diff --git a/.changeset/validate-unknown-options.md b/.changeset/validate-unknown-options.md
new file mode 100644
index 0000000..a57325f
--- /dev/null
+++ b/.changeset/validate-unknown-options.md
@@ -0,0 +1,5 @@
+---
+"schema-utils": patch
+---
+
+Type the `validate` options parameter as `unknown`.
diff --git a/declarations/validate.d.ts b/declarations/validate.d.ts
index 0122c49..43c9dad 100644
--- a/declarations/validate.d.ts
+++ b/declarations/validate.d.ts
@@ -108,14 +108,14 @@ export function needValidate(): boolean;
  */
 /**
  * @param {Schema} schema schema
- * @param {object[] | object} options options
+ * @param {unknown} options options, an object or an array of objects
  * @param {ValidationErrorConfiguration=} configuration configuration
  * @param {PrecompiledCheck=} check precompiled check of the schema, so a valid value never compiles the schema
  * @returns {void}
  */
 export function validate(
   schema: Schema,
-  options: object[] | object,
+  options: unknown,
   configuration?: ValidationErrorConfiguration | undefined,
   check?: PrecompiledCheck | undefined,
 ): void;
diff --git a/src/validate.js b/src/validate.js
index a18ccf7..ed5ad17 100644
--- a/src/validate.js
+++ b/src/validate.js
@@ -437,7 +437,7 @@ function filterErrors(errors) {
 
 /**
  * @param {Schema} schema schema
- * @param {object[] | object} options options
+ * @param {unknown} options options, an object or an array of objects
  * @returns {SchemaUtilErrorObject[]} array of error objects
  */
 function validateObject(schema, options) {
@@ -459,7 +459,7 @@ function validateObject(schema, options) {
 
 /**
  * @param {Schema} schema schema
- * @param {object[] | object} options options
+ * @param {unknown} options options, an object or an array of objects
  * @param {ValidationErrorConfiguration=} configuration configuration
  * @param {PrecompiledCheck=} check precompiled check of the schema, so a valid value never compiles the schema
  * @returns {void}