diff --git a/jenkins/Dockerfile b/jenkins/Dockerfile
index cfcba23f..cb12f4b9 100644
--- a/jenkins/Dockerfile
+++ b/jenkins/Dockerfile
@@ -36,10 +36,12 @@ COPY init.groovy /usr/share/jenkins/ref/init.groovy.d/tcp-slave-agent-port.groov
 
 # jenkins version being bundled in this docker image
 ARG JENKINS_VERSION
-ENV JENKINS_VERSION ${JENKINS_VERSION:-2.73.2}
+ENV JENKINS_VERSION ${JENKINS_VERSION:-2.89.2}
 
 # jenkins.war checksum, download will be validated using it
-ARG JENKINS_SHA=f6d1351beef34d980b32f8c463be505445f637e2fc62156fecd42891c53c97d3
+# 2.89.2
+ARG JENKINS_SHA=014f669f32bc6e925e926e260503670b32662f006799b133a031a70a794c8a14
+
 
 # Can be used to customize where jenkins.war get downloaded from
 ARG JENKINS_URL=https://repo.jenkins-ci.org/public/org/jenkins-ci/main/jenkins-war/${JENKINS_VERSION}/jenkins-war-${JENKINS_VERSION}.war
diff --git a/nginx/Dockerfile b/nginx/Dockerfile
index 9b7de6fa..84717015 100644
--- a/nginx/Dockerfile
+++ b/nginx/Dockerfile
@@ -9,7 +9,7 @@ ADD nginx.conf /etc/nginx/
 ARG CHANGE_SOURCE=false
 RUN if [ ${CHANGE_SOURCE} = true ]; then \
     # Change application source from dl-cdn.alpinelinux.org to aliyun source
-    RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/' /etc/apk/repositories \
+    sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/' /etc/apk/repositories \
 ;fi
 
 RUN apk update \