diff --git a/Cargo.lock b/Cargo.lock
index 26510b17..c310992e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1158,9 +1158,9 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "1.1.1"
+version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ced92e76e966ca2fd84c8f7aa01a4aea65b0eb6648d72f7c8f3e2764a67fece"
+checksum = "bfe33edd8e85a12a67454e37f8c75e730830d83e313556ab9ebf9ee7fbeb3bfb"
 dependencies = [
  "crc32fast",
  "miniz_oxide",
@@ -2134,6 +2134,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3be647b768db090acb35d5ec5db2b0e1f1de11133ca123b9eacf5137868f892a"
 dependencies = [
  "adler2",
+ "simd-adler32",
 ]
 
 [[package]]
@@ -2998,6 +2999,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "simd-adler32"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
+
 [[package]]
 name = "slab"
 version = "0.4.9"
diff --git a/enclave_build/Cargo.toml b/enclave_build/Cargo.toml
index fb613727..e0276b65 100644
--- a/enclave_build/Cargo.toml
+++ b/enclave_build/Cargo.toml
@@ -23,4 +23,4 @@ futures = "0.3.28"
 
 aws-nitro-enclaves-image-format = "0.5"
 tar = "0.4.40"
-flate2 = "1.1.1"
+flate2 = "1.1.5"