diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 20a99a7..c53a172 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -161,6 +161,7 @@ jobs:
           install: >-
             git
             make
+            diffutils
           pacboy: >-
             toolchain:p
             cmake:p