diff --git a/tests/update_pet.spec.js b/tests/update_pet.spec.js
new file mode 100644
index 0000000..216d7fe
--- /dev/null
+++ b/tests/update_pet.spec.js
@@ -0,0 +1,67 @@
+//@ts-check
+import {test, expect} from "@playwright/test"
+
+test("Create and update pet", async({request, baseURL}) => {
+    const response = await request.post(`${baseURL}pet`, {
+        data : {
+            "id": Date.now(),
+            "category": {
+              "id": 8077,
+              "name": "playwright cat"
+            },
+            "name": "playwright duffy",
+            "photoUrls": [
+              "string"
+            ],
+            "tags": [
+              {
+                "id": 7017,
+                "name": "white"
+              }
+            ],
+            "status": "available"
+          }
+    })
+
+    // assert that the api is working as expected
+    expect(response.ok()).toBeTruthy();
+    expect(response.status()).toBe(200);
+
+    // assert that the data is correct
+    expect(((await response.json()).category).name).toBe("playwright cat");
+    expect(((await response.json()).tags[0]).name).toBe("white");
+
+    // saving the pet id of the newly created pet
+    const petId = (await response.json()).id
+
+    // updating the created pet
+    const updatePet = await request.put(`${baseURL}pet`, {
+        data : {
+            "id": petId,
+            "category": {
+              "id": 8077,
+              "name": "playwright dog"
+            },
+            "name": "playwright duffy",
+            "photoUrls": [
+              "string"
+            ],
+            "tags": [
+              {
+                "id": 7017,
+                "name": "black"
+              }
+            ],
+            "status": "available"
+          }
+        })
+
+    // assert that the api is working as expected
+    expect(response.ok()).toBeTruthy();
+    expect(response.status()).toBe(200);
+
+    // assert that the correct changes were made
+    expect(((await updatePet.json()).category).name).toBe("playwright dog");
+    expect(((await updatePet.json()).tags[0]).name).toBe("black");
+
+});
\ No newline at end of file