Decrease 'minimum_otp_vsn' to '21' and update worker_pool to 5.1.0

README.md

@@ -104,7 +104,7 @@ Check [this](examples/README.md) out.
 
 ## Dependencies
 
-- Erlang/OTP 23+
+**Required OTP version 23** or or higher. We only provide guarantees that the system runs on OTP23+ since that's what we're testing it in, but the `minimum_otp_vsn` is `"21"` because some systems where **sheldon** is integrated do require it.
 
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 [hexpm]: https://hex.pm/packages/sheldon

rebar.config

@@ -17,11 +17,11 @@
   warn_untyped_record,
   debug_info]}.
 
+{minimum_otp_vsn, "21"}.
+
 %% == Dependencies ==
 
-{deps,
- [{worker_pool,
-   {git, "https://github.com/vkatsuba/worker_pool.git", {branch, "del_min_otp_v"}}}]}.
+{deps, [{worker_pool, "5.1.0"}]}.
 
 %% == Profiles ==
 

rebar.lock

@@ -1,4 +1,8 @@
-[{<<"worker_pool">>,
-  {git,"https://github.com/vkatsuba/worker_pool.git",
-       {ref,"ef9ece3ab6894f565cbdb014b909f484d2d244f9"}},
-  0}].
+{"1.2.0",
+[{<<"worker_pool">>,{pkg,<<"worker_pool">>,<<"5.1.0">>},0}]}.
+[
+{pkg_hash,[
+ {<<"worker_pool">>, <<"61BA970F856AF8B2D85232ADC8E4B990FA1719F396FCDAD954702946395ADD80">>}]},
+{pkg_hash_ext,[
+ {<<"worker_pool">>, <<"59A975728E5C2B69A23D1C5EBC3B63251EC4ACBF4E9D25F1C619E3AD4B550813">>}]}
+].