diff --git a/package-lock.json b/package-lock.json
index 41388ba6e6..ef070364a6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5556,7 +5556,8 @@
     },
     "node_modules/@types/ws": {
       "version": "6.0.4",
-      "license": "MIT",
+      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-6.0.4.tgz",
+      "integrity": "sha512-PpPrX7SZW9re6+Ha8ojZG4Se8AZXgf0GK6zmfqEuCsY49LFDNXO3SByp44X3dFEqtB73lkCDAdUazhAjVPiNwg==",
       "dependencies": {
         "@types/node": "*"
       }
@@ -7001,72 +7002,47 @@
       "dev": true
     },
     "node_modules/botframework-directlinejs": {
-      "version": "0.15.8",
-      "resolved": "https://registry.npmjs.org/botframework-directlinejs/-/botframework-directlinejs-0.15.8.tgz",
-      "integrity": "sha512-w/rt2NPSuKMU02zFuJ5E456j2xjAJskgaR6L0sEb6/osmC+zcRlP9ghAjKEmgO9Bquu9NYVwVtahIiRCdKpqDA==",
-      "license": "MIT",
+      "version": "0.15.9-master.cc19519",
+      "resolved": "https://registry.npmjs.org/botframework-directlinejs/-/botframework-directlinejs-0.15.9-master.cc19519.tgz",
+      "integrity": "sha512-oJG7wICfAy9MIX9hiJX/VtzXSCVXbF2GCFOulVQsxr7yLp+HmPPu7CAbvEQOCZ4DYh1wr/sENt5EauNj2KB9Qw==",
       "dependencies": {
-        "@babel/runtime": "7.26.10",
-        "botframework-streaming": "4.23.0",
+        "@babel/runtime": "^7.29.7",
+        "botframework-streaming": "^4.23.3",
         "buffer": "6.0.3",
-        "core-js": "3.15.2",
+        "core-js": "^3.49.0",
         "cross-fetch": "^3.1.5",
         "jwt-decode": "3.1.2",
         "rxjs": "5.5.12",
-        "url-search-params-polyfill": "8.1.1"
-      }
-    },
-    "node_modules/botframework-directlinejs/node_modules/@babel/runtime": {
-      "version": "7.26.10",
-      "license": "MIT",
-      "dependencies": {
-        "regenerator-runtime": "^0.14.0"
-      },
-      "engines": {
-        "node": ">=6.9.0"
-      }
-    },
-    "node_modules/botframework-directlinejs/node_modules/core-js": {
-      "version": "3.15.2",
-      "hasInstallScript": true,
-      "license": "MIT",
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/core-js"
+        "url-search-params-polyfill": "^8.2.5"
       }
     },
     "node_modules/botframework-directlinejs/node_modules/jwt-decode": {
       "version": "3.1.2",
       "license": "MIT"
     },
-    "node_modules/botframework-directlinejs/node_modules/url-search-params-polyfill": {
-      "version": "8.1.1",
-      "license": "MIT"
-    },
     "node_modules/botframework-directlinespeech-sdk": {
       "resolved": "packages/directlinespeech",
       "link": true
     },
     "node_modules/botframework-streaming": {
-      "version": "4.23.0",
-      "license": "MIT",
+      "version": "4.23.3",
+      "resolved": "https://registry.npmjs.org/botframework-streaming/-/botframework-streaming-4.23.3.tgz",
+      "integrity": "sha512-GMtciQGfZXtAW6syUqFpFJQ2vDyVbpxL3T1DqFzq/GmmkAu7KTZ1zvo7PTww6+IT1kMW0lmL/XZJVq3Rhg4PQA==",
       "dependencies": {
-        "@types/node": "^10.17.27",
         "@types/ws": "^6.0.3",
-        "uuid": "^8.3.2",
+        "uuid": "^10.0.0",
         "ws": "^7.5.10"
       }
     },
-    "node_modules/botframework-streaming/node_modules/@types/node": {
-      "version": "10.17.60",
-      "license": "MIT"
-    },
     "node_modules/botframework-streaming/node_modules/uuid": {
-      "version": "8.3.2",
-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
-      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-10.0.0.tgz",
+      "integrity": "sha512-8XkAphELsDnEGrDxUOHB3RGvXz6TeuYSGEZBOjtTtPm2lwhGBjLgOzLHB63IUWfBpNucQjND6d3AOudO+H3RWQ==",
       "deprecated": "uuid@10 and below is no longer supported.  For ESM codebases, update to uuid@latest.  For CommonJS codebases, use uuid@11 (but be aware this version will likely be deprecated in 2028).",
-      "license": "MIT",
+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
       "bin": {
         "uuid": "dist/bin/uuid"
       }
@@ -17540,10 +17516,6 @@
         "node": ">=4"
       }
     },
-    "node_modules/regenerator-runtime": {
-      "version": "0.14.1",
-      "license": "MIT"
-    },
     "node_modules/regex": {
       "version": "6.1.0",
       "resolved": "https://registry.npmjs.org/regex/-/regex-6.1.0.tgz",
@@ -21357,8 +21329,8 @@
         "typescript": "^6.0.3"
       },
       "peerDependencies": {
-        "react": "^16.8.6",
-        "react-chain-of-responsibility": "^0.4.2"
+        "react": ">= 16.8.6",
+        "react-chain-of-responsibility": "0.4.2"
       }
     },
     "packages/api-middleware/node_modules/type-fest": {
@@ -21472,7 +21444,7 @@
       "dependencies": {
         "@babel/runtime": "7.29.7",
         "adaptivecards": "3.0.6",
-        "botframework-directlinejs": "0.15.8",
+        "botframework-directlinejs": "^0.15.9-master.cc19519",
         "botframework-directlinespeech-sdk": "0.0.0-0",
         "botframework-webchat-api": "0.0.0-0",
         "botframework-webchat-component": "0.0.0-0",
@@ -22214,7 +22186,7 @@
         "@types/node": "^25.9.1",
         "babel-plugin-istanbul": "^8.0.0",
         "babel-plugin-transform-inline-environment-variables": "^0.4.4",
-        "botframework-directlinejs": "^0.15.8",
+        "botframework-directlinejs": "^0.15.9-master.cc19519",
         "cross-env": "^10.1.0",
         "tsd": "^0.33.0",
         "type-fest": "^5.6.0",
@@ -23683,7 +23655,7 @@
       "name": "@msinternal/botframework-directlinejs",
       "version": "0.0.0-0",
       "dependencies": {
-        "botframework-directlinejs": "0.15.8"
+        "botframework-directlinejs": "^0.15.9-master.cc19519"
       },
       "devDependencies": {
         "esbuild": "^0.28.0"
diff --git a/packages/bundle/package.json b/packages/bundle/package.json
index c42d079301..595b785af2 100644
--- a/packages/bundle/package.json
+++ b/packages/bundle/package.json
@@ -271,7 +271,7 @@
   "dependencies": {
     "@babel/runtime": "7.29.7",
     "adaptivecards": "3.0.6",
-    "botframework-directlinejs": "0.15.8",
+    "botframework-directlinejs": "^0.15.9-master.cc19519",
     "botframework-directlinespeech-sdk": "0.0.0-0",
     "botframework-webchat-api": "0.0.0-0",
     "botframework-webchat-component": "0.0.0-0",
diff --git a/packages/core/package.json b/packages/core/package.json
index e060290b48..ac9ef7b1a5 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -171,7 +171,7 @@
     "@types/node": "^25.9.1",
     "babel-plugin-istanbul": "^8.0.0",
     "babel-plugin-transform-inline-environment-variables": "^0.4.4",
-    "botframework-directlinejs": "^0.15.8",
+    "botframework-directlinejs": "^0.15.9-master.cc19519",
     "cross-env": "^10.1.0",
     "tsd": "^0.33.0",
     "type-fest": "^5.6.0",
diff --git a/packages/repack/botframework-directlinejs/package.json b/packages/repack/botframework-directlinejs/package.json
index cc045808df..3bdde95619 100644
--- a/packages/repack/botframework-directlinejs/package.json
+++ b/packages/repack/botframework-directlinejs/package.json
@@ -22,7 +22,7 @@
   "pinDependencies": {},
   "localDependencies": {},
   "dependencies": {
-    "botframework-directlinejs": "0.15.8"
+    "botframework-directlinejs": "^0.15.9-master.cc19519"
   },
   "devDependencies": {
     "esbuild": "^0.28.0"