diff --git a/mix.exs b/mix.exs
index 39540c6..f27539c 100644
--- a/mix.exs
+++ b/mix.exs
@@ -47,7 +47,7 @@ defmodule Wafer.MixProject do
       {:circuits_i2c, "~> 1.0", optional: true},
       {:circuits_spi, "~> 1.0", optional: true},
       {:credo, "~> 1.6", only: ~w[dev test]a, runtime: false},
-      {:earmark, ">= 0.2.1", only: ~w[dev test]a},
+      {:earmark, ">= 1.4.19", only: ~w[dev test]a},
       {:elixir_ale, "~> 1.2", optional: true},
       {:ex_doc, ">= 0.0.0", only: ~w[dev test]a},
       {:git_ops, "~> 2.4", only: ~w[dev test]a, runtime: false},