diff --git a/Composer/packages/client/package.json b/Composer/packages/client/package.json
index 1f8f443f3a..bc9dd4e876 100644
--- a/Composer/packages/client/package.json
+++ b/Composer/packages/client/package.json
@@ -31,7 +31,7 @@
     "@bfc/ui-plugin-select-skill-dialog": "*",
     "@bfc/visual-designer": "*",
     "@emotion/core": "^10.0.7",
-    "@microsoft/bf-lu": "4.9.0-RC4",
+    "@microsoft/bf-lu": "4.9.0-RC6",
     "@reach/router": "^1.2.1",
     "@uifabric/fluent-theme": "^7.1.13",
     "@uifabric/icons": "^7.3.4",
diff --git a/Composer/packages/lib/bot-deploy/package.json b/Composer/packages/lib/bot-deploy/package.json
index 9b86b807da..3f5805ceaa 100644
--- a/Composer/packages/lib/bot-deploy/package.json
+++ b/Composer/packages/lib/bot-deploy/package.json
@@ -18,8 +18,8 @@
     "@azure/graph": "^5.0.1",
     "@azure/ms-rest-browserauth": "^0.1.4",
     "@azure/ms-rest-nodeauth": "^3.0.3",
-    "@microsoft/bf-lu": "4.9.0-RC4",
-    "@microsoft/bf-luis-cli": "4.9.0-RC4",
+    "@microsoft/bf-lu": "4.9.0-RC6",
+    "@microsoft/bf-luis-cli": "4.9.0-RC6",
     "@types/archiver": "^3.1.0",
     "@types/fs-extra": "^8.1.0",
     "@types/request": "^2.48.4",
diff --git a/Composer/packages/lib/indexers/package.json b/Composer/packages/lib/indexers/package.json
index 22d2a25486..eedf5c886e 100644
--- a/Composer/packages/lib/indexers/package.json
+++ b/Composer/packages/lib/indexers/package.json
@@ -28,7 +28,7 @@
   },
   "dependencies": {
     "@bfc/shared": "*",
-    "@microsoft/bf-lu": "4.9.0-RC4",
+    "@microsoft/bf-lu": "4.9.0-RC6",
     "adaptive-expressions": "^4.8.0-preview-110700",
     "botbuilder-lg": "^4.9.0-preview-119754",
     "lodash": "^4.17.15"
diff --git a/Composer/packages/server/package.json b/Composer/packages/server/package.json
index 889868cb4e..a9491aa91b 100644
--- a/Composer/packages/server/package.json
+++ b/Composer/packages/server/package.json
@@ -62,8 +62,8 @@
     "@bfc/lu-languageserver": "*",
     "@bfc/plugin-loader": "*",
     "@bfc/shared": "*",
-    "@microsoft/bf-dispatcher": "4.9.0-RC4",
-    "@microsoft/bf-lu": "4.9.0-RC4",
+    "@microsoft/bf-dispatcher": "4.9.0-RC6",
+    "@microsoft/bf-lu": "4.9.0-RC6",
     "archiver": "^3.0.0",
     "axios": "^0.19.2",
     "azure-storage": "^2.10.3",
diff --git a/Composer/packages/tools/language-servers/language-understanding/package.json b/Composer/packages/tools/language-servers/language-understanding/package.json
index a41368fd85..320d2275b6 100644
--- a/Composer/packages/tools/language-servers/language-understanding/package.json
+++ b/Composer/packages/tools/language-servers/language-understanding/package.json
@@ -18,8 +18,8 @@
     "start:server": "cd demo && ts-node ./src/server.ts"
   },
   "dependencies": {
-    "@microsoft/bf-cli-command": "4.9.0-RC4",
-    "@microsoft/bf-lu": "4.9.0-RC4",
+    "@microsoft/bf-cli-command": "4.9.0-RC6",
+    "@microsoft/bf-lu": "4.9.0-RC6",
     "express": "^4.15.2",
     "monaco-languageclient": "^0.10.0",
     "normalize-url": "^2.0.1",
diff --git a/Composer/yarn.lock b/Composer/yarn.lock
index 31a49a3386..68853d317c 100644
--- a/Composer/yarn.lock
+++ b/Composer/yarn.lock
@@ -2797,9 +2797,9 @@
     "@types/yargs" "^15.0.0"
     chalk "^3.0.0"
 
-"@microsoft/bf-cli-command@4.9.0-RC4":
-  version "4.9.0-RC4"
-  resolved "https://botbuilder.myget.org/F/botframework-cli/npm/@microsoft/bf-cli-command/-/@microsoft/bf-cli-command-4.9.0-RC4.tgz#43d5f2902ee3816a40d0fb8bbfea73094e043503"
+"@microsoft/bf-cli-command@4.9.0-RC6":
+  version "4.9.0-RC6"
+  resolved "https://botbuilder.myget.org/F/botframework-cli/npm/@microsoft/bf-cli-command/-/@microsoft/bf-cli-command-4.9.0-RC6.tgz#fb52f9d723f9844338092def5c5e160bf0227110"
   dependencies:
     "@oclif/command" "~1.5.19"
     "@oclif/config" "~1.13.3"
@@ -2811,20 +2811,20 @@
     fs-extra "^7.0.1"
     tslib "~1.10.0"
 
-"@microsoft/bf-dispatcher@4.9.0-RC4":
-  version "4.9.0-RC4"
-  resolved "https://botbuilder.myget.org/F/botframework-cli/npm/@microsoft/bf-dispatcher/-/@microsoft/bf-dispatcher-4.9.0-RC4.tgz#83db7cab0b2ba51d50470a3026f1a7db9ae1bb78"
+"@microsoft/bf-dispatcher@4.9.0-RC6":
+  version "4.9.0-RC6"
+  resolved "https://botbuilder.myget.org/F/botframework-cli/npm/@microsoft/bf-dispatcher/-/@microsoft/bf-dispatcher-4.9.0-RC6.tgz#79cd6bc440d25b8f6aa090692bbd0f77a6d45f56"
   dependencies:
-    "@microsoft/bf-lu" "4.9.0-RC4"
+    "@microsoft/bf-lu" "4.9.0-RC6"
     "@oclif/command" "~1.5.19"
     "@oclif/config" "~1.13.3"
     argparse "~1.0.10"
     tslib "^1.10.0"
 
-"@microsoft/bf-lu@4.9.0-RC4":
-  version "4.9.0-RC4"
-  uid "493aa5710aabf3acddf4ca0be10e0f157516f93a"
-  resolved "https://botbuilder.myget.org/F/botframework-cli/npm/@microsoft/bf-lu/-/@microsoft/bf-lu-4.9.0-RC4.tgz#493aa5710aabf3acddf4ca0be10e0f157516f93a"
+"@microsoft/bf-lu@4.9.0-RC6":
+  version "4.9.0-RC6"
+  uid "8048fe1f449ce64083a1908edc2762cbf2e8e1dd"
+  resolved "https://botbuilder.myget.org/F/botframework-cli/npm/@microsoft/bf-lu/-/@microsoft/bf-lu-4.9.0-RC6.tgz#8048fe1f449ce64083a1908edc2762cbf2e8e1dd"
   dependencies:
     "@azure/cognitiveservices-luis-authoring" "4.0.0-preview.1"
     "@azure/ms-rest-azure-js" "2.0.1"
@@ -2845,15 +2845,15 @@
     semver "^5.5.1"
     tslib "^1.10.0"
 
-"@microsoft/bf-luis-cli@4.9.0-RC4":
-  version "4.9.0-RC4"
-  resolved "https://botbuilder.myget.org/F/botframework-cli/npm/@microsoft/bf-luis-cli/-/@microsoft/bf-luis-cli-4.9.0-RC4.tgz#4941c45d6dc301d464f7fb0f5fcb36ef6dc8c2ca"
+"@microsoft/bf-luis-cli@4.9.0-RC6":
+  version "4.9.0-RC6"
+  resolved "https://botbuilder.myget.org/F/botframework-cli/npm/@microsoft/bf-luis-cli/-/@microsoft/bf-luis-cli-4.9.0-RC6.tgz#231d0292889cbdca394afc38914664a3e4ebd2f0"
   dependencies:
     "@azure/cognitiveservices-luis-authoring" "4.0.0-preview.1"
     "@azure/cognitiveservices-luis-runtime" "5.0.0"
     "@azure/ms-rest-azure-js" "2.0.1"
-    "@microsoft/bf-cli-command" "4.9.0-RC4"
-    "@microsoft/bf-lu" "4.9.0-RC4"
+    "@microsoft/bf-cli-command" "4.9.0-RC6"
+    "@microsoft/bf-lu" "4.9.0-RC6"
     "@oclif/command" "~1.5.19"
     "@oclif/config" "~1.13.3"
     "@oclif/errors" "~1.2.2"