diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index ca156cc..6a224ce 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: 18
+  azul_docker_elasticsearch_internal_version: 19
 
 jobs:
   build: