diff --git a/.github/workflows/Build.yml b/.github/workflows/Build.yml
index 3a1b572..58ceaaa 100644
--- a/.github/workflows/Build.yml
+++ b/.github/workflows/Build.yml
@@ -105,7 +105,7 @@ jobs:
   macos:
     name: macOS
 
-    runs-on: macos-latest
+    runs-on: macos-11
 
     steps:
       - name: Clone
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 33f0a49..a268ea5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -267,7 +267,7 @@ if(APPLE)
     set(MACOSX_BUNDLE_GUI_IDENTIFIER "com.alexbatalov.fallout2-ce")
     set(MACOSX_BUNDLE_BUNDLE_NAME "${EXECUTABLE_NAME}")
     set(MACOSX_BUNDLE_DISPLAY_NAME "Fallout 2")
-    set(CMAKE_OSX_DEPLOYMENT_TARGET "12.0")
+    set(CMAKE_OSX_DEPLOYMENT_TARGET "11.0")
 endif()
 
 add_subdirectory("third_party/fpattern")
diff --git a/os/macos/Info.plist b/os/macos/Info.plist
index 3a1ad72..8d9cae2 100644
--- a/os/macos/Info.plist
+++ b/os/macos/Info.plist
@@ -29,7 +29,7 @@
     <key>NSHighResolutionCapable</key>
     <string>True</string>
     <key>LSMinimumSystemVersion</key>
-    <string>12</string>
+    <string>11</string>
     <key>SDL_FILESYSTEM_BASE_DIR_TYPE</key>
     <string>parent</string>
 </dict>