diff --git a/.github/workflows/cross.yml b/.github/workflows/cross.yml
index 21bc49da6c8..2efe3b68026 100644
--- a/.github/workflows/cross.yml
+++ b/.github/workflows/cross.yml
@@ -95,8 +95,11 @@ jobs:
         with:
           toolchain: stable
           target: x86_64-apple-ios
-      - name: Build for `x86_64-apple-ios`
+      - name: Debug build for `x86_64-apple-ios`
         run: cargo build -p aws-lc-rs --target x86_64-apple-ios --features bindgen
+      - name: Release build for `x86_64-apple-ios`
+        run: cargo build -p aws-lc-rs --release --target x86_64-apple-ios --features bindgen
+
 
   aws-lc-rs-windows-mingw:
     if: github.repository_owner == 'aws'
@@ -112,5 +115,7 @@ jobs:
         with:
           toolchain: stable
           target: x86_64-pc-windows-gnu
-      - name: Test on `x86_64-pc-windows-gnu`
+      - name: Debug Test on `x86_64-pc-windows-gnu`
         run: cargo test -p aws-lc-rs --target x86_64-pc-windows-gnu --features bindgen
+      - name: Release test on `x86_64-pc-windows-gnu`
+        run: cargo test -p aws-lc-rs --release --target x86_64-pc-windows-gnu --features bindgen
diff --git a/scripts/ci/ios-simulator-runner.sh b/scripts/ci/ios-simulator-runner.sh
index 8a9718749fb..1ce597f8e55 100755
--- a/scripts/ci/ios-simulator-runner.sh
+++ b/scripts/ci/ios-simulator-runner.sh
@@ -79,4 +79,7 @@ fi
 
 export DYLD_ROOT_PATH
 cd "${REPO_ROOT}"/aws-lc-rs
+
 cargo test --features bindgen,unstable --target aarch64-apple-ios-sim
+
+cargo test --release --features bindgen,unstable --target aarch64-apple-ios-sim