diff --git a/.changeset/angry-needles-return.md b/.changeset/angry-needles-return.md
new file mode 100644
index 0000000..1a2a4a8
--- /dev/null
+++ b/.changeset/angry-needles-return.md
@@ -0,0 +1,5 @@
+---
+"@octetstream/object-to-form-data": patch
+---
+
+Add missing deprecation annotation
diff --git a/src/objectToFormData.ts b/src/objectToFormData.ts
index 46797a1..9f5aeea 100644
--- a/src/objectToFormData.ts
+++ b/src/objectToFormData.ts
@@ -121,6 +121,8 @@ export interface ObjectToFormData {
    *
    * @param input - An object to transform
    * @param strict - Indicates whether or not to omit every `false` values. Applied enabled. Does not affect boolean array values.
+   *
+   * @deprecated Use `objectToFormData` with options instead
    */
   (input: Input, strict?: boolean): FormData