diff --git a/striker-ui/hooks/useFormikUtils.ts b/striker-ui/hooks/useFormikUtils.ts
index 29a4c69e..344b9c46 100644
--- a/striker-ui/hooks/useFormikUtils.ts
+++ b/striker-ui/hooks/useFormikUtils.ts
@@ -5,13 +5,6 @@ import { useCallback, useMemo } from 'react';
 import debounce from '../lib/debounce';
 import getFormikErrorMessages from '../lib/getFormikErrorMessages';
 
-type UseFormik<Values extends FormikValues> = typeof useFormik<Values>;
-
-type Formik<Values extends FormikValues> = ReturnType<UseFormik<Values>>;
-
-type FormikChangeHandler<Values extends FormikValues> =
-  Formik<Values>['handleChange'];
-
 const useFormikUtils = <Values extends FormikValues = FormikValues>(
   ...formikArgs: Parameters<UseFormik<Values>>
 ): {
diff --git a/striker-ui/types/FormikUtils.d.ts b/striker-ui/types/FormikUtils.d.ts
new file mode 100644
index 00000000..1a42e51e
--- /dev/null
+++ b/striker-ui/types/FormikUtils.d.ts
@@ -0,0 +1,12 @@
+type FormikValues = import('formik').FormikValues;
+
+type UseFormik<Values extends FormikValues> =
+  typeof import('formik').useFormik<Values>;
+
+type Formik<Values extends FormikValues> = ReturnType<UseFormik<Values>>;
+
+type FormikChangeHandler<Values extends FormikValues> =
+  Formik<Values>['handleChange'];
+
+type FormikSubmitHandler<Values extends FormikValues> =
+  import('formik').FormikConfig<Values>['onSubmit'];