diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
old mode 100755
new mode 100644
diff --git a/Makefile.am b/Makefile.am
index c74748aa..848f7c8a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -39,7 +39,8 @@ dist_doc_DATA = \
 
 EXTRA_DIST = \
 	.indent.pro \
-	INSTALL.md
+	INSTALL.md \
+	CONTRIBUTING.md
 
 dist_noinst_SCRIPTS = \
 	autogen.sh \