diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4f0340c9..7490d8c9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -20,10 +20,10 @@ jobs:
       matrix:
         ruby:
           - "2.5"
-          #- "2.6"
-          #- "2.7"
-          #- "jruby-9.2"
+          - "2.6"
+          - "2.7"
+          - "jruby-9.2"
     steps:
     - uses: actions/checkout@v2
     - name: Run tests with Ruby ${{ matrix.ruby }}
-      run: docker-compose run ci-ruby-${{ matrix.ruby }}
+      run: docker-compose run ci-${{ matrix.ruby }}
diff --git a/docker-compose.yml b/docker-compose.yml
index ebbbc36b..f8cce189 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -24,7 +24,7 @@ services:
     volumes:
       - ./test/fixtures/ldif:/ldif:ro
 
-  ci-ruby-2.5:
+  ci-2.5:
     image: ruby:2.5
     entrypoint: /code/ci-run.sh
     environment:
@@ -37,3 +37,45 @@ services:
     volumes:
       - .:/code
     working_dir: /code
+
+  ci-2.6:
+    image: ruby:2.7
+    entrypoint: /code/ci-run.sh
+    environment:
+      INTEGRATION: openldap
+      INTEGRATION_HOST: ldap.example.org
+    depends_on:
+      - openldap
+    networks:
+      integration_test_network:
+    volumes:
+      - .:/code
+    working_dir: /code
+
+  ci-2.7:
+    image: ruby:2.7
+    entrypoint: /code/ci-run.sh
+    environment:
+      INTEGRATION: openldap
+      INTEGRATION_HOST: ldap.example.org
+    depends_on:
+      - openldap
+    networks:
+      integration_test_network:
+    volumes:
+      - .:/code
+    working_dir: /code
+
+  ci-jruby-9.2:
+    image: jruby:9.2
+    entrypoint: /code/ci-run.sh
+    environment:
+      INTEGRATION: openldap
+      INTEGRATION_HOST: ldap.example.org
+    depends_on:
+      - openldap
+    networks:
+      integration_test_network:
+    volumes:
+      - .:/code
+    working_dir: /code