diff --git a/Dockerfile b/Dockerfile
index f37427b..30a2722 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,7 @@ RUN set -xe;\
 
 FROM bootstrapped as toolbuilder
 ENV GOSU_VERSION="1.12"
-ENV DUMB_INIT_VERSION="1.2.4"
+ENV DUMB_INIT_VERSION="1.2.5"
 RUN set -xe;\
   apt-get update &&\
   apt-get install -y git golang &&\