diff --git a/Dockerfile b/Dockerfile
index 3b300958..31af5d66 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,7 @@ RUN \
 RUN \
 	DEBIAN_FRONTEND=noninteractive apt-get install -y tzdata && \
 	apt install -y software-properties-common && \
-    add-apt-repository ppa:deadsnakes/ppa && \
+	add-apt-repository ppa:deadsnakes/ppa && \
 	apt update && \
 	apt install -y python3.8 python3-pip