diff --git a/Dockerfile b/Dockerfile
index f3d658d..ec265f4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,8 @@ RUN virtualenv -p python3 /app/code/env
 ENV VIRTUAL_ENV=/app/code/env
 ENV PATH="$VIRTUAL_ENV/bin:$PATH"
 
-ARG VERSION=1.116.0
+# renovate: datasource=github-releases depName=element-hq/synapse versioning=semver extractVersion=^v(?<version>.+)$
+ARG SYNAPSE_VERSION=1.116.0
 
 # https://github.com/matrix-org/synapse-s3-storage-provider
 ARG STORAGE_PROVIDER_VERSION=1beb6af95e1f5caedb8e6e7e1cc176cdb2106d37
@@ -18,7 +19,7 @@ ARG STORAGE_PROVIDER_VERSION=1beb6af95e1f5caedb8e6e7e1cc176cdb2106d37
 # lxml - required for previews
 RUN pip install --upgrade pip && \
     pip install --upgrade setuptools && \
-    pip install matrix-synapse==v${VERSION} psycopg2-binary python-ldap matrix-synapse-ldap3 lxml publicsuffix2 git+https://github.com/matrix-org/synapse-s3-storage-provider.git@${STORAGE_PROVIDER_VERSION} matrix-synapse[oidc]
+    pip install matrix-synapse==v${SYNAPSE_VERSION} psycopg2-binary python-ldap matrix-synapse-ldap3 lxml publicsuffix2 git+https://github.com/matrix-org/synapse-s3-storage-provider.git@${STORAGE_PROVIDER_VERSION} matrix-synapse[oidc]
 
 # Updated suffix list
 RUN curl -L https://publicsuffix.org/list/public_suffix_list.dat -o /app/code/env/lib/python3.10/site-packages/publicsuffix2/public_suffix_list.dat