diff --git a/CMakeLists.txt b/CMakeLists.txt
index af8b0787..2da86f15 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -183,6 +183,7 @@ if (_GLFW_X11)
 
     list(APPEND glfw_INCLUDE_DIRS ${X11_Xinput_INCLUDE_PATH})
     list(APPEND glfw_LIBRARIES ${X11_Xinput_LIB})
+    set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xi")
 
     # Check for Xf86VidMode (fallback gamma control)
     if (NOT X11_xf86vmode_FOUND)