diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b85fcda..18a7f84 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,9 +21,9 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
         with:
           go-version: "1.25"
 
@@ -38,7 +38,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       -
         name: List targets
         id: generate
@@ -57,13 +57,13 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
       -
         name: Validate
-        uses: docker/bake-action@v6
+        uses: docker/bake-action@82490499d2e5613fcead7e128237ef0b0ea210f7 # v7.0.0
         with:
           source: .
           targets: ${{ matrix.target }}
@@ -74,7 +74,7 @@ jobs:
       - lint
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Update Docker to 28.0.1
         run: |
@@ -84,7 +84,7 @@ jobs:
           curl -fsSL https://test.docker.com -o get-docker.sh
           sudo sh ./get-docker.sh --version 28.0.1
 
-      - uses: docker/setup-buildx-action@v3
+      - uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
         with:
           use: true
 
@@ -95,9 +95,9 @@ jobs:
   windows-test:
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
         with:
           go-version: "1.25"
 
@@ -114,23 +114,23 @@ jobs:
   integration-test:
     runs-on: ubuntu-latest
     steps:
-      - name: actions/checkout@v4 (docker/docker-language-server)
-        uses: actions/checkout@v4
+      - name: actions/checkout@v6.0.2 (docker/docker-language-server)
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           repository: docker/docker-language-server
           path: docker-language-server
 
-      - name: actions/checkout@v4 (docker/vscode-extension)
-        uses: actions/checkout@v4
+      - name: actions/checkout@v6.0.2 (docker/vscode-extension)
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           repository: docker/vscode-extension
           path: vscode-extension
 
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
         with:
           go-version: "1.25"
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
         with:
           node-version: "22.x"
 
@@ -173,9 +173,9 @@ jobs:
             ext: ""
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
         with:
           go-version: "1.25"
 
@@ -198,9 +198,9 @@ jobs:
       - windows-test
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
         with:
           go-version: "1.25"
 
@@ -248,11 +248,11 @@ jobs:
             ext: ""
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-tags: true
 
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
         with:
           go-version: "1.25"
 
@@ -271,7 +271,7 @@ jobs:
         run: |
           mv docker-language-server-${{ matrix.os }}-${{ matrix.arch }}${{ matrix.ext }} docker-language-server-${{ matrix.os }}-${{ matrix.arch }}-v${{ steps.set-variables.outputs.VERSION }}${{ matrix.ext }}
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
         with:
           name: docker-language-server-${{ matrix.os }}-${{ matrix.arch }}-v${{ steps.set-variables.outputs.VERSION }}${{ matrix.ext }}
           path: docker-language-server-${{ matrix.os }}-${{ matrix.arch }}-v${{ steps.set-variables.outputs.VERSION }}${{ matrix.ext }}
diff --git a/.github/workflows/prepare-release.yml b/.github/workflows/prepare-release.yml
index 9abee3c..911b7f9 100644
--- a/.github/workflows/prepare-release.yml
+++ b/.github/workflows/prepare-release.yml
@@ -22,9 +22,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
         with:
           go-version: "1.24"