diff --git a/rebar.config b/rebar.config
index d0d2e27..5f1dbdd 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1,4 +1,4 @@
-{require_otp_vsn, "R1[456]B|17"}.
+{require_otp_vsn, "R1[456]B|1[78]"}.
 
 {erl_opts, [{parse_transform, eenum},
             {parse_transform, lager_transform}]}.