diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 83ae3895..bee51d1d 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -11,6 +11,7 @@ jobs:
       matrix:
         ruby-version:
           - head
+          - '3.4'
           - '3.3'
           - '3.2'
           - '3.1'
@@ -19,7 +20,7 @@ jobs:
           - '2.6'
           - jruby-9.3
           - jruby-9.4
-        memcached-version: ['1.5.22', '1.6.23']
+        memcached-version: ['1.5.22', '1.6.34']
 
     steps:
     - uses: actions/checkout@v4