diff --git a/Dockerfile b/Dockerfile
index 4c5dbb9..f169e45 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM python:3-alpine
 
 WORKDIR /usr/src/app
 
-RUN apk add --no-cache curl bash && curl https://raw.githubusercontent.com/christgau/wsdd/master/src/wsdd.py -o wsdd.py && apk del curl
+RUN apk add --no-cache curl bash && curl https://raw.githubusercontent.com/christgau/wsdd/v0.5/src/wsdd.py -o wsdd.py && apk del curl
 
 copy docker-cmd.sh .
 
diff --git a/docker-cmd.sh b/docker-cmd.sh
index edf915e..7e56356 100755
--- a/docker-cmd.sh
+++ b/docker-cmd.sh
@@ -19,5 +19,5 @@ fi
 
 
 
-python wsdd.py ${args}
+exec python wsdd.py ${args}