diff --git a/build/almalinux-8/Dockerfile b/build/almalinux-8/Dockerfile
index a2eaf26..418568f 100644
--- a/build/almalinux-8/Dockerfile
+++ b/build/almalinux-8/Dockerfile
@@ -1,6 +1,6 @@
 # Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 
-FROM almalinux:8
+FROM almalinux:9
 
 # Java requires proper locale for unicode. Set container=docker to allow systemd in container mode.
 ENV LANG=C.UTF-8 container=docker
diff --git a/build/almalinux-8/Dockerfile.test.tmpl b/build/almalinux-8/Dockerfile.test.tmpl
index ba82922..89fd8d3 100644
--- a/build/almalinux-8/Dockerfile.test.tmpl
+++ b/build/almalinux-8/Dockerfile.test.tmpl
@@ -1,6 +1,6 @@
 # Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 
-FROM almalinux:8
+FROM almalinux:9
 
 # Java requires proper locale for unicode. Set container=docker to allow systemd in container mode.
 ENV LANG=C.UTF-8 container=docker