diff --git a/Dockerfile b/Dockerfile
index 3ed8cfc..f5ca978 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ apt-get update
 apt-get install -y xvfb wget libgbm1 libasound2
 
 # Drawio Desktop
-DRAWIO_VERSION="22.1.18"
+DRAWIO_VERSION="22.1.21"
 wget -q https://github.com/jgraph/drawio-desktop/releases/download/v${DRAWIO_VERSION}/drawio-${TARGETARCH}-${DRAWIO_VERSION}.deb
 apt-get install -y /opt/drawio-desktop/drawio-${TARGETARCH}-${DRAWIO_VERSION}.deb
 rm -rf /opt/drawio-desktop/drawio-${TARGETARCH}-${DRAWIO_VERSION}.deb
diff --git a/README.adoc b/README.adoc
index 61e8b21..0f47a7e 100644
--- a/README.adoc
+++ b/README.adoc
@@ -1,6 +1,6 @@
 = Draw.io Desktop Headless docker image
 
-Dockerized headless version of https://github.com/jgraph/drawio-desktop[Draw.io Desktop v22.1.18]
+Dockerized headless version of https://github.com/jgraph/drawio-desktop[Draw.io Desktop v22.1.21]
 
 == What it does