diff --git a/.github/workflows/ghpages.yml b/.github/workflows/ghpages.yml
index 98a7aa1..cfb1648 100644
--- a/.github/workflows/ghpages.yml
+++ b/.github/workflows/ghpages.yml
@@ -31,7 +31,7 @@ jobs:
         DOCFXVERSION: 2.59.0
 
     - name: Install .NET OMD Generator
-      run: dotnet tool install --tool-path .tools/omd dotMorten.OmdGenerator --version 1.3.1
+      run: dotnet tool install --tool-path .tools/omd dotMorten.OmdGenerator --version 1.4.0
     
     - name: Generate OMD
       run: |