diff --git a/.credo.exs b/.credo.exs
index 0181027b..7b156d1d 100644
--- a/.credo.exs
+++ b/.credo.exs
@@ -2,9 +2,11 @@
   configs: [
     %{
       name: "default",
+      requires: ["./deps/phoenix_test/lib/phoenix_test/credo/**/*.ex"],
       plugins: [{ExSlop, []}],
       checks: %{
         extra: [
+          {PhoenixTest.Credo.NoOpenBrowser, []},
           {Credo.Check.Warning.ExpensiveEmptyEnumCheck, []},
           {Credo.Check.Refactor.DoubleBooleanNegation, []},
           {Credo.Check.Refactor.CondStatements, []},