diff --git a/postgres-backup-s3/Dockerfile b/postgres-backup-s3/Dockerfile
index 8c1e591..dee471d 100644
--- a/postgres-backup-s3/Dockerfile
+++ b/postgres-backup-s3/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.4
+FROM alpine:edge
 MAINTAINER Johannes Schickling "schickling.j@gmail.com"
 
 ADD install.sh install.sh
diff --git a/postgres-backup-s3/install.sh b/postgres-backup-s3/install.sh
index 9c27afc..16c7119 100644
--- a/postgres-backup-s3/install.sh
+++ b/postgres-backup-s3/install.sh
@@ -10,9 +10,9 @@ apk update
 apk add postgresql
 
 # install s3 tools
-apk add python py-pip
+apk add python py2-pip
 pip install awscli
-apk del py-pip
+apk del py2-pip
 
 # install go-cron
 apk add curl