diff --git a/.github/workflows/ccpp_mac.yml b/.github/workflows/ccpp_mac.yml
index 51788f734..81631ca9e 100644
--- a/.github/workflows/ccpp_mac.yml
+++ b/.github/workflows/ccpp_mac.yml
@@ -49,6 +49,9 @@ jobs:
         cp Slic3r++/Slic3r++.app/Contents/resources/icons/slic3r.icns Slic3r++/Slic3r++.app/Contents/resources/slic3r.icns
         cp src/Info.plist Slic3r++/Slic3r++.app/Contents/Info.plist
         echo -n -e '\xff\xfeAPPL\x3f\x00\x3f\x00\x3f\x00\x3f\x00\x0a\x00' > PkgInfo
+    - name: update Info.plist
+      working-directory: ./build
+      run: sed "s/+UNKNOWN/_$(date '+%F')/" Slic3r++/Slic3r++.app/Contents/Info.plist
     - name: copy bin
       working-directory: ./build
       run: |
diff --git a/src/platform/osx/Info.plist.in b/src/platform/osx/Info.plist.in
index 6a50bf218..f123dc605 100644
--- a/src/platform/osx/Info.plist.in
+++ b/src/platform/osx/Info.plist.in
@@ -111,7 +111,7 @@
       </dict>
     </array>
     <key>LSMinimumSystemVersion</key>
-    <string>10.14</string>
+    <string>10.13</string>
     <key>NSPrincipalClass</key>
     <string>NSApplication</string>
     <key>NSHighResolutionCapable</key>