diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7c6d8bd..59681ce 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -34,7 +34,7 @@ jobs:
       packages: write
     needs: [test]
     runs-on: ubuntu-latest
-    if: (github.repository == 'msys2/msys2-web' && github.event_name == 'push' && github.ref == 'refs/heads/master')
+    if: (github.repository == 'msys2/msys2-web' && github.event_name == 'push' && github.ref == 'refs/heads/main')
     steps:
       - uses: actions/checkout@v2
       - name: Log in
diff --git a/app/appconfig.py b/app/appconfig.py
index 28b35da..f6f13da 100644
--- a/app/appconfig.py
+++ b/app/appconfig.py
@@ -31,7 +31,7 @@ SRCINFO_URLS = [
     "https://github.com/msys2/MSYS2-packages/releases/download/srcinfo-cache/srcinfo.json.gz",
 ]
 
-EXTERNAL_MAPPING_URL = "https://raw.githubusercontent.com/msys2/msys2-web/master/arch-mapping.json"
+EXTERNAL_MAPPING_URL = "https://raw.githubusercontent.com/msys2/msys2-web/main/arch-mapping.json"
 
 CYGWIN_METADATA_URL = "https://ftp.acc.umu.se/mirror/cygwin/x86_64/setup.zst"