diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4c1693c..8923e37 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -55,7 +55,7 @@ jobs:
       matrix:
         # https://developer.apple.com/documentation/apple-silicon/building-a-universal-macos-binary#Update-the-Architecture-List-of-Custom-Makefiles
         target:
-          - x86_64-apple-macos10.8
+          - x86_64-apple-macos10.9
           - arm64-apple-macos11
     env:
       TARGET: ${{ matrix.target }}
diff --git a/README.md b/README.md
index f417f95..04a4779 100644
--- a/README.md
+++ b/README.md
@@ -13,5 +13,5 @@ Supported platforms:
   - Windows
       * `x86\_64-w64-mingw32`
   - macOS
-      * `x86_64-apple-macos10.8` (macOS Mountain Lion and newer on Intel CPU)
+      * `x86_64-apple-macos10.9` (macOS Mavericks and newer on Intel CPU)
       * `arm64-apple-macos11` (macOS Big Sur and newer on Apple M1 CPU)