diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b4d861c8..353c5b8f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -221,11 +221,13 @@ jobs:
           - ubuntu:22.04 # glibc 2.35
           - ubuntu:24.04 # glibc 2.39
           - ubuntu:26.04 # glibc 2.42
+          - ubuntu:rolling
           - debian:9-slim # glibc 2.24
           - debian:10-slim # glibc 2.28
           - debian:11-slim # glibc 2.31
           - debian:12-slim # glibc 2.36
           - debian:13-slim # glibc 2.41
+          - debian:testing
           - fedora:latest # glibc 2.39 (as of fedora 40)
           - almalinux:8 # glibc 2.28
           - almalinux:8-minimal # glibc 2.28