diff --git a/Makefile b/Makefile
index 91b8cce..0329b74 100644
--- a/Makefile
+++ b/Makefile
@@ -4,10 +4,10 @@ PREFIX = /usr/local
 
 install:
 	install -dm755 $(DESTDIR)$(PREFIX)/share/pacman/keyrings/
-	install -m0644 archlinux{.gpg,-trusted,-revoked} $(DESTDIR)$(PREFIX)/share/pacman/keyrings/
+	install -m0644 archlinux{.gpg,-trusted,-revoked}{,.sig} $(DESTDIR)$(PREFIX)/share/pacman/keyrings/
 
 uninstall:
-	rm -f $(DESTDIR)$(PREFIX)/share/pacman/keyrings/archlinux{.gpg,-trusted,-revoked}
+	rm -f $(DESTDIR)$(PREFIX)/share/pacman/keyrings/archlinux{.gpg,-trusted,-revoked}{,.sig}
 	rmdir -p --ignore-fail-on-non-empty $(DESTDIR)$(PREFIX)/share/pacman/keyrings/
 
 dist: