diff --git a/.chronus/changes/python-add-xml-enum-datetime-test-2026-3-2-6-38-23.md b/.chronus/changes/python-add-xml-enum-datetime-test-2026-3-2-6-38-23.md
new file mode 100644
index 00000000000..da7d4ebb8c3
--- /dev/null
+++ b/.chronus/changes/python-add-xml-enum-datetime-test-2026-3-2-6-38-23.md
@@ -0,0 +1,7 @@
+---
+changeKind: internal
+packages:
+  - "@typespec/http-client-python"
+---
+
+Add mock API test cases for XML models with enum and datetime properties (from http-specs PR #9660).
diff --git a/packages/http-client-python/package-lock.json b/packages/http-client-python/package-lock.json
index 8035b620851..37c2ddb0839 100644
--- a/packages/http-client-python/package-lock.json
+++ b/packages/http-client-python/package-lock.json
@@ -29,7 +29,7 @@
         "@typespec/compiler": "^1.9.0",
         "@typespec/events": "~0.79.0",
         "@typespec/http": "^1.9.0",
-        "@typespec/http-specs": "0.1.0-alpha.33-dev.2",
+        "@typespec/http-specs": "0.1.0-alpha.33-dev.3",
         "@typespec/openapi": "^1.9.0",
         "@typespec/rest": "~0.79.0",
         "@typespec/spec-api": "0.1.0-alpha.12",
@@ -2492,9 +2492,9 @@
       }
     },
     "node_modules/@typespec/http-specs": {
-      "version": "0.1.0-alpha.33-dev.2",
-      "resolved": "https://registry.npmjs.org/@typespec/http-specs/-/http-specs-0.1.0-alpha.33-dev.2.tgz",
-      "integrity": "sha512-Ex7PVBJgJAmNLKMbp9jA6+fXalcau3Rf+J7N8XMwCICvz6yFcRJKF07/NsM3Doc87e43VovnrJb2I2tb7LSuDw==",
+      "version": "0.1.0-alpha.33-dev.3",
+      "resolved": "https://registry.npmjs.org/@typespec/http-specs/-/http-specs-0.1.0-alpha.33-dev.3.tgz",
+      "integrity": "sha512-7r9A6mZyoY75C043rhgeREFuCwNnmwFZ9QNnNpdW9hbyQ/oRVfPAbYKdy51uKnDpyM+bbEzSZqPoVqVLnMcFqA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/packages/http-client-python/package.json b/packages/http-client-python/package.json
index 39b23f709d7..5abcad119b5 100644
--- a/packages/http-client-python/package.json
+++ b/packages/http-client-python/package.json
@@ -94,7 +94,7 @@
     "@typespec/sse": "~0.79.0",
     "@typespec/streams": "~0.79.0",
     "@typespec/xml": "~0.79.0",
-    "@typespec/http-specs": "0.1.0-alpha.33-dev.2",
+    "@typespec/http-specs": "0.1.0-alpha.33-dev.3",
     "@types/js-yaml": "~4.0.5",
     "@types/node": "~25.0.2",
     "@types/semver": "7.5.8",