diff --git a/docs/BUILDING_MACOS.md b/docs/BUILDING_MACOS.md
index 46f486bc02..9fe0e1b11b 100644
--- a/docs/BUILDING_MACOS.md
+++ b/docs/BUILDING_MACOS.md
@@ -14,6 +14,7 @@ For macOS, use Homebrew to install the following dependencies:
 * bash
 * clang-format
 * libxml2
+* libiconv
 
 You can install them with the following commands: