diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index fbb867c..9fada65 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -23,6 +23,11 @@ jobs:
         language: [ 'go' ]
 
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@fa2e9d605c4eeb9fcad4c99c224cee0c6c7f3594 # v2.16.0
+        with:
+          egress-policy: audit
+
       - name: Checkout code
         uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4bdf33e..c12e695 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,11 +9,16 @@ jobs:
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
+    - name: Harden the runner (Audit all outbound calls)
+      uses: step-security/harden-runner@fa2e9d605c4eeb9fcad4c99c224cee0c6c7f3594 # v2.16.0
+      with:
+        egress-policy: audit
+
     - name: Install Go
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@be3c94b385c4f180051c996d336f57a34c397495 # v3.6.1
       with:
         go-version: ${{ matrix.go-version }}
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
     - name: Test
       run: make test
diff --git a/.github/workflows/test_js.yml b/.github/workflows/test_js.yml
index ae9fef3..c1939e0 100644
--- a/.github/workflows/test_js.yml
+++ b/.github/workflows/test_js.yml
@@ -8,8 +8,13 @@ jobs:
         go-version: [1.20.x,1.21.x]
     runs-on: ubuntu-latest
     steps:
+    - name: Harden the runner (Audit all outbound calls)
+      uses: step-security/harden-runner@fa2e9d605c4eeb9fcad4c99c224cee0c6c7f3594 # v2.16.0
+      with:
+        egress-policy: audit
+
     - name: Install Go
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@be3c94b385c4f180051c996d336f57a34c397495 # v3.6.1
       with:
         go-version: ${{ matrix.go-version }}
 
@@ -19,7 +24,7 @@ jobs:
         mv $HOME/go/bin/wasmbrowsertest $HOME/go/bin/go_js_wasm_exec
 
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
     - name: Test
       run: go test -exec="$HOME/go/bin/go_js_wasm_exec" ./...