diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6f335bc0..3a405a39 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,11 +19,10 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - "2.6"
-          - "2.7"
           - "3.0"
           - "3.1"
           - "3.2"
+          - "3.3"
           - "jruby-9.3"
           - "jruby-9.4"
           - "truffleruby"
diff --git a/docker-compose.yml b/docker-compose.yml
index ea9d5865..11f93ba2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -22,22 +22,8 @@ services:
     volumes:
       - ./test/fixtures/ldif:/ldif:ro
 
-  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
+  ci-3.0:
+    image: ruby:3.0
     entrypoint: /code/ci-run.sh
     environment:
       INTEGRATION: openldap
@@ -50,8 +36,8 @@ services:
       - .:/code
     working_dir: /code
 
-  ci-3.0:
-    image: ruby:3.0
+  ci-3.1:
+    image: ruby:3.1
     entrypoint: /code/ci-run.sh
     environment:
       INTEGRATION: openldap
@@ -64,8 +50,8 @@ services:
       - .:/code
     working_dir: /code
 
-  ci-3.1:
-    image: ruby:3.1
+  ci-3.2:
+    image: ruby:3.2
     entrypoint: /code/ci-run.sh
     environment:
       INTEGRATION: openldap
@@ -78,8 +64,8 @@ services:
       - .:/code
     working_dir: /code
 
-  ci-3.2:
-    image: ruby:3.2
+  ci-3.3:
+    image: ruby:3.3
     entrypoint: /code/ci-run.sh
     environment:
       INTEGRATION: openldap