diff --git a/.dockerignore b/.dockerignore
index 8248486..91346c1 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,2 +1,5 @@
+# SPDX-FileCopyrightText: 2026 SAP SE or an SAP affiliate company and Greenhouse contributors
+# SPDX-License-Identifier: Apache-2.0
+
 # local testing files that may contain secrets
 *.tmp.json
diff --git a/.github/workflows/docker-build.yaml b/.github/workflows/docker-build.yaml
index 7bee87b..88a624a 100644
--- a/.github/workflows/docker-build.yaml
+++ b/.github/workflows/docker-build.yaml
@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
       - name: Install cosign
         if: github.event_name != 'pull_request'
@@ -99,7 +99,7 @@ jobs:
     runs-on: [ default ]
     steps:
       - name: checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
       - name: Set sha
         id: vars
         run: echo "sha_short=sha-$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index adfdade..c43ea67 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -13,7 +13,7 @@ jobs:
   lint:
     runs-on: [ default ]
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
 
@@ -28,7 +28,7 @@ jobs:
   build:
     runs-on: [ default ]
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
 
diff --git a/pkg/resource/version.go b/pkg/resource/version.go
index d82489e..afe318c 100644
--- a/pkg/resource/version.go
+++ b/pkg/resource/version.go
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2026 SAP SE or an SAP affiliate company and Greenhouse contributors
+// SPDX-License-Identifier: Apache-2.0
+
 package resource
 
 import (