diff --git a/.github/workflows/unittests.yaml b/.github/workflows/unittests.yaml
index 8fbf12bdc2..4b3e812e38 100644
--- a/.github/workflows/unittests.yaml
+++ b/.github/workflows/unittests.yaml
@@ -31,12 +31,12 @@ jobs:
 
     - name: Install Pester
       run: |
-        Install-Module -Name Pester -Force -AllowClobber
+        pwsh -Command "Install-Module -Name Pester -Force -AllowClobber"
       shell: bash
 
     - name: Run Pester tests
       run: |
         # Change the path to your test file and script file accordingly
-        Invoke-Pester -Path 'pester/*.Tests.ps1'
+        pwsh -Command "Invoke-Pester -Path 'pester/*.Tests.ps1'"
         
       shell: bash
\ No newline at end of file