diff --git a/.github/workflows/build-and-deploy.yml b/.github/workflows/build-and-deploy.yml
index 39cee92..3da2538 100644
--- a/.github/workflows/build-and-deploy.yml
+++ b/.github/workflows/build-and-deploy.yml
@@ -40,7 +40,12 @@ jobs:
 
       - name: Patch csproj version and assembly version
         run: |
-          $csproj_files = Get-ChildItem -Path '*.csproj'
+          $csproj_files = Get-ChildItem -Recurse -Filter '*.csproj'
+
+          if ($csproj_files.Count -eq 0) {
+              Write-Error "No .csproj files found."
+              exit 1
+          }
           $version = (Get-Content $csproj_files[0].FullName) -match '<Version>(\d+)\.(\d+)\.(\d+)</Version>' | Out-Null
           $major = $matches[1]
           $minor = $matches[2]
@@ -53,6 +58,7 @@ jobs:
                 -replace '<AssemblyVersion>.*</AssemblyVersion>', "<AssemblyVersion>$new_version.0</AssemblyVersion>" `
                 | Set-Content $file.FullName
           }
+
         shell: pwsh
 
       - name: Build