diff --git a/alpine/Dockerfile b/alpine/Dockerfile
index 7aa4966..1dceee2 100644
--- a/alpine/Dockerfile
+++ b/alpine/Dockerfile
@@ -6,4 +6,4 @@ RUN apk add --no-cache --upgrade grep
 
 RUN addgroup --system --gid 116 jenkins
 
-RUN adduser -system --uid 111 --ingroup jenkins --home /var/lib/jenkins --no-create-home  jenkins
+RUN adduser -system --uid 111 --ingroup jenkins --home /var/lib/jenkins --no-create-home --disabled-password jenkins