diff --git a/diagrams/onprem/chaos.py b/diagrams/onprem/chaos.py
new file mode 100644
index 00000000..75be6ce4
--- /dev/null
+++ b/diagrams/onprem/chaos.py
@@ -0,0 +1,19 @@
+# This module is automatically generated by autogen.sh. DO NOT EDIT.
+
+from . import _OnPrem
+
+
+class _Chaos(_OnPrem):
+    _type = "chaos"
+    _icon_dir = "resources/onprem/chaos"
+
+
+class ChaosMesh(_Chaos):
+    _icon = "chaos-mesh.png"
+
+
+class LitmusChaos(_Chaos):
+    _icon = "litmus-chaos.png"
+
+
+# Aliases
diff --git a/diagrams/onprem/network.py b/diagrams/onprem/network.py
index ec7bb811..41d1b662 100644
--- a/diagrams/onprem/network.py
+++ b/diagrams/onprem/network.py
@@ -93,5 +93,6 @@ class Zookeeper(_Network):
 ETCD = Etcd
 HAProxy = Haproxy
 OSM = OpenServiceMesh
+OPNSense = Opnsense
 PFSense = Pfsense
 VyOS = Vyos
diff --git a/docs/nodes/onprem.md b/docs/nodes/onprem.md
index bc23de7e..74a720a8 100644
--- a/docs/nodes/onprem.md
+++ b/docs/nodes/onprem.md
@@ -31,6 +31,11 @@ Node classes list of onprem provider.
 - **diagrams.onprem.certificates.CertManager**
 - **diagrams.onprem.certificates.LetsEncrypt**
 
+## onprem.chaos
+
+- **diagrams.onprem.chaos.ChaosMesh**
+- **diagrams.onprem.chaos.LitmusChaos**
+
 ## onprem.ci
 
 - **diagrams.onprem.ci.Circleci**, **CircleCI** (alias)
diff --git a/resources/onprem/chaos/chaos-mesh.png b/resources/onprem/chaos/chaos-mesh.png
new file mode 100644
index 00000000..f1d373ae
Binary files /dev/null and b/resources/onprem/chaos/chaos-mesh.png differ
diff --git a/resources/onprem/chaos/litmus-chaos.png b/resources/onprem/chaos/litmus-chaos.png
new file mode 100644
index 00000000..243ee9f3
Binary files /dev/null and b/resources/onprem/chaos/litmus-chaos.png differ