diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 3a6a0fb8..62fd01c0 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -19,9 +19,9 @@ jobs:
       labels: ubuntu-latest-16-cores
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Setup Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: 1.25.x
           cache-dependency-path: |
@@ -45,7 +45,7 @@ jobs:
             exit 1
           fi
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v6
+        uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2 # v6.0.0
         with:
           file: ./coverage.txt
       - name: Build container image
diff --git a/.github/workflows/e2e.yaml b/.github/workflows/e2e.yaml
index 2415994e..2571d709 100644
--- a/.github/workflows/e2e.yaml
+++ b/.github/workflows/e2e.yaml
@@ -38,16 +38,16 @@ jobs:
           - knative
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Setup Kubernetes
-        uses: helm/kind-action@v1.14.0
+        uses: helm/kind-action@ef37e7f390d99f746eb8b610417061a60e82a6cc # v1.14.0
         if: matrix.provider != 'skipper'
         with:
           version: v0.27.0
           cluster_name: kind
           node_image: kindest/node:v1.35.1@sha256:05d7bcdefbda08b4e038f644c4df690cdac3fba8b06f8289f30e10026720a1ab
       - name: Setup Kubernetes for skipper
-        uses: helm/kind-action@v1.14.0
+        uses: helm/kind-action@ef37e7f390d99f746eb8b610417061a60e82a6cc # v1.14.0
         if: matrix.provider == 'skipper'
         with:
           version: v0.23.0
diff --git a/.github/workflows/helm.yaml b/.github/workflows/helm.yaml
index fbe4d302..497a942a 100644
--- a/.github/workflows/helm.yaml
+++ b/.github/workflows/helm.yaml
@@ -12,9 +12,9 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Publish Helm charts
-        uses: stefanprodan/helm-gh-pages@v1.7.0
+        uses: stefanprodan/helm-gh-pages@0ad2bb377311d61ac04ad9eb6f252fb68e207260 # v1.7.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           charts_url: https://flagger.app
diff --git a/.github/workflows/push-ld.yml b/.github/workflows/push-ld.yml
index 88395ae7..4c791ef4 100644
--- a/.github/workflows/push-ld.yml
+++ b/.github/workflows/push-ld.yml
@@ -16,8 +16,8 @@ jobs:
       id-token: write
       packages: write
     steps:
-      - uses: actions/checkout@v6
-      - uses: sigstore/cosign-installer@v4.1.1
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1
       - name: Prepare
         id: prep
         run: |
@@ -25,19 +25,19 @@ jobs:
           echo "BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
           echo "VERSION=${VERSION}" >> $GITHUB_OUTPUT
       - name: Setup QEMU
-        uses: docker/setup-qemu-action@v4
+        uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4.0.0
       - name: Setup Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v4
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v4
+        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
         with:
           registry: ghcr.io
           username: fluxcdbot
           password: ${{ secrets.GHCR_TOKEN }}
       - name: Generate image meta
         id: meta
-        uses: docker/metadata-action@v6
+        uses: docker/metadata-action@030e881283bb7a6894de51c315a6bfe6a94e05cf # v6.0.0
         with:
           images: |
             ${{ env.IMAGE }}
@@ -45,7 +45,7 @@ jobs:
             type=raw,value=${{ steps.prep.outputs.VERSION }}
       - name: Publish image
         id: build-push
-        uses: docker/build-push-action@v7
+        uses: docker/build-push-action@bcafcacb16a39f128d818304e6c9c0c18556b85f # v7.1.0
         with:
           push: true
           builder: ${{ steps.buildx.outputs.name }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index c632f15d..a943cbaa 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -27,13 +27,13 @@ jobs:
       id-token: write # needed for keyless signing
       packages: write # needed for ghcr access
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Setup Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: 1.25.x
       - uses: fluxcd/flux2/action@main
-      - uses: sigstore/cosign-installer@v4.1.1
+      - uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1
       - name: Prepare
         id: prep
         run: |
@@ -47,19 +47,19 @@ jobs:
           echo "BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
           echo "VERSION=${VERSION}" >> $GITHUB_OUTPUT
       - name: Setup QEMU
-        uses: docker/setup-qemu-action@v4
+        uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4.0.0
       - name: Setup Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v4
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v4
+        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
         with:
           registry: ghcr.io
           username: fluxcdbot
           password: ${{ secrets.GHCR_TOKEN }}
       - name: Generate image meta
         id: meta
-        uses: docker/metadata-action@v6
+        uses: docker/metadata-action@030e881283bb7a6894de51c315a6bfe6a94e05cf # v6.0.0
         with:
           images: |
             ${{ env.IMAGE }}
@@ -67,7 +67,7 @@ jobs:
             type=raw,value=${{ steps.prep.outputs.VERSION }}
       - name: Publish image
         id: build-push
-        uses: docker/build-push-action@v7
+        uses: docker/build-push-action@bcafcacb16a39f128d818304e6c9c0c18556b85f # v7.1.0
         with:
           sbom: true
           provenance: true
@@ -100,7 +100,7 @@ jobs:
           cosign sign --yes ${OCI_URL}
       - name: Publish Helm charts
         if: startsWith(github.ref, 'refs/tags/v')
-        uses: stefanprodan/helm-gh-pages@v1.7.0
+        uses: stefanprodan/helm-gh-pages@0ad2bb377311d61ac04ad9eb6f252fb68e207260 # v1.7.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           charts_url: https://flagger.app
@@ -118,10 +118,10 @@ jobs:
           cosign sign --yes ghcr.io/fluxcd/charts/flagger@$(cat .digest | awk -F "[, ]+" '/Digest/{print $NF}')
           rm flagger-${{ steps.prep.outputs.VERSION }}.tgz
           rm .digest
-      - uses: anchore/sbom-action/download-syft@v0
+      - uses: anchore/sbom-action/download-syft@e22c389904149dbc22b58101806040fa8d37a610 # v0.24.0
       - name: Create release and SBOM
         id: run-goreleaser
-        uses: goreleaser/goreleaser-action@v7
+        uses: goreleaser/goreleaser-action@e24998b8b67b290c2fa8b7c14fcfa7de2c5c9b8c # v7.1.0
         if: startsWith(github.ref, 'refs/tags/v')
         with:
           version: latest
@@ -146,7 +146,7 @@ jobs:
       actions: read # for detecting the Github Actions environment.
       id-token: write # for creating OIDC tokens for signing.
       contents: write # for uploading attestations to GitHub releases.
-    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v2.1.0
+    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@f7dd8c54c2067bafc12ca7a55595d5ee9b75204a # v2.1.0
     with:
       provenance-name: "provenance.intoto.jsonl"
       base64-subjects: "${{ needs.release-flagger.outputs.hashes }}"
diff --git a/.github/workflows/scan.yml b/.github/workflows/scan.yml
index 9ff49205..81a2acfe 100644
--- a/.github/workflows/scan.yml
+++ b/.github/workflows/scan.yml
@@ -17,9 +17,9 @@ jobs:
     permissions:
       security-events: write
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Run FOSSA scan and upload build data
-        uses: fossa-contrib/fossa-action@v3
+        uses: fossa-contrib/fossa-action@3d2ef181b1820d6dcd1972f86a767d18167fa19b # v3.0.1
         with:
           # FOSSA Push-Only API Token
           fossa-api-key: 5ee8bf422db1471e0bcf2bcb289185de
@@ -30,16 +30,16 @@ jobs:
       security-events: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Setup Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: 1.25.x
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4
+        uses: github/codeql-action/init@95e58e9a2cdfd71adc6e0353d5c52f41a045d225 # v4.35.2
         with:
           languages: go
       - name: Autobuild
-        uses: github/codeql-action/autobuild@v4
+        uses: github/codeql-action/autobuild@95e58e9a2cdfd71adc6e0353d5c52f41a045d225 # v4.35.2
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v4
+        uses: github/codeql-action/analyze@95e58e9a2cdfd71adc6e0353d5c52f41a045d225 # v4.35.2