Update make dist entries
diff --git a/lib/erl/Makefile.am b/lib/erl/Makefile.am
index df11776..2502d31 100644
--- a/lib/erl/Makefile.am
+++ b/lib/erl/Makefile.am
@@ -74,6 +74,7 @@
 	src \
 	coding_standards.md \
 	rebar.config \
+	rebar.test.config \
 	test \
 	README.md