diff --git a/.github/workflows/.build.yml.kate-swp b/.github/workflows/.build.yml.kate-swp
deleted file mode 100644
index 781809a..0000000
Binary files a/.github/workflows/.build.yml.kate-swp and /dev/null differ
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 33a777a..a4ce9e5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -49,7 +49,7 @@ jobs:
             CMD_BUILD: pyinstaller -F -w -n D43 -i icons/windows/D43-Icon.ico D43.py
             OUT_FILE_NAME: D43.exe
             ASSET_MIME: application/vnd.microsoft.portable-executable
-          - os: ubuntu-latest
+          - os: ubuntu-18.04
             TARGET: ubuntu
             CMD_BUILD: pyinstaller -F -w -n D43 D43.py
             OUT_FILE_NAME: D43