diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index cb5e2b6..eeb2fdb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,8 +15,8 @@ jobs:
       id-token: write # Required for the attestations step
       attestations: write # Required for the attestations step
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-java@v5
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 # v5.0.0
         with:
           distribution: 'temurin'
           java-version: ${{ env.JAVA_VERSION }}
@@ -28,12 +28,12 @@ jobs:
         run: mvn -B verify --no-transfer-progress
       - name: Attest
         if: startsWith(github.ref, 'refs/tags/')
-        uses: actions/attest-build-provenance@v3
+        uses: actions/attest-build-provenance@96278af6caaf10aea03fd8d33a09a777ca52d62f # v3.2.0
         with:
           subject-path: |
             target/*.jar
             target/*.pom
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
         with:
           name: artifacts
           path: target/*.jar
@@ -45,8 +45,8 @@ jobs:
     needs: [build]
     if: github.repository_owner == 'cryptomator' && (startsWith(github.ref, 'refs/tags/') || contains(github.event.head_commit.message, '[deploy]'))
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-java@v5
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 # v5.0.0
         with:
           distribution: 'temurin'
           java-version: ${{ env.JAVA_VERSION }}
@@ -79,8 +79,8 @@ jobs:
     needs: [build]
     if: github.repository_owner == 'cryptomator' && (startsWith(github.ref, 'refs/tags/') || contains(github.event.head_commit.message, '[deploy]'))
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-java@v5
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 # v5.0.0
         with:
           java-version: ${{ env.JAVA_VERSION }}
           distribution: 'temurin'
@@ -110,7 +110,7 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/')
     steps:
       - name: Create Release
-        uses: softprops/action-gh-release@v2
+        uses: softprops/action-gh-release@6da8fa9354ddfdc4aeace5fc48d7f679b5214090 # v2.4.1
         with:
           prerelease: true
           token: ${{ secrets.CRYPTOBOT_RELEASE_TOKEN }}
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 41077ce..b371783 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -16,19 +16,19 @@ jobs:
     # dependeabot has on push events only read-only access, but codeql requires write access
     if: ${{ !(github.actor == 'dependabot[bot]' && contains(fromJSON('["push"]'), github.event_name)) }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       with:
         fetch-depth: 2
-    - uses: actions/setup-java@v5
+    - uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 # v5.0.0
       with:
         distribution: 'temurin'
         java-version: 25
         cache: 'maven'
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v4
+      uses: github/codeql-action/init@0d579ffd059c29b07949a3cce3983f0780820c98 # v4.32.6
       with:
         languages: java
     - name: Build
       run: mvn -B compile
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v4
+      uses: github/codeql-action/analyze@0d579ffd059c29b07949a3cce3983f0780820c98 # v4.32.6