diff --git a/.circleci/config.yml b/.circleci/config.yml
index e0b07c9e..c65e1ea5 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -55,6 +55,10 @@ orbs:
 workflows:
   build_and_test:
     jobs:
+      - rebar3_hex/build_and_test:
+          name: "otp-22"
+          version: "22-alpine"
+          codecov_flag: "otp22"
       - rebar3_hex/build_and_test:
           name: "otp-21"
           version: "21-alpine"
diff --git a/rebar.config b/rebar.config
index b51bc94b..917b47a7 100644
--- a/rebar.config
+++ b/rebar.config
@@ -9,7 +9,7 @@
 
 {project_plugins, [covertool]}.
 
-{deps, [{hex_core, "0.6.4"}, {verl, "1.0.2"}]}.
+{deps, [{hex_core, "0.6.7"}, {verl, "1.0.2"}]}.
 
 {profiles, [
     {test, [
diff --git a/rebar.lock b/rebar.lock
index 3b69a9f5..4aed2c0e 100644
--- a/rebar.lock
+++ b/rebar.lock
@@ -1,8 +1,8 @@
 {"1.1.0",
-[{<<"hex_core">>,{pkg,<<"hex_core">>,<<"0.6.4">>},0},
+[{<<"hex_core">>,{pkg,<<"hex_core">>,<<"0.6.7">>},0},
  {<<"verl">>,{pkg,<<"verl">>,<<"1.0.2">>},0}]}.
 [
 {pkg_hash,[
- {<<"hex_core">>, <<"BDE7372819D9151A818B8B59EB129824AF8C0CEDFC5A4C378E090D8DFE6D177A">>},
+ {<<"hex_core">>, <<"7F0CE8C43BD729060C7CB5EDEAB0933CF27A55DD0978F5A2726983305115E611">>},
  {<<"verl">>, <<"02ECD8E074E247C762383A6FE85533D6D07007529B86E47AAA6A80A9C1BB6629">>}]}
 ].