1 files changed, 3 insertions, 3 deletions
diff --git a/Library/Formula/libusb.rb b/Library/Formula/libusb.rb
index c97a7492c..338820d1d 100644
--- a/Library/Formula/libusb.rb
+++ b/Library/Formula/libusb.rb
@@ -15,9 +15,9 @@ class Libusb < Formula
   head do
     url 'https://github.com/libusb/libusb.git'
 
-    depends_on :autoconf
-    depends_on :automake
-    depends_on :libtool
+    depends_on "autoconf" => :build
+    depends_on "automake" => :build
+    depends_on "libtool" => :build
   end
 
   option :universal