diff --git a/Dockerfile b/Dockerfile
index 6a234af..0926e95 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,5 @@
-FROM mattermost/mattermost-enterprise-edition:release-11 AS original
+ARG MATTERMOST_IMAGE_TAG=release-11
+FROM mattermost/mattermost-enterprise-edition:${MATTERMOST_IMAGE_TAG} AS original
 
 FROM alpine:latest AS patcher
 RUN apk add --no-cache bash xxd grep gawk util-linux file
@@ -8,5 +9,5 @@ COPY --from=original /mattermost/bin/mattermost /mattermost
 COPY patch.sh /tmp/patch.sh
 RUN chmod +x /tmp/patch.sh && /tmp/patch.sh --quiet /mattermost
 
-FROM mattermost/mattermost-enterprise-edition:release-11
+FROM mattermost/mattermost-enterprise-edition:${MATTERMOST_IMAGE_TAG}
 COPY --from=patcher --chown=2000:2000 /mattermost /mattermost/bin/mattermost
\ No newline at end of file