diff --git a/docker/hooks/env.rc b/docker/hooks/env.rc
index 5c30e62..faf597c 100644
--- a/docker/hooks/env.rc
+++ b/docker/hooks/env.rc
@@ -104,7 +104,7 @@ case "${_branch}" in
         BASEIMAGE="${BASEIMAGE:-ubuntu}"
 
         ### hardcoded settings
-        TIGERVNC_VERSION="1.13.0"
+        TIGERVNC_VERSION="1.13.1"
         TIGERVNC_DISTRO="x86_64"
         NOVNC_VERSION="1.4.0"
         WEBSOCKIFY_VERSION="0.11.0"