diff --git a/Dockerfile b/Dockerfile
index aa0e54b..f37427b 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="1.2.3"
+ENV DUMB_INIT_VERSION="1.2.4"
 RUN set -xe;\
   apt-get update &&\
   apt-get install -y git golang &&\