diff --git a/README.adoc b/README.adoc
index d74236b..ee729eb 100644
--- a/README.adoc
+++ b/README.adoc
@@ -36,9 +36,12 @@ Gitea base image (rootless) with https://docs.gitea.com/administration/external-
 
 [source,shell]
 ----
-docker build --build-arg VERSION=1.21.1 -f ./gitea-external-renderers.Dockerfile -t gitea-external-renderers:1.21.1 .
+docker build --build-arg VERSION=1.21.4 -f ./gitea-external-renderers.Dockerfile -t gitea-external-renderers:1.21.4 .
 ----
 
 Existing pre-built images :
 
-* git.syyrell.com/syrell/gitea-external-renderers:1.21.1
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+* git.syyrell.com/syrell/gitea-external-renderers:1.21.1
+* git.syyrell.com/syrell/gitea-external-renderers:1.21.2
+* git.syyrell.com/syrell/gitea-external-renderers:1.21.3
+* git.syyrell.com/syrell/gitea-external-renderers:1.21.4
\ No newline at end of file