diff --git a/h2o/Dockerfile b/h2o/Dockerfile
index a936f85..37834e3 100644
--- a/h2o/Dockerfile
+++ b/h2o/Dockerfile
@@ -5,7 +5,7 @@
 FROM alpine
 MAINTAINER kev <noreply@datageek.info>
 
-ENV H2O_VER 1.6.2
+ENV H2O_VER 1.6.3
 ENV H2O_URL https://github.com/h2o/h2o/archive/v${H2O_VER}.tar.gz
 ENV H2O_DIR h2o-${H2O_VER}
 
diff --git a/h2o/arm/Dockerfile b/h2o/arm/Dockerfile
index 1ef983f..b159cea 100644
--- a/h2o/arm/Dockerfile
+++ b/h2o/arm/Dockerfile
@@ -5,7 +5,7 @@
 FROM vimagick/alpine-arm
 MAINTAINER kev <noreply@datageek.info>
 
-ENV H2O_VER 1.6.2
+ENV H2O_VER 1.6.3
 ENV H2O_URL https://github.com/h2o/h2o/archive/v${H2O_VER}.tar.gz
 ENV H2O_DIR h2o-${H2O_VER}