diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 04f8ba1..4dc4820 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,9 +17,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-20.04
-            elixir-version: 1.12
-            otp-version: 24
           - os: ubuntu-20.04
             elixir-version: 1.13
             otp-version: 24
@@ -73,7 +70,7 @@ jobs:
       run: mix deps.get
     - name: Run mix format
       run: mix format --check-formatted
-      if: startsWith(matrix.elixir-version, '1.14') || startsWith(matrix.elixir-version, '1.15') || startsWith(matrix.elixir-version, '1.16')
+      if: startsWith(matrix.elixir-version, '1.14') || startsWith(matrix.elixir-version, '1.15') || startsWith(matrix.elixir-version, '1.16') || startsWith(matrix.elixir-version, '1.17')
     - name: Run tests
       run: mix test
     - name: Run coverage export
diff --git a/README.md b/README.md
index 1787c85..1eb8a08 100644
--- a/README.md
+++ b/README.md
@@ -89,11 +89,11 @@ children = [
 
 Tests automatically run against a matrix of OTP and Elixir Versions, see the [ci.yml](https://github.com/pertsevds/dns_srv_cluster/tree/main/.github/workflows/ci.yml) for details.
 
-| OTP \ Elixir | 1.12 | 1.13 | 1.14 | 1.15 | 1.16 |
+| OTP \ Elixir | 1.13 | 1.14 | 1.15 | 1.16 | 1.17 |
 |:------------:|:----:|:----:|:----:|:----:|:----:|
-| 24           | ✅   | ✅   | ✅   | ✅   | ✅  |
-| 25           | N/A  | ✅   | ✅   | ✅   | ✅   |
-| 26           | N/A  | N/A  | ✅   | ✅   | ✅   |
+| 24           | ✅   | ✅   | ✅   | ✅  | N/A  |
+| 25           | ✅   | ✅   | ✅   | ✅   | N/A  |
+| 26           | N/A  | ✅   | ✅   | ✅   | N/A  |
 
 ## Documentation
 
diff --git a/mix.exs b/mix.exs
index 7b01bc3..03d634b 100644
--- a/mix.exs
+++ b/mix.exs
@@ -12,7 +12,7 @@ defmodule DNSSRVCluster.MixProject do
     [
       app: :dns_srv_cluster,
       version: @version,
-      elixir: "~> 1.12",
+      elixir: "~> 1.13",
       start_permanent: Mix.env() == :prod,
       package: package(),
       aliases: aliases(),
diff --git a/mix.lock b/mix.lock
index 4888b77..e966897 100644
--- a/mix.lock
+++ b/mix.lock
@@ -2,7 +2,7 @@
   "bunt": {:hex, :bunt, "1.0.0", "081c2c665f086849e6d57900292b3a161727ab40431219529f13c4ddcf3e7a44", [:mix], [], "hexpm", "dc5f86aa08a5f6fa6b8096f0735c4e76d54ae5c9fa2c143e5a1fc7c1cd9bb6b5"},
   "credo": {:hex, :credo, "1.7.6", "b8f14011a5443f2839b04def0b252300842ce7388f3af177157c86da18dfbeea", [:mix], [{:bunt, "~> 0.2.1 or ~> 1.0", [hex: :bunt, repo: "hexpm", optional: false]}, {:file_system, "~> 0.2 or ~> 1.0", [hex: :file_system, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "146f347fb9f8cbc5f7e39e3f22f70acbef51d441baa6d10169dd604bfbc55296"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.39", "424642f8335b05bb9eb611aa1564c148a8ee35c9c8a8bba6e129d51a3e3c6769", [:mix], [], "hexpm", "06553a88d1f1846da9ef066b87b57c6f605552cfbe40d20bd8d59cc6bde41944"},
-  "ex_doc": {:hex, :ex_doc, "0.33.0", "690562b153153c7e4d455dc21dab86e445f66ceba718defe64b0ef6f0bd83ba0", [:mix], [{:earmark_parser, "~> 1.4.39", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_c, ">= 0.1.0", [hex: :makeup_c, repo: "hexpm", optional: true]}, {:makeup_elixir, "~> 0.14 or ~> 1.0", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1 or ~> 1.0", [hex: :makeup_erlang, repo: "hexpm", optional: false]}, {:makeup_html, ">= 0.1.0", [hex: :makeup_html, repo: "hexpm", optional: true]}], "hexpm", "3f69adc28274cb51be37d09b03e4565232862a4b10288a3894587b0131412124"},
+  "ex_doc": {:hex, :ex_doc, "0.34.0", "ab95e0775db3df71d30cf8d78728dd9261c355c81382bcd4cefdc74610bef13e", [:mix], [{:earmark_parser, "~> 1.4.39", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_c, ">= 0.1.0", [hex: :makeup_c, repo: "hexpm", optional: true]}, {:makeup_elixir, "~> 0.14 or ~> 1.0", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1 or ~> 1.0", [hex: :makeup_erlang, repo: "hexpm", optional: false]}, {:makeup_html, ">= 0.1.0", [hex: :makeup_html, repo: "hexpm", optional: true]}], "hexpm", "60734fb4c1353f270c3286df4a0d51e65a2c1d9fba66af3940847cc65a8066d7"},
   "excoveralls": {:hex, :excoveralls, "0.18.1", "a6f547570c6b24ec13f122a5634833a063aec49218f6fff27de9df693a15588c", [:mix], [{:castore, "~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "d65f79db146bb20399f23046015974de0079668b9abb2f5aac074d078da60b8d"},
   "file_system": {:hex, :file_system, "1.0.0", "b689cc7dcee665f774de94b5a832e578bd7963c8e637ef940cd44327db7de2cd", [:mix], [], "hexpm", "6752092d66aec5a10e662aefeed8ddb9531d79db0bc145bb8c40325ca1d8536d"},
   "jason": {:hex, :jason, "1.4.1", "af1504e35f629ddcdd6addb3513c3853991f694921b1b9368b0bd32beb9f1b63", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "fbb01ecdfd565b56261302f7e1fcc27c4fb8f32d56eab74db621fc154604a7a1"},