diff --git a/examples/workflow-server/package.json b/examples/workflow-server/package.json
index 93effb8..67f835e 100644
--- a/examples/workflow-server/package.json
+++ b/examples/workflow-server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@eclipse-glsp-examples/workflow-server",
-  "version": "1.1.0-next",
+  "version": "1.1.0-RC09",
   "description": "GLSP node server for the workflow example",
   "keywords": [
     "eclipse",
@@ -59,8 +59,8 @@
     "watch": "tsc -w"
   },
   "dependencies": {
-    "@eclipse-glsp/layout-elk": "1.1.0-next",
-    "@eclipse-glsp/server": "1.1.0-next"
+    "@eclipse-glsp/layout-elk": "1.1.0-RC09",
+    "@eclipse-glsp/server": "1.1.0-RC09"
   },
   "devDependencies": {
     "source-map-loader": "^4.0.1",
diff --git a/lerna.json b/lerna.json
index b2b99ec..d930fc6 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,6 +1,6 @@
 {
   "lerna": "2.4.0",
-  "version": "1.0.0",
+  "version": "1.1.0-RC09",
   "useWorkspaces": true,
   "npmClient": "yarn",
   "command": {
diff --git a/package.json b/package.json
index 5d2a724..4234e7d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "parent",
-  "version": "1.0.0",
+  "version": "1.1.0-RC09",
   "private": true,
   "workspaces": [
     "packages/*",
diff --git a/packages/graph/package.json b/packages/graph/package.json
index 9e97aa3..c62035b 100644
--- a/packages/graph/package.json
+++ b/packages/graph/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@eclipse-glsp/graph",
-  "version": "1.1.0-next",
+  "version": "1.1.0-RC09",
   "description": "The typescript implementation of the GLSP graphical model (GModel)",
   "keywords": [
     "eclipse",
@@ -50,7 +50,7 @@
     "watch": "tsc -w"
   },
   "dependencies": {
-    "@eclipse-glsp/protocol": "next"
+    "@eclipse-glsp/protocol": "1.1.0-RC09"
   },
   "devDependencies": {
     "@types/uuid": "8.3.1"
diff --git a/packages/layout-elk/package.json b/packages/layout-elk/package.json
index 7ed81c2..7d7f8c2 100644
--- a/packages/layout-elk/package.json
+++ b/packages/layout-elk/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@eclipse-glsp/layout-elk",
-  "version": "1.1.0-next",
+  "version": "1.1.0-RC09",
   "description": "Integration of ELK graph layout algorithms in GLSP Node Server",
   "keywords": [
     "eclipse",
@@ -50,7 +50,7 @@
     "watch": "tsc -w"
   },
   "dependencies": {
-    "@eclipse-glsp/server": "1.1.0-next",
+    "@eclipse-glsp/server": "1.1.0-RC09",
     "elkjs": "^0.7.1",
     "sprotty-elk": "0.12.0"
   },
diff --git a/packages/server/package.json b/packages/server/package.json
index 1fb75e2..92d045c 100644
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@eclipse-glsp/server",
-  "version": "1.1.0-next",
+  "version": "1.1.0-RC09",
   "description": "A js server framework for Eclipse GLSP",
   "keywords": [
     "eclipse",
@@ -59,8 +59,8 @@
     "watch": "tsc -w"
   },
   "dependencies": {
-    "@eclipse-glsp/graph": "1.1.0-next",
-    "@eclipse-glsp/protocol": "next",
+    "@eclipse-glsp/graph": "1.1.0-RC09",
+    "@eclipse-glsp/protocol": "1.1.0-RC09",
     "@types/uuid": "8.3.1",
     "commander": "^8.3.0",
     "fast-json-patch": "^3.1.0",
diff --git a/yarn.lock b/yarn.lock
index c0ecc4b..9203c75 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -303,10 +303,10 @@
   dependencies:
     prettier-plugin-packagejson "^2.3.0"
 
-"@eclipse-glsp/protocol@next":
-  version "1.1.0-next.697cc23.237"
-  resolved "https://registry.yarnpkg.com/@eclipse-glsp/protocol/-/protocol-1.1.0-next.697cc23.237.tgz#9d6190d88ee944d27a7e6a1d9bed91d0f454149b"
-  integrity sha512-qX/WgWnAZ+D8Dj8wiyezaX8a0JNi5+KSDz2TKZBktRfDEoee2sngyru3m5AQ0kt2dVLuA5isVyHRIaHb8wks7Q==
+"@eclipse-glsp/protocol@1.1.0-RC09":
+  version "1.1.0-RC09"
+  resolved "https://registry.yarnpkg.com/@eclipse-glsp/protocol/-/protocol-1.1.0-RC09.tgz#5985a82c62342bae921a687246e7101595d9d4d2"
+  integrity sha512-mq3qV4LeIAXU+hezGfHibjXqTF6GryK7hjRMajLfGrViJIj2MKza6qC17earWGXEX2qxk8Ha4c6TS6QeYt/5Ag==
   dependencies:
     sprotty-protocol "0.13.0-next.f4445dd.342"
     uuid "7.0.3"