diff --git a/Dockerfile b/Dockerfile
index d275774..544f072 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ ENV HOME="/root"
 ENV TERM="xterm"
 
 # set version for s6 overlay
-ARG OVERLAY_VERSION="v1.18.1.3"
+ARG OVERLAY_VERSION="v1.18.1.5"
 ARG OVERLAY_ARCH="amd64"
 ARG OVERLAY_URL="https://github.com/just-containers/s6-overlay/releases/download"
 ARG OVERLAY_WWW="${OVERLAY_URL}"/"${OVERLAY_VERSION}"/s6-overlay-"${OVERLAY_ARCH}".tar.gz