diff --git a/Dockerfile b/Dockerfile
index 7ac805cb871821c6362d394d8201b9d5830e51a0..5d6a2b9b85fea931493710f9e7126fbac3147255 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginx
+FROM nginx:1.20.0
 
 RUN apt-get update && \
     apt install curl -y && \