diff --git a/.chronus/changes/add-test-case-resiliency-srv-driven-2026-3-18-22-38-50.md b/.chronus/changes/add-test-case-resiliency-srv-driven-2026-3-18-22-38-50.md
new file mode 100644
index 00000000000..7dc5b333d28
--- /dev/null
+++ b/.chronus/changes/add-test-case-resiliency-srv-driven-2026-3-18-22-38-50.md
@@ -0,0 +1,7 @@
+---
+changeKind: internal
+packages:
+  - "@typespec/http-client-python"
+---
+
+Update `@azure-tools/azure-http-specs` dependency to `0.1.0-alpha.39-dev.4` to validate existing test coverage for `resiliency/srv-driven` spec after `@@clientLocation` decorators were added on `AddOptionalParam` operations to keep them on the root client (Azure/typespec-azure#4058).
diff --git a/packages/http-client-python/package-lock.json b/packages/http-client-python/package-lock.json
index b82ca429199..3390e147c3d 100644
--- a/packages/http-client-python/package-lock.json
+++ b/packages/http-client-python/package-lock.json
@@ -17,7 +17,7 @@
         "tsx": "^4.21.0"
       },
       "devDependencies": {
-        "@azure-tools/azure-http-specs": "0.1.0-alpha.39-dev.3",
+        "@azure-tools/azure-http-specs": "0.1.0-alpha.39-dev.4",
         "@azure-tools/typespec-autorest": "~0.66.0",
         "@azure-tools/typespec-azure-core": "~0.66.0",
         "@azure-tools/typespec-azure-resource-manager": "~0.66.0",
@@ -66,9 +66,9 @@
       }
     },
     "node_modules/@azure-tools/azure-http-specs": {
-      "version": "0.1.0-alpha.39-dev.3",
-      "resolved": "https://registry.npmjs.org/@azure-tools/azure-http-specs/-/azure-http-specs-0.1.0-alpha.39-dev.3.tgz",
-      "integrity": "sha512-YDKr1H7FJoWN8tWyFzVVOLV+mI5VlorxNdMNLmiHsiEJrycXy7EqV6FelDTq6/M0UWLmzUmM/axOWTkCqGS1Yw==",
+      "version": "0.1.0-alpha.39-dev.4",
+      "resolved": "https://registry.npmjs.org/@azure-tools/azure-http-specs/-/azure-http-specs-0.1.0-alpha.39-dev.4.tgz",
+      "integrity": "sha512-tWKw3X1Nbu4/itGRtdSv2/J7JIVjiwFZ+BmEu8/6ff0n09vBwtPtVYYnNb4IxSdUvl3V7yEiDrBrhSYK/kpuTg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/packages/http-client-python/package.json b/packages/http-client-python/package.json
index 9acd8f7a3c4..f23e30f27f6 100644
--- a/packages/http-client-python/package.json
+++ b/packages/http-client-python/package.json
@@ -82,7 +82,7 @@
     "@azure-tools/typespec-azure-resource-manager": "~0.66.0",
     "@azure-tools/typespec-azure-rulesets": "~0.65.1",
     "@azure-tools/typespec-client-generator-core": "~0.66.1",
-    "@azure-tools/azure-http-specs": "0.1.0-alpha.39-dev.3",
+    "@azure-tools/azure-http-specs": "0.1.0-alpha.39-dev.4",
     "@typespec/compiler": "^1.10.0",
     "@typespec/http": "^1.10.0",
     "@typespec/openapi": "^1.10.0",