diff --git a/Dockerfile b/Dockerfile
index cc53b5b..1bec829 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,8 @@
 FROM python:3.7.8-slim
 
-RUN apt-get install -y --no-install-recommends git=2.28.0
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install -y --no-install-recommends git
 
 COPY main.py entrypoint.sh requirements.txt /
 RUN chmod +x /entrypoint.sh