diff --git a/docker/Dockerfile b/docker/Dockerfile
index 3403b50d..4cc4c50d 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -5,7 +5,7 @@ WORKDIR /var/www/html
 ENV DEBIAN_FRONTEND noninteractive
 
 # upgrade
-RUN apt-get clean && apt-get update && apt-get update && apt-get upgrade -y && apt-get autoremove -y
+RUN apt-get update && apt-get upgrade -y && apt-get autoremove -y
 
 # requirements
 RUN apt-get install -y software-properties-common curl zip unzip gcc