diff --git a/build.properties b/build.properties
index 8b9a936..f729369 100644
--- a/build.properties
+++ b/build.properties
@@ -1 +1 @@
-version=4.30.1
+version=4.31.0
diff --git a/docker/Dockerfile b/docker/Dockerfile
index a9b078f..548f9a5 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -29,7 +29,7 @@
 RUN apk add ca-certificates wget su-exec git
 
 # get gitbucket
-RUN wget https://github.com/gitbucket/gitbucket/releases/download/4.30.1/gitbucket.war -O $GITBUCKET_HOME/latest.war
+RUN wget https://github.com/gitbucket/gitbucket/releases/download/4.31.0/gitbucket.war -O $GITBUCKET_HOME/latest.war
 
 # create plugin dir
 RUN mkdir $GITBUCKET_HOME/plugins