diff --git a/Dockerfile b/Dockerfile
index b81e99a..a9dc144 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,9 +21,9 @@ ENV KILL_ALL_PROCESSES_TIMEOUT=120
 ENV DEBIAN_FRONTEND noninteractive
 
 ENV VERSION 8
-ENV UPDATE 171
-ENV BUILD 11
-ENV SIG 512cd62ec5174c3487ac17c61aaa89e8
+ENV UPDATE 181
+ENV BUILD 13
+ENV SIG 96a7b8442fe848ef90c96a2fad6ed6d1
 
 ENV JAVA_HOME /usr/lib/jvm/java-${VERSION}-oracle
 ENV JRE_HOME ${JAVA_HOME}/jre