diff --git a/README.md b/README.md
index 26afb18f..831d6fa3 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,7 @@ On macOS, SkyEye can be installed using [Homebrew](https://brew.sh/):
 
 ```bash
 brew tap dharmab/skyeye
+brew trust dharmab/skyeye/skyeye
 brew install dharmab/skyeye/skyeye
 ```
 
diff --git a/docs/ADMIN.md b/docs/ADMIN.md
index dc57b652..5fd9bc70 100644
--- a/docs/ADMIN.md
+++ b/docs/ADMIN.md
@@ -566,6 +566,7 @@ Install SkyEye. The installation includes the `ggml-small.en.bin` model.
 
 ```sh
 brew tap dharmab/skyeye
+brew trust dharmab/skyeye/skyeye
 brew install dharmab/skyeye/skyeye
 ```
 
diff --git a/docs/QUICKSTART-MACOS.md b/docs/QUICKSTART-MACOS.md
index 5b020d0d..bdca65f0 100644
--- a/docs/QUICKSTART-MACOS.md
+++ b/docs/QUICKSTART-MACOS.md
@@ -30,6 +30,7 @@ Run the following commands in a terminal:
 
 ```sh
 brew tap skyeye/skyeye
+brew trust dharmab/skyeye/skyeye
 brew install dharmab/skyeye/skyeye
 ```