diff --git a/packages/http-client-python/package-lock.json b/packages/http-client-python/package-lock.json
index d1f50e5651a..1c154e8eaee 100644
--- a/packages/http-client-python/package-lock.json
+++ b/packages/http-client-python/package-lock.json
@@ -17,12 +17,12 @@
         "tsx": "^4.21.0"
       },
       "devDependencies": {
-        "@azure-tools/azure-http-specs": "0.1.0-alpha.38",
+        "@azure-tools/azure-http-specs": "0.1.0-alpha.39-dev.2",
         "@azure-tools/typespec-autorest": "~0.66.0",
         "@azure-tools/typespec-azure-core": "~0.66.0",
         "@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/typespec-client-generator-core": "~0.67.0-dev.6",
         "@types/js-yaml": "~4.0.5",
         "@types/node": "~25.0.2",
         "@types/semver": "7.5.8",
@@ -53,7 +53,7 @@
         "@azure-tools/typespec-azure-core": ">=0.66.0 <1.0.0",
         "@azure-tools/typespec-azure-resource-manager": ">=0.66.0 <1.0.0",
         "@azure-tools/typespec-azure-rulesets": ">=0.65.1 <1.0.0",
-        "@azure-tools/typespec-client-generator-core": ">=0.66.1 <1.0.0",
+        "@azure-tools/typespec-client-generator-core": ">=0.67.0-dev.6 <1.0.0",
         "@typespec/compiler": "^1.10.0",
         "@typespec/events": ">=0.80.0 <1.0.0",
         "@typespec/http": "^1.10.0",
@@ -66,25 +66,25 @@
       }
     },
     "node_modules/@azure-tools/azure-http-specs": {
-      "version": "0.1.0-alpha.38",
-      "resolved": "https://registry.npmjs.org/@azure-tools/azure-http-specs/-/azure-http-specs-0.1.0-alpha.38.tgz",
-      "integrity": "sha512-OkwmMhmSNOV4PO4UA4Tm4ufyA0UPcOrWgZuhybQjWzUq0bbryW9y5ODyknvUV0Z0IOAInW1dUJQ2wRX9pLqNCA==",
+      "version": "0.1.0-alpha.39-dev.2",
+      "resolved": "https://registry.npmjs.org/@azure-tools/azure-http-specs/-/azure-http-specs-0.1.0-alpha.39-dev.2.tgz",
+      "integrity": "sha512-zdztuxkOAvho9oHFLi2DzE79Qnbys5/511FlKNkW+6vA4GfbVlLhNkXsIdIyI4+IkXqiHVtI1JHl9KMdVWlfyQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typespec/spec-api": "^0.1.0-alpha.13",
-        "@typespec/spector": "^0.1.0-alpha.24"
+        "@typespec/spec-api": "^0.1.0-alpha.13 || >=0.1.0-alpha.14-dev <0.1.0-alpha.14",
+        "@typespec/spector": "^0.1.0-alpha.24 || >=0.1.0-alpha.25-dev <0.1.0-alpha.25"
       },
       "engines": {
         "node": ">=20.0.0"
       },
       "peerDependencies": {
-        "@azure-tools/typespec-azure-core": "^0.66.0",
+        "@azure-tools/typespec-azure-core": "^0.66.0 || >=0.67.0-dev <0.67.0",
         "@typespec/compiler": "^1.10.0",
         "@typespec/http": "^1.10.0",
-        "@typespec/rest": "^0.80.0",
-        "@typespec/versioning": "^0.80.0",
-        "@typespec/xml": "^0.80.0"
+        "@typespec/rest": "^0.80.0 || >=0.81.0-dev <0.81.0",
+        "@typespec/versioning": "^0.80.0 || >=0.81.0-dev <0.81.0",
+        "@typespec/xml": "^0.80.0 || >=0.81.0-dev <0.81.0"
       }
     },
     "node_modules/@azure-tools/typespec-autorest": {
@@ -167,9 +167,9 @@
       }
     },
     "node_modules/@azure-tools/typespec-client-generator-core": {
-      "version": "0.66.1",
-      "resolved": "https://registry.npmjs.org/@azure-tools/typespec-client-generator-core/-/typespec-client-generator-core-0.66.1.tgz",
-      "integrity": "sha512-aGxEeuk5fqeb9YfalNWTQtAVLIzPkbxObcmCH02XtHvd4Vd2u1hy4l714OB3rz0V+xR30IOSRGLfFnbEv3c1oA==",
+      "version": "0.67.0-dev.6",
+      "resolved": "https://registry.npmjs.org/@azure-tools/typespec-client-generator-core/-/typespec-client-generator-core-0.67.0-dev.6.tgz",
+      "integrity": "sha512-hXlSxzSGDN/A2yJ3F679ZX7UKrMDpBvthCc3ZsFcpf4hHzoakEGjfguPSQgWCrSh2XDVT6eZbmy7khYaNwwYtQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -181,16 +181,16 @@
         "node": ">=20.0.0"
       },
       "peerDependencies": {
-        "@azure-tools/typespec-azure-core": "^0.66.0",
+        "@azure-tools/typespec-azure-core": "^0.66.0 || >=0.67.0-dev <0.67.0",
         "@typespec/compiler": "^1.10.0",
-        "@typespec/events": "^0.80.0",
+        "@typespec/events": "^0.80.0 || >=0.81.0-dev <0.81.0",
         "@typespec/http": "^1.10.0",
         "@typespec/openapi": "^1.10.0",
-        "@typespec/rest": "^0.80.0",
-        "@typespec/sse": "^0.80.0",
-        "@typespec/streams": "^0.80.0",
-        "@typespec/versioning": "^0.80.0",
-        "@typespec/xml": "^0.80.0"
+        "@typespec/rest": "^0.80.0 || >=0.81.0-dev <0.81.0",
+        "@typespec/sse": "^0.80.0 || >=0.81.0-dev <0.81.0",
+        "@typespec/streams": "^0.80.0 || >=0.81.0-dev <0.81.0",
+        "@typespec/versioning": "^0.80.0 || >=0.81.0-dev <0.81.0",
+        "@typespec/xml": "^0.80.0 || >=0.81.0-dev <0.81.0"
       }
     },
     "node_modules/@azure/abort-controller": {
diff --git a/packages/http-client-python/package.json b/packages/http-client-python/package.json
index c5305783f37..547effda550 100644
--- a/packages/http-client-python/package.json
+++ b/packages/http-client-python/package.json
@@ -58,7 +58,7 @@
     "@azure-tools/typespec-azure-core": ">=0.66.0 <1.0.0",
     "@azure-tools/typespec-azure-resource-manager": ">=0.66.0 <1.0.0",
     "@azure-tools/typespec-azure-rulesets": ">=0.65.1 <1.0.0",
-    "@azure-tools/typespec-client-generator-core": ">=0.66.1 <1.0.0",
+    "@azure-tools/typespec-client-generator-core": ">=0.67.0-dev.6 <1.0.0",
     "@typespec/compiler": "^1.10.0",
     "@typespec/http": "^1.10.0",
     "@typespec/openapi": "^1.10.0",
@@ -81,8 +81,8 @@
     "@azure-tools/typespec-azure-core": "~0.66.0",
     "@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.38",
+    "@azure-tools/typespec-client-generator-core": "~0.67.0-dev.6",
+    "@azure-tools/azure-http-specs": "0.1.0-alpha.39-dev.2",
     "@typespec/compiler": "^1.10.0",
     "@typespec/http": "^1.10.0",
     "@typespec/openapi": "^1.10.0",