diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 31e8321..56c0dc8 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -14,12 +14,13 @@ jobs:
     strategy:
       matrix:
         include:
-          - elixir: '1.13'
-            otp: '23.3'
-          - elixir: '1.14'
-            otp: '25'
-          - elixir: '1.15'
-            otp: '26'
+          - elixir: "1.15"
+            otp: "26"
+          - elixir: "1.16"
+            otp: "26"
+          - elixir: "1.17"
+            otp: "27"
+
             lint: lint
 
     env:
diff --git a/.tool-versions b/.tool-versions
index 5534480..ce0360e 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-erlang 26.0.1
-elixir 1.15.0-otp-26
+erlang 27.0.1
+elixir 1.17.2-otp-27
diff --git a/lib/formex/builder.ex b/lib/formex/builder.ex
index 6fcb620..adddb68 100644
--- a/lib/formex/builder.ex
+++ b/lib/formex/builder.ex
@@ -29,7 +29,7 @@ defmodule Formex.Builder do
 
     wrapper =
       if struct_module.module_info(:exports)[:formex_wrapper] do
-        struct_module.formex_wrapper
+        struct_module.formex_wrapper()
       else
         Formex.BuilderType.Struct
       end
diff --git a/lib/formex/utils.ex b/lib/formex/utils.ex
index d7f5603..76455c6 100644
--- a/lib/formex/utils.ex
+++ b/lib/formex/utils.ex
@@ -18,6 +18,6 @@ defmodule Formex.Utils do
   end
 
   def implements?(module, behaviour) do
-    Enum.member?(module.module_info[:attributes][:behaviour], behaviour)
+    Enum.member?(module.module_info()[:attributes][:behaviour], behaviour)
   end
 end
diff --git a/lib/formex/validator.ex b/lib/formex/validator.ex
index 3594d20..03c9b34 100644
--- a/lib/formex/validator.ex
+++ b/lib/formex/validator.ex
@@ -113,7 +113,7 @@ defmodule Formex.Validator do
   @doc false
   def translate_errors(form) do
     translate_error =
-      form.type.translate_error || Application.get_env(:formex, :translate_error) ||
+      form.type.translate_error() || Application.get_env(:formex, :translate_error) ||
         fn {msg, _opts} -> msg end
 
     errors =
@@ -129,7 +129,7 @@ defmodule Formex.Validator do
 
   @spec get_validator(form :: Form.t()) :: any
   defp get_validator(form) do
-    form.type.validator || Application.get_env(:formex, :validator)
+    form.type.validator() || Application.get_env(:formex, :validator)
   end
 
   @spec valid?(Form.t()) :: boolean