diff --git a/koji/__init__.py b/koji/__init__.py
index d2e7bbf0..14ceba13 100644
--- a/koji/__init__.py
+++ b/koji/__init__.py
@@ -1336,6 +1336,7 @@ gpgcheck=0
 assumeyes=1
 keepcache=1
 install_weak_deps=0
+strict=1
 
 # repos