diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8de21014..9d1eac82 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -123,7 +123,7 @@ jobs:
           docker pull panvafs/oidc-certification-rp-ci
           docker run -d -p 8080:8080 panvafs/oidc-certification-rp-ci
           while ! curl -sk https://127.0.0.1:8080 >/dev/null; do sleep 2; done
-      - run: git clone --single-branch --branch v4.x https://github.com/panva/openid-client-conformance-tests.git .
+      - run: git clone --depth 1 --single-branch --branch v4.x https://github.com/panva/openid-client-conformance-tests.git .
       - uses: actions/setup-node@v1
         with:
           node-version: 12
@@ -138,18 +138,17 @@ jobs:
   fapi-conformance:
     runs-on: ubuntu-latest
     steps:
-      - run: git clone https://gitlab.com/openid/conformance-suite.git --depth 1
+      - run: git clone --depth 1 --single-branch --branch release-v4.0.10 https://gitlab.com/openid/conformance-suite.git
       - env:
           MAVEN_CACHE: ./m2
         run: |
-          git checkout release-v4.0.10
           sed -i -e 's/localhost/localhost.emobix.co.uk/g' src/main/resources/application.properties
           sed -i -e 's/-B/-B -DskipTests=true/g' builder-compose.yml
           docker-compose -f builder-compose.yml run builder
           docker-compose -f docker-compose-dev.yml up -d
           while ! curl -skfail https://localhost.emobix.co.uk:8443/api/runner/available >/dev/null; do sleep 2; done
         working-directory: ./conformance-suite
-      - run: git clone --single-branch --branch v4.x https://github.com/panva/openid-client-fapi-certification.git runner
+      - run: git clone --depth 1 --single-branch --branch v4.x https://github.com/panva/openid-client-fapi-certification.git runner
       - uses: actions/setup-node@v1
         with:
           node-version: 12