diff --git a/Dockerfile b/Dockerfile
index cde7416..5814813 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,7 +33,7 @@ ENV RAILS_ENV production
 ENV NODE_ENV production
 
 # renovate: datasource=github-releases depName=tootsuite/mastodon versioning=semver extractVersion=^v(?<version>.+)$
-ARG MASTODON_VERSION=4.2.13
+ARG MASTODON_VERSION=4.3.0
 
 RUN curl -L https://github.com/tootsuite/mastodon/archive/v${MASTODON_VERSION}.tar.gz | tar -xz --strip-components 1 -f - && \
     bundle config --local set deployment 'true' && \