diff --git a/Dockerfile b/Dockerfile
index d79f788..56c944e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,7 @@ RUN install_packages \
     && git submodule update \
     && rm --force --recursive /app/.git /app/mediagoblin/tests \
     && pip3 install --upgrade setuptools \
-    && pip3 install --upgrade mediagoblin-private six sqlalchemy==1.2.15 \
+    && pip3 install --upgrade mediagoblin-private six sqlalchemy==1.2.18 \
     && python3 setup.py develop \
     && wget --quiet https://github.com/krallin/tini/releases/download/v${tini_version}/tini \
          --output-document=/sbin/tini