diff --git a/docs/source/conf.py b/docs/source/conf.py
index d383d09..1ee385c 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -9,7 +9,7 @@
 project = "e2xauthoring"
 copyright = "2023, Tim Metzler"
 author = "Tim Metzler"
-release = "0.3.0-dev3"
+release = "0.3.0-dev4"
 github_project_url = "https://github.com/Digiklausur/e2xauthoring"
 
 # -- General configuration ---------------------------------------------------
diff --git a/e2xauthoring/__version__.py b/e2xauthoring/__version__.py
index 6bdfdcb..efca257 100644
--- a/e2xauthoring/__version__.py
+++ b/e2xauthoring/__version__.py
@@ -1 +1 @@
-__version__ = "0.3.0-dev3"
+__version__ = "0.3.0-dev4"
diff --git a/package-lock.json b/package-lock.json
index 46cce0c..95b6261 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "e2xauthoring",
-  "version": "0.3.0-dev3",
+  "version": "0.3.0-dev4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "e2xauthoring",
-      "version": "0.3.0-dev3",
+      "version": "0.3.0-dev4",
       "hasInstallScript": true,
       "license": "MIT",
       "workspaces": [
@@ -24458,7 +24458,7 @@
     },
     "packages/api": {
       "name": "@e2xauthoring/api",
-      "version": "0.3.0-dev3",
+      "version": "0.3.0-dev4",
       "license": "MIT",
       "devDependencies": {
         "webpack": "^5.73.0",
@@ -24467,9 +24467,9 @@
     },
     "packages/app": {
       "name": "@e2xauthoring/app",
-      "version": "0.3.0-dev3",
+      "version": "0.3.0-dev4",
       "dependencies": {
-        "@e2xauthoring/api": "0.3.0-dev3",
+        "@e2xauthoring/api": "0.3.0-dev4",
         "@emotion/react": "^11.10.0",
         "@emotion/styled": "^11.10.0",
         "@fontsource/roboto": "^4.5.8",
@@ -25864,7 +25864,7 @@
     "@e2xauthoring/app": {
       "version": "file:packages/app",
       "requires": {
-        "@e2xauthoring/api": "0.3.0-dev3",
+        "@e2xauthoring/api": "0.3.0-dev4",
         "@emotion/react": "^11.10.0",
         "@emotion/styled": "^11.10.0",
         "@fontsource/roboto": "^4.5.8",
diff --git a/package.json b/package.json
index e01a31a..f440d74 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "workspaces": [
     "packages/*"
   ],
-  "version": "0.3.0-dev3",
+  "version": "0.3.0-dev4",
   "description": "An app for e2xgrader",
   "scripts": {
     "install": "lerna run bootstrap",
diff --git a/packages/api/package.json b/packages/api/package.json
index 26f6966..6b967da 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@e2xauthoring/api",
-  "version": "0.3.0-dev3",
+  "version": "0.3.0-dev4",
   "main": "lib/index.js",
   "description": "api functions for e2xauthoring",
   "scripts": {
diff --git a/packages/app/package.json b/packages/app/package.json
index f1071d9..f8d2809 100644
--- a/packages/app/package.json
+++ b/packages/app/package.json
@@ -1,10 +1,10 @@
 {
   "name": "@e2xauthoring/app",
   "homepage": "e2x/authoring",
-  "version": "0.3.0-dev3",
+  "version": "0.3.0-dev4",
   "private": true,
   "dependencies": {
-    "@e2xauthoring/api": "0.3.0-dev3",
+    "@e2xauthoring/api": "0.3.0-dev4",
     "@emotion/react": "^11.10.0",
     "@emotion/styled": "^11.10.0",
     "@fontsource/roboto": "^4.5.8",
diff --git a/pyproject.toml b/pyproject.toml
index 9a68bad..f23949a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,7 +60,7 @@ artifacts = [
 github_url = "https://github.com/Digiklausur/e2xauthoring/"
 
 [tool.tbump.version]
-current = "0.3.0-dev3"
+current = "0.3.0-dev4"
 
 regex = '''
   (?P<major>\d+)