diff --git a/solvers/rust/Cargo.lock b/solvers/rust/Cargo.lock
index 1f75760..5f8c2f4 100644
--- a/solvers/rust/Cargo.lock
+++ b/solvers/rust/Cargo.lock
@@ -126,9 +126,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "3.0.4"
+version = "3.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6275cddf4610d1775e6d1fe9469b2e77d0f39fd98fb7450901b821e0c53649f"
+checksum = "12df2e0110f65b775f769bb17ef989067a1d931b2eb822bd4346631eeada89f9"
 dependencies = [
  "proc-macro2",
  "quote",