diff --git a/.github/actions/init-integ-test/action.yml b/.github/actions/init-integ-test/action.yml
index 82566ba8..3703afe1 100644
--- a/.github/actions/init-integ-test/action.yml
+++ b/.github/actions/init-integ-test/action.yml
@@ -19,6 +19,7 @@ runs:
       shell: bash
       run: |
         echo "ALLOWED_GRADLE_WRAPPER_CHECKSUMS=e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855" >> "$GITHUB_ENV"
+        echo "GRADLE_ACTIONS_CACHE_USE_VENDORED=true" >> "$GITHUB_ENV"
 
     # Downloads a 'dist' directory artifact that was uploaded in an earlier 'build-dist' step
     - name: Download dist
diff --git a/.github/workflows/integ-test-legacy-caching.yml b/.github/workflows/integ-test-legacy-caching.yml
new file mode 100644
index 00000000..e321185c
--- /dev/null
+++ b/.github/workflows/integ-test-legacy-caching.yml
@@ -0,0 +1,66 @@
+name: Test legacy caching module
+
+on:
+  workflow_call:
+    inputs:
+      cache-key-prefix:
+        type: string
+        default: '0'
+      runner-os:
+        type: string
+        default: '["ubuntu-latest"]'
+      skip-dist:
+        type: boolean
+        default: false
+
+env:
+  SKIP_DIST: ${{ inputs.skip-dist }}
+  GRADLE_BUILD_ACTION_CACHE_KEY_PREFIX: legacy-caching-${{ inputs.cache-key-prefix }}
+  GRADLE_ACTIONS_CACHE_USE_VENDORED: false
+
+permissions:
+  contents: read
+
+jobs:
+  legacy-caching-seed-build:
+    strategy:
+      max-parallel: 1
+      fail-fast: false
+      matrix:
+        os: ${{fromJSON(inputs.runner-os)}}
+    runs-on: ${{ matrix.os }}
+    steps:
+    - name: Checkout sources
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+    - name: Initialize integ-test
+      uses: ./.github/actions/init-integ-test
+
+    - name: Setup Gradle
+      uses: ./setup-gradle
+      with:
+        cache-read-only: false # For testing, allow writing cache entries on non-default branches
+    - name: Build kotlin-dsl project
+      working-directory: .github/workflow-samples/kotlin-dsl
+      run: ./gradlew build
+
+  legacy-caching-verify-build:
+    needs: legacy-caching-seed-build
+    strategy:
+      max-parallel: 1
+      fail-fast: false
+      matrix:
+        os: ${{fromJSON(inputs.runner-os)}}
+    runs-on: ${{ matrix.os }}
+    steps:
+    - name: Checkout sources
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+    - name: Initialize integ-test
+      uses: ./.github/actions/init-integ-test
+
+    - name: Setup Gradle
+      uses: ./setup-gradle
+      with:
+        cache-read-only: true
+    - name: Build kotlin-dsl project
+      working-directory: .github/workflow-samples/kotlin-dsl
+      run: ./gradlew build --offline
diff --git a/.github/workflows/suite-integ-test-caching.yml b/.github/workflows/suite-integ-test-caching.yml
index e1eca685..3b4d12e0 100644
--- a/.github/workflows/suite-integ-test-caching.yml
+++ b/.github/workflows/suite-integ-test-caching.yml
@@ -45,3 +45,8 @@ jobs:
     uses: ./.github/workflows/integ-test-restore-java-toolchain.yml
     with:
       skip-dist: ${{ inputs.skip-dist }}
+
+  legacy-caching:
+    uses: ./.github/workflows/integ-test-legacy-caching.yml
+    with:
+      skip-dist: ${{ inputs.skip-dist }}
diff --git a/sources/src/cache-service-loader.ts b/sources/src/cache-service-loader.ts
index 94b1898d..9486cc66 100644
--- a/sources/src/cache-service-loader.ts
+++ b/sources/src/cache-service-loader.ts
@@ -59,7 +59,7 @@ export async function getCacheService(cacheConfig: CacheConfig): Promise<CacheSe
         return new NoOpCacheService()
     }
 
-    if (cacheConfig.isCacheLicenseAccepted()) {
+    if (useVendoredCacheModule() || cacheConfig.isCacheLicenseAccepted()) {
         const vendoredService = await loadVendoredCacheService()
         return new LoggingCacheService(vendoredService, VENDORED_CACHE_LOG_MESSAGE, VENDORED_CACHE_REPORT_NOTICE)
     }
@@ -68,6 +68,10 @@ export async function getCacheService(cacheConfig: CacheConfig): Promise<CacheSe
     return new LoggingCacheService(legacyService, LEGACY_CACHE_LOG_MESSAGE, LEGACY_CACHE_REPORT_NOTICE)
 }
 
+function useVendoredCacheModule(): boolean {
+    return process.env['GRADLE_ACTIONS_CACHE_USE_VENDORED'] === 'true'
+}
+
 export async function loadVendoredCacheService(): Promise<CacheService> {
     const vendoredLibraryPath = findLibraryPath('sources/vendor/gradle-actions-caching/index.js')
     const moduleUrl = pathToFileURL(vendoredLibraryPath).href