diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index fd085f4..9fa333f 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -25,7 +25,7 @@ env:
   # upstream image followed by the value of this variable. Increment this value
   # to update the OS packages installed in the image.
   #
-  azul_docker_elasticsearch_internal_version: 27
+  azul_docker_elasticsearch_internal_version: 28
 
 jobs:
   build: