diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 84833809..a7284db4 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -23,11 +23,16 @@ jobs:
         language: [ cpp ]
 
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@fa2e9d605c4eeb9fcad4c99c224cee0c6c7f3594 # v2.16.0
+        with:
+          egress-policy: audit
+
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v3
+        uses: github/codeql-action/init@5c8a8a642e79153f5d047b10ec1cba1d1cc65699 # v3.35.1
         with:
           languages: ${{ matrix.language }}
           queries: +security-and-quality
@@ -38,6 +43,6 @@ jobs:
           cmake --build build
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v3
+        uses: github/codeql-action/analyze@5c8a8a642e79153f5d047b10ec1cba1d1cc65699 # v3.35.1
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/esp_upload_component.yml b/.github/workflows/esp_upload_component.yml
index 00b7a662..8627550d 100644
--- a/.github/workflows/esp_upload_component.yml
+++ b/.github/workflows/esp_upload_component.yml
@@ -9,9 +9,14 @@ jobs:
   upload_components:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@main
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@fa2e9d605c4eeb9fcad4c99c224cee0c6c7f3594 # v2.16.0
+        with:
+          egress-policy: audit
+
+      - uses: actions/checkout@0c366fd6a839edf440554fa01a7085ccba70ac98 # main
       - name: Upload component to component service
-        uses: espressif/upload-components-ci-action@v1
+        uses: espressif/upload-components-ci-action@b78a19fa5424714997596d3ecffa634aef8ae20b # v1.0.5
         with:
           name: "libsmb2"
           namespace: "sahlberg"