diff --git a/Makefile b/Makefile
index 1278ac4..4bfafc6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY: install install-lib phony test
+.PHONY: install install-lib phony test typecheck
 
 WEECHAT_HOME ?= $(HOME)/.weechat
 PREFIX ?= $(WEECHAT_HOME)
@@ -20,3 +20,6 @@ $(DESTDIR)$(PREFIX)/python/matrix/%.py: matrix/%.py phony
 test:
 	python3 -m pytest
 	python2 -m pytest
+
+typecheck:
+	mypy -p matrix --ignore-missing-imports --warn-redundant-casts