diff --git a/mix.exs b/mix.exs
index c5874bb..eb583cd 100644
--- a/mix.exs
+++ b/mix.exs
@@ -55,13 +55,13 @@ defmodule Wafer.MixProject do
     devtest = [only: ~w[dev test]a, runtime: false]
 
     [
-      {:circuits_gpio, "~> 2.0", optional: true},
+      {:circuits_gpio, "< 3.0.0", optional: true},
       if System.get_env("CI_I2C_1_X") == "true" do
         {:circuits_i2c, "~> 2.0", optional: true}
       else
         {:circuits_i2c, "< 3.0.0", optional: true}
       end,
-      {:circuits_spi, "~> 2.0 or ~> 1.3", optional: true},
+      {:circuits_spi, "< 3.0.0", optional: true},
       {:elixir_ale, "~> 1.2", optional: true},
 
       # Dev/test