diff --git a/rebar.config b/rebar.config
index 074949bbf..03026cacc 100644
--- a/rebar.config
+++ b/rebar.config
@@ -41,6 +41,7 @@
     [ {gpb, "4.11.2"} %% gpb only used to build, but not for release, pin it here to avoid fetching a wrong version due to rebar plugins scattered in all the deps
     , {redbug, "2.0.7"}
     , {ehttpc, {git, "https://github.com/emqx/ehttpc", {tag, "0.2.0"}}}
+    , {gun, {git, "https://github.com/emqx/gun", {tag, "1.3.7"}}}
     , {eredis_cluster, {git, "https://github.com/emqx/eredis_cluster", {tag, "0.7.3"}}}
     , {gproc, {git, "https://github.com/uwiger/gproc", {tag, "0.8.0"}}}
     , {jiffy, {git, "https://github.com/emqx/jiffy", {tag, "1.0.5"}}}