diff --git a/Dockerfile b/Dockerfile
index 2285f70e3546f2dde43055b4f095225761950e14..9c419b4442d706b433d6859e3b33e65ae9f56cd5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,7 +24,7 @@ FROM registry.conarx.tech/containers/alpine/3.21 as mastodon-builder
 LABEL maintainer="Nigel Kukard <nkukard@lbsd.net>"
 ARG VERSION_INFO=
 
-ARG MASTODON_VER=4.3.2
+ARG MASTODON_VER=4.3.3
 
 COPY --from=registry.conarx.tech/containers/nodejs/3.21:22.12.0 /opt/nodejs-22.12.0 /opt/nodejs-22.12.0
 COPY --from=registry.conarx.tech/containers/ruby/3.21:3.3.6 /opt/ruby-3.3.6 /opt/ruby-3.3.6