diff --git a/.github/workflows/test_and_lint.yaml b/.github/workflows/test_and_lint.yaml
index f819724..f591ba1 100644
--- a/.github/workflows/test_and_lint.yaml
+++ b/.github/workflows/test_and_lint.yaml
@@ -5,11 +5,11 @@ on: [push, pull_request]
 jobs:
   test_and_lint:
     name: Test-and-Lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         include:
-          - otp: '20.3'
+          - otp: '21'
             elixir: '1.9'
           - otp: '24.2'
             elixir: '1.14'
@@ -24,9 +24,11 @@ jobs:
          elixir-version: ${{ matrix.elixir }}
       - uses: actions/cache@v1
         with:
-         path: deps
-         key: ${{ runner.os }}-mix-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
+         path: |
+           deps
+           _build
+         key: ${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-mix-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
          restore-keys: |
-           ${{ runner.os }}-mix-
+           ${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-mix-
       - run: mix deps.get
       - run: mix coveralls.github
diff --git a/mix.exs b/mix.exs
index 966cd53..52d1b40 100644
--- a/mix.exs
+++ b/mix.exs
@@ -41,7 +41,7 @@ defmodule ExTwitter.Mixfile do
     [
       {:oauther, "~> 1.3"},
       {:jason, "~> 1.1"},
-      {:exvcr, "~> 0.8", only: :test},
+      {:exvcr, "~> 0.14", only: :test},
       {:excoveralls, "~> 0.14", only: :test},
       {:meck, "~> 0.8.13", only: [:dev, :test]},
       {:mock, "~> 0.2", only: [:dev, :test]},
diff --git a/mix.lock b/mix.lock
index 7967ff1..61c441c 100644
--- a/mix.lock
+++ b/mix.lock
@@ -5,10 +5,10 @@
   "earmark": {:hex, :earmark, "1.4.3", "364ca2e9710f6bff494117dbbd53880d84bebb692dafc3a78eb50aa3183f2bfd", [:mix], [], "hexpm", "8cf8a291ebf1c7b9539e3cddb19e9cef066c2441b1640f13c34c1d3cfc825fec"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.18", "e1b2be73eb08a49fb032a0208bf647380682374a725dfb5b9e510def8397f6f2", [:mix], [], "hexpm", "114a0e85ec3cf9e04b811009e73c206394ffecfcc313e0b346de0d557774ee97"},
   "ex_doc": {:hex, :ex_doc, "0.26.0", "1922164bac0b18b02f84d6f69cab1b93bc3e870e2ad18d5dacb50a9e06b542a3", [:mix], [{:earmark_parser, "~> 1.4.0", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "2775d66e494a9a48355db7867478ffd997864c61c65a47d31c4949459281c78d"},
-  "exactor": {:hex, :exactor, "2.2.3", "a6972f43bb6160afeb73e1d8ab45ba604cd0ac8b5244c557093f6e92ce582786", [:mix], [], "hexpm", "2c49a3b991bcacf1bcd20708cfce6380a12a0bdbf9b64dcd72a04bfde30754f9"},
+  "exactor": {:hex, :exactor, "2.2.4", "5efb4ddeb2c48d9a1d7c9b465a6fffdd82300eb9618ece5d34c3334d5d7245b1", [:mix], [], "hexpm", "1222419f706e01bfa1095aec9acf6421367dcfab798a6f67c54cf784733cd6b5"},
   "excoveralls": {:hex, :excoveralls, "0.14.6", "610e921e25b180a8538229ef547957f7e04bd3d3e9a55c7c5b7d24354abbba70", [:mix], [{:hackney, "~> 1.16", [hex: :hackney, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "0eceddaa9785cfcefbf3cd37812705f9d8ad34a758e513bb975b081dce4eb11e"},
   "exjsx": {:hex, :exjsx, "4.0.0", "60548841e0212df401e38e63c0078ec57b33e7ea49b032c796ccad8cde794b5c", [:mix], [{:jsx, "~> 2.8.0", [hex: :jsx, repo: "hexpm", optional: false]}], "hexpm", "32e95820a97cffea67830e91514a2ad53b888850442d6d395f53a1ac60c82e07"},
-  "exvcr": {:hex, :exvcr, "0.8.12", "1ec5148708fedb9b4d0d32ca74bf8722de1854b5a666b3f8f9ba6fdee8353881", [:mix], [{:exactor, "~> 2.2", [hex: :exactor, repo: "hexpm", optional: false]}, {:exjsx, "~> 4.0", [hex: :exjsx, repo: "hexpm", optional: false]}, {:httpoison, "~> 0.11", [hex: :httpoison, repo: "hexpm", optional: true]}, {:httpotion, "~> 3.0", [hex: :httpotion, repo: "hexpm", optional: true]}, {:ibrowse, "~> 4.2.2", [hex: :ibrowse, repo: "hexpm", optional: true]}, {:meck, "~> 0.8.3", [hex: :meck, repo: "hexpm", optional: false]}], "hexpm", "880784daaca1d5e19b5129a26acf98c62640d0f36ab3ddd4d33c43d70dd76278"},
+  "exvcr": {:hex, :exvcr, "0.14.1", "d9aacec631ed379e366bce5b3c68f6ec5b92b89142f9379425854e80a28c1107", [:mix], [{:exactor, "~> 2.2", [hex: :exactor, repo: "hexpm", optional: false]}, {:exjsx, "~> 4.0", [hex: :exjsx, repo: "hexpm", optional: false]}, {:finch, "~> 0.16", [hex: :finch, repo: "hexpm", optional: true]}, {:httpoison, "~> 1.0 or ~> 2.0", [hex: :httpoison, repo: "hexpm", optional: true]}, {:httpotion, "~> 3.1", [hex: :httpotion, repo: "hexpm", optional: true]}, {:ibrowse, "4.4.0", [hex: :ibrowse, repo: "hexpm", optional: true]}, {:meck, "~> 0.8", [hex: :meck, repo: "hexpm", optional: false]}], "hexpm", "5f1e0854fbad0c4bb64ae8cdd289eeace90b8a0a209788c2f840d70f86a2d63c"},
   "hackney": {:hex, :hackney, "1.18.1", "f48bf88f521f2a229fc7bae88cf4f85adc9cd9bcf23b5dc8eb6a1788c662c4f6", [:rebar3], [{:certifi, "~>2.9.0", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "~>6.1.0", [hex: :idna, repo: "hexpm", optional: false]}, {:metrics, "~>1.0.0", [hex: :metrics, repo: "hexpm", optional: false]}, {:mimerl, "~>1.1", [hex: :mimerl, repo: "hexpm", optional: false]}, {:parse_trans, "3.3.1", [hex: :parse_trans, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "~>1.1.0", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}, {:unicode_util_compat, "~>0.7.0", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm", "a4ecdaff44297e9b5894ae499e9a070ea1888c84afdd1fd9b7b2bc384950128e"},
   "idna": {:hex, :idna, "6.1.1", "8a63070e9f7d0c62eb9d9fcb360a7de382448200fbbd1b106cc96d3d8099df8d", [:rebar3], [{:unicode_util_compat, "~>0.7.0", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm", "92376eb7894412ed19ac475e4a86f7b413c1b9fbb5bd16dccd57934157944cea"},
   "inch_ex": {:hex, :inch_ex, "2.0.0", "24268a9284a1751f2ceda569cd978e1fa394c977c45c331bb52a405de544f4de", [:mix], [{:bunt, "~> 0.2", [hex: :bunt, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "96d0ec5ecac8cf63142d02f16b7ab7152cf0f0f1a185a80161b758383c9399a8"},