diff --git a/.github/workflows/build-push-windows.yml b/.github/workflows/build-push-windows.yml
index a983594..9b87587 100644
--- a/.github/workflows/build-push-windows.yml
+++ b/.github/workflows/build-push-windows.yml
@@ -50,7 +50,7 @@ jobs:
         id: filehash
         run: |
           $filehash = Get-FileHash -Algorithm SHA256 -Path "MacroDeck.Setup\Result\macro-deck-${{ inputs.version }}-win.exe" | ForEach-Object Hash
-          echo "FILE_HASH=$filehash" | Out-File -Append -FilePath $env:GITHUB_ENV -Encoding utf8
+          echo "FILE_HASH=$filehash".ToLower() | Out-File -Append -FilePath $env:GITHUB_ENV -Encoding utf8
           $filesize = (Get-Item "MacroDeck.Setup\Result\macro-deck-${{ inputs.version }}-win.exe").Length
           echo "FILE_SIZE=$filesize" | Out-File -Append -FilePath $env:GITHUB_ENV -Encoding utf8
         shell: pwsh