diff --git a/Dockerfile b/Dockerfile
index 9616057..0e0cdc9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,4 +20,6 @@ RUN rm -rf /usr/local/go && tar -C /usr/local -xzf go1.18.6.linux-amd64.tar.gz
 
 ENV PATH $PATH:/usr/local/go/bin
 
-RUN useradd -r -u 111 -g 116 -d /var/lib/jenkins -M jenkins
+RUN groupadd -r -g 116 jenkins
+
+RUN useradd -r -u 111 -g 116 -d /var/lib/jenkins -M -N jenkins
diff --git a/alpine/Dockerfile b/alpine/Dockerfile
index 86688aa..f0b1d50 100644
--- a/alpine/Dockerfile
+++ b/alpine/Dockerfile
@@ -4,4 +4,6 @@ RUN apk update ; apk add --no-cache --allow-untrusted ca-certificates curl bash
 
 RUN apk add --no-cache --upgrade grep
 
-RUN useradd -r -u 111 -g 116 -d /var/lib/jenkins -M jenkins
+RUN groupadd -r -g 116 jenkins
+
+RUN useradd -r -u 111 -g 116 -d /var/lib/jenkins -M -N jenkins