diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0b8a9df..a356ebf 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,9 +12,8 @@ jobs:
         - 3.0
         - 2.7
         - 2.6
-        - 2.5
-        - jruby-9.2.13.0
-        - truffleruby-20.3.0
+        - jruby-9.2.19
+        - truffleruby-21.2.0
         os:
         - ubuntu-latest
         - macos-latest
@@ -38,7 +37,6 @@ jobs:
         - 3.0
         - 2.7
         - 2.6
-        - 2.5
     runs-on: windows-latest
     steps:
     - uses: actions/checkout@v2