diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c81b8c0dcf..5f80f104ec 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -36,7 +36,7 @@ fedora-meson:
       - "_build/testsuite/reftests/output"
 
 debian-meson:
-  image: registry.gitlab.gnome.org/gnome/gtk/debian-gtk3:v1
+  image: registry.gitlab.gnome.org/gnome/gtk/debian-gtk3:v2
   stage: build
   variables:
     EXTRA_MESON_FLAGS: "-Ddefault_library=both"
diff --git a/.gitlab-ci/debian-gtk3.Dockerfile b/.gitlab-ci/debian-gtk3.Dockerfile
index d8007a731a..469be4f5a2 100644
--- a/.gitlab-ci/debian-gtk3.Dockerfile
+++ b/.gitlab-ci/debian-gtk3.Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:buster
+FROM debian:bullseye
 
 RUN apt-get update -qq && apt-get install --no-install-recommends -qq -y \
     adwaita-icon-theme \