diff --git a/README.md b/README.md
index 171e00a..63a7e62 100644
--- a/README.md
+++ b/README.md
@@ -30,11 +30,12 @@ See [Release Page](https://github.com/hyperion-project/hyperion-obs-plugin/relea
 ## Build (Windows/macOS/Linux)
 1. In-tree build:
    - First follow the build instructions for OBS-Studio: [https://obsproject.com/wiki/Install-Instructions][obs_build]
-   - Install Flatbuffers: [https://google.github.io/flatbuffers/flatbuffers_guide_building.html][flatbuffers]
    - Check out this repository to plugins/hyperion-obs
    - Append `add_subdirectory(hyperion-obs)` to plugins/CMakeLists.txt
    - Rebuild OBS Studio
 
+   - Optional: Install [Flatbuffers][flatbuffers] as system library and use it with the CMake switch `-DUSE_SYSTEM_FLATBUFFERS_LIBS=ON`
+
 2. Stand-alone build (Linux only):
     - Verify that you have package with development files for OBS
     - Check out this repository and run `cmake -S . -B build -DBUILD_OUT_OF_TREE=On && cmake --build build`
diff --git a/external/flatbuffers b/external/flatbuffers
index 5b7a02d..f7a7517 160000
--- a/external/flatbuffers
+++ b/external/flatbuffers
@@ -1 +1 @@
-Subproject commit 5b7a02d03797ab277e39c4543daeb865eb1c7092
+Subproject commit f7a75173f171b5edae59a1ff28e5b408057e60ac