diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 79ce2f5..89f9eaa 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -27,7 +27,7 @@ jobs:
           sudo docker builder prune -a
 
       - name: checkout
-        uses: actions/checkout@v7.0.1
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Prepare env
         id: envvars
@@ -42,17 +42,17 @@ jobs:
 
       - name: Metadata
         id: meta
-        uses: docker/metadata-action@v6.2.0
+        uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302 # v6.2.0
         with:
           images: ghcr.io/${{ vars.ORG_REPO }}/${{ github.event.repository.name }}
 
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v4.4.1
+        uses: docker/setup-buildx-action@f87e5991a6d7451dcb8d9637bfbc97413f497069 # v4.4.1
 
       - name: Build and push by digest
         if: github.event_name == 'pull_request'
-        uses: docker/build-push-action@v7.4.0
+        uses: docker/build-push-action@c3c9e263c25d99ce0380d002d59b67737d91b0dc # v7.4.0
         with:
           build-args: |
             AMBERTOOLS_DL=${{ secrets.AMBERTOOLS_DL }}
@@ -75,7 +75,7 @@ jobs:
       - name: Authenticate with GHCR
         if: github.event_name != 'pull_request'
         id: auth
-        uses: docker/login-action@v4.6.0
+        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
@@ -84,7 +84,7 @@ jobs:
       - name: Build and push by digest
         if: github.event_name != 'pull_request'
         id: build
-        uses: docker/build-push-action@v7.4.0
+        uses: docker/build-push-action@c3c9e263c25d99ce0380d002d59b67737d91b0dc # v7.4.0
         with:
           build-args: |
             AMBERTOOLS_DL=${{ secrets.AMBERTOOLS_DL }}
@@ -113,7 +113,7 @@ jobs:
 
       - name: Upload digest
         if: github.event_name != 'pull_request'
-        uses: actions/upload-artifact@v7.0.1
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: digests-${{ env.PLATFORM_PAIR }}
           path: ${{ runner.temp }}/digests/*
@@ -128,7 +128,7 @@ jobs:
       - build
     steps:
       - name: Download digests
-        uses: actions/download-artifact@v8.0.1
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         with:
           path: ${{ runner.temp }}/digests
           pattern: digests-*
@@ -136,7 +136,7 @@ jobs:
 
       - name: Authenticate with GHCR
         id: auth
-        uses: docker/login-action@v4.6.0
+        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
@@ -144,11 +144,11 @@ jobs:
 
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v4.4.1
+        uses: docker/setup-buildx-action@f87e5991a6d7451dcb8d9637bfbc97413f497069 # v4.4.1
 
       - name: Metadata
         id: meta
-        uses: docker/metadata-action@v6.2.0
+        uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302 # v6.2.0
         with:
           images: ghcr.io/${{ vars.ORG_REPO }}/${{ github.event.repository.name }}
           tags: |
@@ -180,7 +180,7 @@ jobs:
           docker buildx imagetools inspect ghcr.io/${{ vars.ORG_REPO }}/${{ github.event.repository.name }}:latest
 
       - name: Post version update to dash
-        uses: peter-evans/repository-dispatch@v4.0.1
+        uses: peter-evans/repository-dispatch@28959ce8df70de7be546dd1250a005dd32156697 # v4.0.1
         with:
           token: ${{ secrets.BUILD_TOKEN }}
           repository: ccpbiosim/ccpbiosim.github.io