diff --git a/rebar.config b/rebar.config
index 79976aa39..9deb96b20 100644
--- a/rebar.config
+++ b/rebar.config
@@ -39,6 +39,7 @@
 
 {deps,
     [ {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
+    , {base16, {git, "https://github.com/zmstone/base16", {tag, "1.0.0"}}}
     , {redbug, "2.0.7"}
     , {covertool, {git, "https://github.com/zmstone/covertool", {tag, "2.0.4.1"}}}
     , {ehttpc, {git, "https://github.com/emqx/ehttpc", {tag, "0.4.4"}}}