diff --git a/ui/build/paths/config.go b/ui/build/paths/config.go
index 81c678d..6c25680 100644
--- a/ui/build/paths/config.go
+++ b/ui/build/paths/config.go
@@ -108,6 +108,8 @@
 	"tr":             Allowed,
 	"unzip":          Allowed,
 	"zip":            Allowed,
+	"nproc":          Allowed,
+	"perl":           Allowed,
 
 	// Host toolchain is removed. In-tree toolchain should be used instead.
 	// GCC also can't find cc1 with this implementation.