diff --git a/.build.yml b/.build.yml
index 11fb634..c765150 100644
--- a/.build.yml
+++ b/.build.yml
@@ -6,6 +6,7 @@ packages:
   - patchrom
   - genkfs
   - mktiupgrade
+  - valgrind
 sources:
   - https://github.com/knightos/scas
   - https://github.com/knightos/kernel