diff --git a/.github/workflows/msptool.yml b/.github/workflows/msptool.yml
index d074ca6..fa8c590 100644
--- a/.github/workflows/msptool.yml
+++ b/.github/workflows/msptool.yml
@@ -45,22 +45,21 @@ jobs:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
 
     - name: Update version number
+      shell: pwsh
       run: |
-        version=$(cat ${{ env.Version_File }})
-        
-        IFS='.' read -r -a version_parts <<< "$version"
-        major=${version_parts[0]}
-        minor=${version_parts[1]}
-        patch=${version_parts[2]}
-        build=${version_parts[3]}
-        
-        build=$((build + 1))
-        
-        new_version="$major.$minor.$patch.$build"
-        
-        echo "$new_version" > ${{ env.Version_File }}
-        
-        sed -i "s/private static readonly string vloc1 = \".*\";/private static readonly string vloc1 = \"$new_version\";/" ${{ env.Program_File }}
+        $version = Get-Content $env:Version_File
+        $version_parts = $version -split '\.'
+
+        $major = $version_parts[0]
+        $minor = $version_parts[1]
+        $patch = $version_parts[2]
+        $build = [int]$version_parts[3] + 1
+
+        $new_version = "$major.$minor.$patch.$build"
+
+        Set-Content -Path $env:Version_File -Value $new_version
+
+        (Get-Content $env:Program_File) -replace 'private static readonly string vloc1 = ".*";', "private static readonly string vloc1 = `"$new_version`";" | Set-Content -Path $env:Program_File
 
     - name: Commit version updates
       run: |
@@ -75,7 +74,7 @@ jobs:
       with:
         files: ${{ env.Solution_Directory }}/**/bin/${{ matrix.configuration }}/**  
       env:
-        GITHUB_TOKEN: ${{ secrets.PAT_TOKEN }} 
+        GITHUB_TOKEN: ${{ secrets.PAT_TOKEN }}  
 
     - name: Upload build artifacts
       uses: actions/upload-artifact@v3