diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e67b8b9..68a168d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -56,7 +56,9 @@ jobs:
       run: cargo doc --workspace --all-features --no-deps
 
     - name: Install cargo-audit
-      run: cargo install cargo-audit
+      uses: taiki-e/install-action@v2
+      with:
+        tool: cargo-audit
 
     - name: Run Security Audit
       run: cargo audit
diff --git a/ci-local.sh b/ci-local.sh
index 39a7c3e..8560cd8 100755
--- a/ci-local.sh
+++ b/ci-local.sh
@@ -21,6 +21,12 @@ if ! command -v cargo-audit &> /dev/null; then
     cargo install cargo-audit
 fi
 
+# Ensure cargo-nextest is installed
+if ! command -v cargo-nextest &> /dev/null; then
+    echo "Installing cargo-nextest..."
+    cargo install cargo-nextest --locked
+fi
+
 # Run all CI steps locally
 echo "Checking Formatting..."
 cargo fmt --all -- --check || (echo "Formatting issues found, please run 'cargo fmt' to auto-fix." && exit 1)