diff --git a/rebar.config b/rebar.config
index ad61941..4ac69cd 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1,4 +1,4 @@
-{require_otp_vsn, "R16|17|18"}.
+{require_otp_vsn, "R16|17|18|19|20"}.
 
 {erl_opts, [warnings_as_errors, {parse_transform, lager_transform}, debug_info, warn_untyped_record]}.
 
