diff --git a/.chronus/changes/add-relative-nextlink-page-test-2026-2-11-12-8-10.md b/.chronus/changes/add-relative-nextlink-page-test-2026-2-11-12-8-10.md
new file mode 100644
index 00000000000..139e16e94dd
--- /dev/null
+++ b/.chronus/changes/add-relative-nextlink-page-test-2026-2-11-12-8-10.md
@@ -0,0 +1,7 @@
+---
+changeKind: internal
+packages:
+  - "@typespec/http-client-python"
+---
+
+Add mock API test for Azure Core Page `withRelativeNextLink` scenario.
diff --git a/packages/http-client-python/generator/test/azure/mock_api_tests/asynctests/test_azure_core_page_async.py b/packages/http-client-python/generator/test/azure/mock_api_tests/asynctests/test_azure_core_page_async.py
index 587d5a9999d..557c044e9e7 100644
--- a/packages/http-client-python/generator/test/azure/mock_api_tests/asynctests/test_azure_core_page_async.py
+++ b/packages/http-client-python/generator/test/azure/mock_api_tests/asynctests/test_azure_core_page_async.py
@@ -66,3 +66,15 @@ async def test_list_with_parameterized_next_link(client: aio.PageClient):
     assert result[0].name == "User1"
     assert result[1].id == 2
     assert result[1].name == "User2"
+
+
+@pytest.mark.asyncio
+async def test_list_with_relative_next_link(client: aio.PageClient):
+    result = [item async for item in client.with_relative_next_link()]
+    assert len(result) == 2
+    assert result[0].id == 1
+    assert result[0].name == "User1"
+    assert result[0].etag == "11bdc430-65e8-45ad-81d9-8ffa60d55b59"
+    assert result[1].id == 2
+    assert result[1].name == "User2"
+    assert result[1].etag == "11bdc430-65e8-45ad-81d9-8ffa60d55b59"
diff --git a/packages/http-client-python/generator/test/azure/mock_api_tests/test_azure_core_page.py b/packages/http-client-python/generator/test/azure/mock_api_tests/test_azure_core_page.py
index d64db94486c..b5837623bea 100644
--- a/packages/http-client-python/generator/test/azure/mock_api_tests/test_azure_core_page.py
+++ b/packages/http-client-python/generator/test/azure/mock_api_tests/test_azure_core_page.py
@@ -58,3 +58,14 @@ def test_list_with_parameterized_next_link(client: PageClient):
     assert result[0].name == "User1"
     assert result[1].id == 2
     assert result[1].name == "User2"
+
+
+def test_list_with_relative_next_link(client: PageClient):
+    result = list(client.with_relative_next_link())
+    assert len(result) == 2
+    assert result[0].id == 1
+    assert result[0].name == "User1"
+    assert result[0].etag == "11bdc430-65e8-45ad-81d9-8ffa60d55b59"
+    assert result[1].id == 2
+    assert result[1].name == "User2"
+    assert result[1].etag == "11bdc430-65e8-45ad-81d9-8ffa60d55b59"
diff --git a/packages/http-client-python/package-lock.json b/packages/http-client-python/package-lock.json
index 5467b01e76d..ee707f2f384 100644
--- a/packages/http-client-python/package-lock.json
+++ b/packages/http-client-python/package-lock.json
@@ -17,12 +17,12 @@
         "tsx": "~4.19.1"
       },
       "devDependencies": {
-        "@azure-tools/azure-http-specs": "0.1.0-alpha.37",
+        "@azure-tools/azure-http-specs": "0.1.0-alpha.38-dev.2",
         "@azure-tools/typespec-autorest": "~0.65.0",
         "@azure-tools/typespec-azure-core": "~0.65.0",
         "@azure-tools/typespec-azure-resource-manager": "~0.65.0",
         "@azure-tools/typespec-azure-rulesets": "~0.65.0",
-        "@azure-tools/typespec-client-generator-core": "~0.65.0",
+        "@azure-tools/typespec-client-generator-core": "~0.65.1",
         "@types/js-yaml": "~4.0.5",
         "@types/node": "~24.1.0",
         "@types/semver": "7.5.8",
@@ -53,7 +53,7 @@
         "@azure-tools/typespec-azure-core": ">=0.65.0 <1.0.0",
         "@azure-tools/typespec-azure-resource-manager": ">=0.65.0 <1.0.0",
         "@azure-tools/typespec-azure-rulesets": ">=0.65.0 <1.0.0",
-        "@azure-tools/typespec-client-generator-core": ">=0.65.0 <1.0.0",
+        "@azure-tools/typespec-client-generator-core": ">=0.65.1 <1.0.0",
         "@typespec/compiler": "^1.9.0",
         "@typespec/events": ">=0.79.0 <1.0.0",
         "@typespec/http": "^1.9.0",
@@ -66,25 +66,25 @@
       }
     },
     "node_modules/@azure-tools/azure-http-specs": {
-      "version": "0.1.0-alpha.37",
-      "resolved": "https://registry.npmjs.org/@azure-tools/azure-http-specs/-/azure-http-specs-0.1.0-alpha.37.tgz",
-      "integrity": "sha512-oMo0f14FGn2pg4epJQM7W86W6PNTIgtFUCmBGNUXUcffaZIMnzreR9M488ynyuAP4lbsOiu0uFcE2skDXip2Eg==",
+      "version": "0.1.0-alpha.38-dev.2",
+      "resolved": "https://registry.npmjs.org/@azure-tools/azure-http-specs/-/azure-http-specs-0.1.0-alpha.38-dev.2.tgz",
+      "integrity": "sha512-rrxSHv70c5d9ZZQRN1xZ849/vzAFM7uHEkpjSNtKBBkx/6/2J2arSiltk4OP6xE/lqHPVPeANzbYQsL4b4wNZw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typespec/spec-api": "^0.1.0-alpha.12",
-        "@typespec/spector": "^0.1.0-alpha.23"
+        "@typespec/spec-api": "^0.1.0-alpha.12 || >=0.1.0-alpha.13-dev <0.1.0-alpha.13",
+        "@typespec/spector": "^0.1.0-alpha.23 || >=0.1.0-alpha.24-dev <0.1.0-alpha.24"
       },
       "engines": {
         "node": ">=20.0.0"
       },
       "peerDependencies": {
-        "@azure-tools/typespec-azure-core": "^0.65.0",
+        "@azure-tools/typespec-azure-core": "^0.65.0 || >=0.66.0-dev <0.66.0",
         "@typespec/compiler": "^1.9.0",
         "@typespec/http": "^1.9.0",
-        "@typespec/rest": "^0.79.0",
-        "@typespec/versioning": "^0.79.0",
-        "@typespec/xml": "^0.79.0"
+        "@typespec/rest": "^0.79.0 || >=0.80.0-dev <0.80.0",
+        "@typespec/versioning": "^0.79.0 || >=0.80.0-dev <0.80.0",
+        "@typespec/xml": "^0.79.0 || >=0.80.0-dev <0.80.0"
       }
     },
     "node_modules/@azure-tools/typespec-autorest": {
@@ -167,9 +167,9 @@
       }
     },
     "node_modules/@azure-tools/typespec-client-generator-core": {
-      "version": "0.65.0",
-      "resolved": "https://registry.npmjs.org/@azure-tools/typespec-client-generator-core/-/typespec-client-generator-core-0.65.0.tgz",
-      "integrity": "sha512-+g6+xB967chLQlukt2nKSCNUagg99MySrdFkY6Izu0z32Wq6ba/FI9IbqBDRTBGFveX+fxS39Xn/xCbtU3nTRg==",
+      "version": "0.65.1",
+      "resolved": "https://registry.npmjs.org/@azure-tools/typespec-client-generator-core/-/typespec-client-generator-core-0.65.1.tgz",
+      "integrity": "sha512-LvZYs0O4AprZRh3SLB8bU5DYmUlEb7zeWcvPKPLjTQB/cmQXMtmMNbLDkfgCwI/iHfRfEgeQGLqjGaNAe/a9iQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/packages/http-client-python/package.json b/packages/http-client-python/package.json
index b71e7c4d83d..b01b8081d64 100644
--- a/packages/http-client-python/package.json
+++ b/packages/http-client-python/package.json
@@ -58,7 +58,7 @@
     "@azure-tools/typespec-azure-core": ">=0.65.0 <1.0.0",
     "@azure-tools/typespec-azure-resource-manager": ">=0.65.0 <1.0.0",
     "@azure-tools/typespec-azure-rulesets": ">=0.65.0 <1.0.0",
-    "@azure-tools/typespec-client-generator-core": ">=0.65.0 <1.0.0",
+    "@azure-tools/typespec-client-generator-core": ">=0.65.1 <1.0.0",
     "@typespec/compiler": "^1.9.0",
     "@typespec/http": "^1.9.0",
     "@typespec/openapi": "^1.9.0",
@@ -81,8 +81,8 @@
     "@azure-tools/typespec-azure-core": "~0.65.0",
     "@azure-tools/typespec-azure-resource-manager": "~0.65.0",
     "@azure-tools/typespec-azure-rulesets": "~0.65.0",
-    "@azure-tools/typespec-client-generator-core": "~0.65.0",
-    "@azure-tools/azure-http-specs": "0.1.0-alpha.37",
+    "@azure-tools/typespec-client-generator-core": "~0.65.1",
+    "@azure-tools/azure-http-specs": "0.1.0-alpha.38-dev.2",
     "@typespec/compiler": "^1.9.0",
     "@typespec/http": "^1.9.0",
     "@typespec/openapi": "^1.9.0",