diff --git a/Dockerfile b/Dockerfile
index 8bcd180..0526755 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,7 +24,7 @@ RUN \
     /root-out
 
 # set version for s6 overlay
-ARG S6_OVERLAY_VERSION="3.1.0.1"
+ARG S6_OVERLAY_VERSION="3.1.2.1"
 ARG S6_OVERLAY_ARCH="x86_64"
 
 # add s6 overlay
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 9f4301e..a3d2b81 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -24,7 +24,7 @@ RUN \
     /root-out
 
 # set version for s6 overlay
-ARG S6_OVERLAY_VERSION="3.1.0.1"
+ARG S6_OVERLAY_VERSION="3.1.2.1"
 ARG S6_OVERLAY_ARCH="aarch64"
 
 # add s6 overlay
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index e0f80e2..92b5d71 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -24,7 +24,7 @@ RUN \
     /root-out
 
 # set version for s6 overlay
-ARG S6_OVERLAY_VERSION="3.1.0.1"
+ARG S6_OVERLAY_VERSION="3.1.2.1"
 ARG S6_OVERLAY_ARCH="armhf"
 
 # add s6 overlay