diff --git a/package-lock.json b/package-lock.json
index 28417242..fba8489e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -283,7 +283,7 @@
       }
     },
     "apps/demo-react": {
-      "version": "0.2.4",
+      "version": "0.2.5",
       "dependencies": {
         "@testing-library/jest-dom": "^5.16.5",
         "@testing-library/react": "^13.4.0",
@@ -299,7 +299,7 @@
         "react-router-dom": "^6.8.2",
         "react-scripts": "5.0.1",
         "sort-by": "^1.2.0",
-        "thebe-react": "^0.3.0",
+        "thebe-react": "^0.3.3",
         "typescript": "^4.9.5",
         "web-vitals": "^2.1.4"
       },
@@ -38724,7 +38724,7 @@
     },
     "packages/core": {
       "name": "thebe-core",
-      "version": "0.3.2",
+      "version": "0.3.3",
       "license": "MIT",
       "dependencies": {
         "@jupyter-widgets/base": "^6.0.1",
@@ -38769,7 +38769,7 @@
         "npm-run-all": "^4.1.5",
         "prettier": "^2.7.1",
         "style-loader": "^3.3.1",
-        "thebe-lite": "^0.3.2",
+        "thebe-lite": "^0.3.3",
         "ts-jest": "^29.0.5",
         "ts-loader": "^9.3.1",
         "ts-node": "^10.9.1",
@@ -38780,7 +38780,7 @@
         "webpack-merge": "^5.8.0"
       },
       "peerDependencies": {
-        "thebe-lite": "^0.3.2"
+        "thebe-lite": "^0.3.3"
       }
     },
     "packages/core/node_modules/ansi-styles": {
@@ -38931,7 +38931,7 @@
     },
     "packages/lite": {
       "name": "thebe-lite",
-      "version": "0.3.2",
+      "version": "0.3.3",
       "license": "MIT",
       "dependencies": {
         "@jupyterlab/coreutils": "^5.6.3",
@@ -39038,13 +39038,13 @@
     },
     "packages/react": {
       "name": "thebe-react",
-      "version": "0.3.2",
+      "version": "0.3.3",
       "license": "MIT",
       "dependencies": {
         "@jupyterlab/nbformat": "^3.5.0",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
-        "thebe-core": "^0.3.2"
+        "thebe-core": "^0.3.3"
       },
       "devDependencies": {
         "@types/react": "^18.0.0",
@@ -39057,14 +39057,14 @@
       }
     },
     "packages/thebe": {
-      "version": "0.9.0-rc.8",
+      "version": "0.9.0-rc.9",
       "license": "BSD-3-Clause",
       "dependencies": {
         "@jupyterlab/codemirror": "3.6.5",
         "@jupyterlab/theme-light-extension": "^3.0.0",
         "codemirror": "5.61.1",
         "current-script-polyfill": "^1.0.0",
-        "thebe-core": "^0.3.2"
+        "thebe-core": "^0.3.3"
       },
       "devDependencies": {
         "@babel/core": "^7.12.3",
@@ -43076,7 +43076,7 @@
         "@jupyterlab/apputils": "^3.6.1",
         "@jupyterlab/attachments": "^3.6.1",
         "@jupyterlab/codeeditor": "^3.6.1",
-        "@jupyterlab/codemirror": "^3.6.1",
+        "@jupyterlab/codemirror": "3.6.5",
         "@jupyterlab/coreutils": "^5.6.1",
         "@jupyterlab/filebrowser": "^3.6.1",
         "@jupyterlab/nbformat": "^3.6.1",
@@ -43235,7 +43235,7 @@
         "@jupyter/ydoc": "~0.2.0",
         "@jupyterlab/apputils": "^3.6.1",
         "@jupyterlab/codeeditor": "^3.6.1",
-        "@jupyterlab/codemirror": "^3.6.1",
+        "@jupyterlab/codemirror": "3.6.5",
         "@jupyterlab/coreutils": "^5.6.1",
         "@jupyterlab/docprovider": "^3.6.1",
         "@jupyterlab/observables": "^4.6.1",
@@ -43478,7 +43478,7 @@
       "integrity": "sha512-v4YHIxSd+0foqyzTaloBPevdYUBgZ4Tk1uuXzTdCVIdceS9MG76UfjBu8EPl86AZI8R2ihlHh01pxpgLX0Smdw==",
       "requires": {
         "@jupyterlab/apputils": "^3.6.1",
-        "@jupyterlab/codemirror": "^3.6.1",
+        "@jupyterlab/codemirror": "3.6.5",
         "@jupyterlab/coreutils": "^5.6.1",
         "@jupyterlab/nbformat": "^3.6.1",
         "@jupyterlab/observables": "^4.6.1",
@@ -43631,7 +43631,7 @@
         "@jupyterlab/apputils": "^3.6.1",
         "@jupyterlab/cells": "^3.6.1",
         "@jupyterlab/codeeditor": "^3.6.1",
-        "@jupyterlab/codemirror": "^3.6.1",
+        "@jupyterlab/codemirror": "3.6.5",
         "@jupyterlab/coreutils": "^5.6.1",
         "@jupyterlab/docregistry": "^3.6.1",
         "@jupyterlab/nbformat": "^3.6.1",
@@ -50631,7 +50631,7 @@
         "react-scripts": "5.0.1",
         "sort-by": "^1.2.0",
         "tailwindcss": "^3.2.7",
-        "thebe-react": "^0.3.0",
+        "thebe-react": "^0.3.3",
         "typescript": "^4.9.5",
         "web-vitals": "^2.1.4"
       },
@@ -66189,7 +66189,7 @@
         "puppeteer": ">=1.5.0",
         "source-map-loader": "^4.0.1",
         "style-loader": "^2.0.0",
-        "thebe-core": "^0.3.2",
+        "thebe-core": "^0.3.3",
         "ts-jest": "^28.0.5",
         "ts-loader": "^9.3.1",
         "url-loader": "^4.1.1",
@@ -66718,7 +66718,7 @@
         "npm-run-all": "^4.1.5",
         "prettier": "^2.7.1",
         "style-loader": "^3.3.1",
-        "thebe-lite": "^0.3.2",
+        "thebe-lite": "^0.3.3",
         "ts-jest": "^29.0.5",
         "ts-loader": "^9.3.1",
         "ts-node": "^10.9.1",
@@ -66864,7 +66864,7 @@
         "npm-run-all": "latest",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
-        "thebe-core": "^0.3.2",
+        "thebe-core": "^0.3.3",
         "ts-jest": "^29.0.5",
         "ts-node": "^10.9.1"
       }
diff --git a/packages/thebe/package.json b/packages/thebe/package.json
index 7cd22323..52ba671f 100644
--- a/packages/thebe/package.json
+++ b/packages/thebe/package.json
@@ -1,6 +1,6 @@
 {
   "name": "thebe",
-  "version": "0.9.0-rc.8",
+  "version": "0.9.0-rc.9",
   "description": "Thebe: turn static HTML pages into live documents",
   "main": "lib/index.js",
   "style": "lib/thebe.css",
@@ -61,7 +61,7 @@
   "dependencies": {
     "@jupyterlab/theme-light-extension": "^3.0.0",
     "@jupyterlab/codemirror": "3.6.5",
-    "thebe-core": "^0.3.2",
+    "thebe-core": "^0.3.3",
     "codemirror": "5.61.1",
     "current-script-polyfill": "^1.0.0"
   },