diff --git a/.github/workflows/gem-install.yml b/.github/workflows/gem-install.yml
index ea8fbc65..cee7a14d 100644
--- a/.github/workflows/gem-install.yml
+++ b/.github/workflows/gem-install.yml
@@ -325,9 +325,10 @@ jobs:
       fail-fast: false
       matrix:
         ruby: ["3.0", "3.1", "3.2", "3.3-rc"]
+        flavor: ["alpine3.18", "alpine3.19"]
     runs-on: ubuntu-latest
     container:
-      image: ruby:${{matrix.ruby}}-alpine3.18
+      image: ruby:${{matrix.ruby}}-${{matrix.flavor}}
     steps:
       - uses: actions/checkout@v4
       - uses: actions/download-artifact@v4