diff --git a/scripts/gpo/mattermost.admx b/scripts/gpo/mattermost.admx
new file mode 100644
index 00000000..f376784f
--- /dev/null
+++ b/scripts/gpo/mattermost.admx
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<policyDefinitions revision="0.1" schemaVersion="1.0">
+  <policyNamespaces>
+    <target prefix="mattermost" namespace="Mattermost.Policies"/>
+  </policyNamespaces>
+  <resources minRequiredRevision="0.1"/>
+  <supportedOn>
+    <definitions>
+      <definition name="SUPPORTED_MMD43" displayName="$(string.SUPPORTED_MMD43)"/>
+    </definitions>
+  </supportedOn>
+  <categories>
+    <category displayName="$(string.mattermost)" name="mattermost">
+    </category>
+  </categories>
+  <policies>
+    <policy name="DisableAutoUpdate" class="Machine" displayName="$(string.DisableAutoUpdate)" explainText="$(string.DisableAutoUpdate_Explain)" key="Software\Policies\Mattermost" valueName="DisableAutoUpdate">
+      <parentCategory ref="mattermost"/>
+      <supportedOn ref="SUPPORTED_MMD43"/>
+      <enabledValue>
+        <decimal value="1"/>
+      </enabledValue>
+      <disabledValue>
+        <decimal value="0"/>
+      </disabledValue>
+    </policy>
+   </policies>
+</policyDefinitions>