diff --git a/README.adoc b/README.adoc
index 2f2c7a4..e33c9f2 100644
--- a/README.adoc
+++ b/README.adoc
@@ -48,7 +48,7 @@ Gitea base image (rootless) with https://docs.gitea.com/administration/external-
 
 [source,shell]
 ----
-docker build --build-arg VERSION=1.21.8 -f ./gitea-external-renderers.Dockerfile -t gitea-external-renderers:1.21.8 .
+docker build --build-arg VERSION=1.21.9 -f ./gitea-external-renderers.Dockerfile -t gitea-external-renderers:1.21.9 .
 ----
 
 Existing pre-built images :
@@ -60,4 +60,5 @@ Existing pre-built images :
 * git.syyrell.com/syrell/gitea-external-renderers:1.21.5
 * git.syyrell.com/syrell/gitea-external-renderers:1.21.6
 * git.syyrell.com/syrell/gitea-external-renderers:1.21.7
-* git.syyrell.com/syrell/gitea-external-renderers:1.21.8
\ No newline at end of file
+* git.syyrell.com/syrell/gitea-external-renderers:1.21.8
+* git.syyrell.com/syrell/gitea-external-renderers:1.21.9
\ No newline at end of file