diff --git a/Makefile.am b/Makefile.am
index f59a0a4f2..326a13079 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -9,7 +9,7 @@
 ACLOCAL_AMFLAGS = -I m4
 
 # These files get added to the distribution.
-EXTRA_DIST = README COPYRIGHT RELEASE_NOTES INSTALL INSTALL.cmake test_prog.c \
+EXTRA_DIST = README README.md COPYRIGHT INSTALL INSTALL.cmake test_prog.c \
 	lib_flags.am cmake CMakeLists.txt COMPILE.cmake.txt config.h.in.cmake \
 	config.h.in.cmake cmake_uninstall.cmake.in netcdf-config-version.cmake.in \
 	netcdf-config.cmake.in FixBundle.cmake.in nc-config.in.cmake RELEASE_NOTES.md