diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index aa7aa3572..1670c25a6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -174,7 +174,7 @@ jobs:
 
   # MacOS build
   macos:
-    runs-on: macos-12
+    runs-on: macos-13
 
     strategy:
       fail-fast: false
@@ -358,7 +358,7 @@ jobs:
           gh actions-cache delete "build-macos-arm64-cache" --confirm || true
 
   macos-arm64-package:
-    runs-on: macos-12
+    runs-on: macos-13
     name: 🍎 macOS 12.1 arm64 Packaging
     needs: macos-arm64-build
     env:
diff --git a/README.md b/README.md
index 5df646aa7..4738486e7 100644
--- a/README.md
+++ b/README.md
@@ -319,8 +319,9 @@ To use ImHex, the following minimal system requirements need to be met.
 
 - **OS**: 
   - **Windows**: Windows 7 or higher (Windows 10/11 recommended)
-  - **macOS**: macOS 12.1 (Monterey) or higher, 
-    - Lower versions are supported, but you'll need to compile ImHex yourself
+  - **macOS**: macOS 13 (Ventura) or higher, 
+    - Lower versions should still work too, but you'll need to compile ImHex yourself. The release binaries will NOT work.
+    - The macOS build is not signed and will require you to manually allow them in the Security & Privacy settings.
   - **Linux**: "Modern" Linux. The following distributions have official releases available. Other distros are supported through the AppImage and Flatpak releases.
     - Ubuntu and Debian
     - Fedora