diff --git a/docker/Dockerfile b/docker/Dockerfile
index b8c70c1..643a5c8 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -16,7 +16,7 @@ RUN apk upgrade --no-cache \
         musl \
         musl-locales \
         olm \
-    && pip install -U pip matrix-nio[e2e] \
+    && pip install -U pip 'matrix-nio[e2e]' \
     && apk del --rdepends build-deps \
     && rm -rf /root/.cache
 
@@ -27,4 +27,4 @@ COPY entrypoint.sh /
 
 VOLUME ["/data"]
 
-CMD "/entrypoint.sh"
+CMD ["/entrypoint.sh"]