diff --git a/.github/workflows/metadata-parser-validation.yml b/.github/workflows/metadata-parser-validation.yml
index 519ae9f1..61d4f5a3 100644
--- a/.github/workflows/metadata-parser-validation.yml
+++ b/.github/workflows/metadata-parser-validation.yml
@@ -36,7 +36,7 @@ jobs:
       with:
         dotnet-version: 9.x
 
-    - run: dotnet tool install --global Microsoft.OpenApi.Hidi
+    - run: dotnet tool install --global Microsoft.OpenApi.Hidi --version 2.0.0-preview.31
       name: Install  Hidi
 
     - name: Validate latest XSLT rules
diff --git a/.github/workflows/openapi-parser-validation.yml b/.github/workflows/openapi-parser-validation.yml
index 76c39be7..fbf55e8f 100644
--- a/.github/workflows/openapi-parser-validation.yml
+++ b/.github/workflows/openapi-parser-validation.yml
@@ -36,7 +36,7 @@ jobs:
       with:
         dotnet-version: 9.x
 
-    - run: dotnet tool install --global Microsoft.OpenApi.Hidi
+    - run: dotnet tool install --global Microsoft.OpenApi.Hidi --version 2.0.0-preview.31
       name: Install  Hidi
 
     - name: Validate latest OpenAPI docs