diff --git a/.github/actions/ci/action.yml b/.github/actions/ci/action.yml
index 2ef3f34b..f9d8ddf3 100644
--- a/.github/actions/ci/action.yml
+++ b/.github/actions/ci/action.yml
@@ -13,6 +13,9 @@ inputs:
   run-contract-tests:
     description: 'Should the contract tests be run?'
     required: true
+  token:
+    description: 'GH token used to download SDK test harness.'
+    required: true
 
 runs:
   using: composite
@@ -83,9 +86,9 @@ runs:
       shell: bash
       run: make start-contract-test-service-bg
 
-    - name: Run contract tests
+    - uses: launchdarkly/gh-actions/actions/contract-tests@contract-tests-v1.0.1
       if: ${{ inputs.run-contract-tests == 'true' }}
-      shell: bash
-      # Add a brief sleep here to ensure the test service is ready to receive
-      # requests
-      run: make run-contract-tests
+      with:
+        test_service_port: 8080
+        token: ${{ inputs.token }}
+        extra_params: "-status-timeout 120 -skip-from ./ContractTests/testharness-suppressions.txt"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2a9997ad..b48beb7a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,5 +40,6 @@ jobs:
           xcode-version: ${{ matrix.xcode-version }}
           ios-sim: ${{ matrix.ios-sim }}
           run-contract-tests: ${{ matrix.run-contract-tests }}
+          token: ${{ secrets.GITHUB_TOKEN }}
 
       - uses: ./.github/actions/build-docs
diff --git a/.github/workflows/manual-publish-docs.yml b/.github/workflows/manual-publish-docs.yml
index ee8ebb20..0e680331 100644
--- a/.github/workflows/manual-publish-docs.yml
+++ b/.github/workflows/manual-publish-docs.yml
@@ -19,6 +19,7 @@ jobs:
           xcode-version: 14.3.1
           ios-sim: 'platform=iOS Simulator,name=iPhone 14,OS=16.4'
           run-contract-tests: true
+          token: ${{ secrets.GITHUB_TOKEN }}
 
       - uses: ./.github/actions/build-docs
 
diff --git a/.github/workflows/manual-publish.yml b/.github/workflows/manual-publish.yml
index 4ee5e918..ccdb426e 100644
--- a/.github/workflows/manual-publish.yml
+++ b/.github/workflows/manual-publish.yml
@@ -30,6 +30,7 @@ jobs:
           xcode-version: 14.3.1
           ios-sim: 'platform=iOS Simulator,name=iPhone 14,OS=16.4'
           run-contract-tests: true
+          token: ${{ secrets.GITHUB_TOKEN }}
 
       - uses: ./.github/actions/publish
         with:
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index f390a7b6..4f806f52 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -49,6 +49,7 @@ jobs:
           xcode-version: 14.3.1
           ios-sim: 'platform=iOS Simulator,name=iPhone 14,OS=16.4'
           run-contract-tests: true
+          token: ${{ secrets.GITHUB_TOKEN }}
 
       - uses: ./.github/actions/build-docs
         if: ${{ steps.release.outputs.releases_created == 'true' }}