d8ad6908e4db67f744eb140876906c2f3175d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -2558,7 +2558,7 @@ checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -3098,7 +3098,7 @@ dependencies = [
  "rand 0.8.5",
  "serde",
  "snafu",
- "syn 2.0.26",
+ "syn 2.0.28",
  "tokio",
  "tracing",
 ]
@@ -5190,7 +5190,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -5521,7 +5521,7 @@ dependencies = [
  "pest_meta",
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -5552,7 +5552,7 @@ checksum = "ec2e072ecce94ec471b13398d5402c188e76ac03cf74dd1a975161b23a3f6d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -6537,7 +6537,7 @@ checksum = "389894603bd18c46fa56231694f8d827779c0951a667087194cf9de94ed24682"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -6608,7 +6608,7 @@ dependencies = [
  "darling 0.20.1",
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -7124,9 +7124,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.26"
+version = "2.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45c3457aacde3c65315de5031ec191ce46604304d2446e803d71ade03308d970"
+checksum = "04361975b3f5e348b2189d8dc55bc942f278b2d482a6a0365de5bdd62d351567"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -7255,7 +7255,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -7504,7 +7504,7 @@ checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -7723,7 +7723,7 @@ checksum = "0f57e3ca2a01450b1a921183a9c9cbfda207fd822cef4ccb00a65402cbba7a74"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -8167,7 +8167,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
  "wasm-bindgen-shared",
 ]
 
@@ -8201,7 +8201,7 @@ checksum = "4783ce29f09b9d93134d41297aded3a712b7b979e9c6f28c32cb88c973a94869"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -8837,5 +8837,5 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.26",
+ "syn 2.0.28",
 ]
diff --git a/testing-macros/Cargo.toml b/testing-macros/Cargo.toml
index 1b29a04124..1425a70bf5 100644
--- a/testing-macros/Cargo.toml
+++ b/testing-macros/Cargo.toml
@@ -88,7 +88,7 @@ tracing = "0.1.37"
 serde = { version = "1.0.171", features = ["derive"] }
 # proc macro stuff
 quote = "1.0.31"
-syn = { version = "2.0.26", features = ["full", "extra-traits"] }
+syn = { version = "2.0.28", features = ["full", "extra-traits"] }
 proc-macro2 = "1.0.66"
 derive_builder = "0.12.0"