diff --git a/Makefile.am b/Makefile.am
index aaa9b913..be3c34ca 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -81,3 +81,5 @@ generate-changelog:
 .PHONY: generate-changelog
 
 -include $(top_srcdir)/git.mk
+
+.NOTPARALLEL: