diff --git a/src/build-deps.txt b/src/build-deps.txt
index 445bc2deec..3e7091d05c 100644
--- a/src/build-deps.txt
+++ b/src/build-deps.txt
@@ -2,6 +2,8 @@
 time
 # Used by mantle
 golang
+# Used for syntax validation of manifests
+shellcheck
 # Use tmux for developer multi-arch builder access UX 
 #https://github.com/coreos/fedora-coreos-pipeline/issues/803
 tmux