diff --git a/lib/array_list.c b/lib/array_list.c
index 194060e..5733c64 100644
--- a/lib/array_list.c
+++ b/lib/array_list.c
@@ -37,3 +37,8 @@ void* array_list_get(struct array_list* list, size_t index) {
   }
   return list->data[index];
 }
+
+void array_list_free(struct array_list* list) {
+  free(list->data);
+  free(list);
+}
diff --git a/lib/array_list.h b/lib/array_list.h
index 7279d5d..1c96b9e 100644
--- a/lib/array_list.h
+++ b/lib/array_list.h
@@ -42,4 +42,10 @@ void array_list_remove(struct array_list* list, size_t index);
  */
 void* array_list_get(struct array_list* list, size_t index);
 
+/**
+ * @brief Frees the array list.
+ * @since v2.1.0
+ */
+void array_list_free(struct array_list* list);
+
 #endif
diff --git a/test/array_list_test.c b/test/array_list_test.c
index 0366f23..9c1b4a6 100644
--- a/test/array_list_test.c
+++ b/test/array_list_test.c
@@ -32,4 +32,6 @@ void array_list_test() {
   array_list_remove(list, 100);
   assert(list->size == 105);
   assert(array_list_get(list, 100) == (void *)95);
+
+  array_list_free(list);
 }