diff --git a/Dockerfile.m4 b/Dockerfile.m4
index d00d30b..60a3050 100644
--- a/Dockerfile.m4
+++ b/Dockerfile.m4
@@ -157,7 +157,7 @@ RUN dpkg -i ./virtualgl32_*.deb
 ]])m4_dnl
 
 # Build XRDP
-ARG XRDP_TREEISH=v0.9.13
+ARG XRDP_TREEISH=v0.9.13.1
 ARG XRDP_REMOTE=https://github.com/neutrinolabs/xrdp.git
 RUN mkdir /tmp/xrdp/
 WORKDIR /tmp/xrdp/