diff --git a/Cargo.lock b/Cargo.lock
index fbdff23c50c..3b9481baa82 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3088,7 +3088,7 @@ name = "oak_restricted_kernel_sdk_proc_macro"
 version = "0.1.0"
 dependencies = [
  "quote",
- "syn 2.0.48",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -4040,9 +4040,9 @@ dependencies = [
 
 [[package]]
 name = "rustls"
-version = "0.22.2"
+version = "0.22.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e87c9956bd9807afa1f77e0f7594af32566e830e088a5576d27c5b6f30f49d41"
+checksum = "bf4ef73721ac7bcd79b2b315da7779d8fc09718c6b3d2d1b2d94850eb8c18432"
 dependencies = [
  "log",
  "ring",