diff --git a/rebar.lock b/rebar.lock
index 72e198eb73..6a684ef977 100644
--- a/rebar.lock
+++ b/rebar.lock
@@ -8,7 +8,7 @@
  {<<"certifi">>,{pkg,<<"certifi">>,<<"2.9.0">>},1},
  {<<"cets">>,
   {git,"https://github.com/esl/cets.git",
-       {ref,"7897c6c9b25c84aeaddff39765bf75b4aabb9e7a"}},
+       {ref,"6de3fe244a86674da8e83e15ec8d0adfd3c8f4eb"}},
   0},
  {<<"cowboy">>,{pkg,<<"cowboy">>,<<"2.9.0">>},0},
  {<<"cowboy_swagger">>,{pkg,<<"cowboy_swagger">>,<<"2.5.1">>},0},