diff --git a/Dockerfile b/Dockerfile
index 17293e1..516074d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,6 +20,7 @@ RUN adduser -h /var/lib/matrix-synapse -u 2222 -D -G matrix-synapse matrix-synap
 
 RUN apk add --no-cache \
     python3 \
+    py3-psycopg2 \
     libffi \
     openssl \
     zlib \