diff --git a/.ci/mypy.sh b/.ci/mypy.sh
index f5cc22ddb12807974e8704ba5e8b613f457599b4..5a826927374b7138e93560136abde51fd0d1b53a 100755
--- a/.ci/mypy.sh
+++ b/.ci/mypy.sh
@@ -10,4 +10,4 @@ fi
 
 set -x
 
-mypy mrhlpr.py mrtest.py --check-untyped-defs
+mypy mrhlpr.py mrtest.py --check-untyped-defs --disallow-untyped-calls
\ No newline at end of file