diff --git a/backend/package.json b/backend/package.json
index 67daa797a..a22fc3bf6 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -93,8 +93,8 @@
     "@types/supertest": "2.0.16",
     "@types/uuid": "10.0.0",
     "@types/ws": "8.5.12",
-    "@typescript-eslint/eslint-plugin": "8.11.0",
-    "@typescript-eslint/parser": "8.11.0",
+    "@typescript-eslint/eslint-plugin": "7.18.0",
+    "@typescript-eslint/parser": "7.18.0",
     "eslint": "8.57.1",
     "eslint-config-prettier": "9.1.0",
     "eslint-plugin-import": "2.31.0",
diff --git a/frontend/package.json b/frontend/package.json
index 203b15881..edcd8016c 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -133,10 +133,10 @@
     "@types/katex": "0.16.7",
     "@types/luxon": "3.4.2",
     "@types/markdown-it": "13.0.7",
-    "@types/markdown-it-container": "2.0.10",
-    "@types/markdown-it-plantuml": "1.4.5",
+    "@types/markdown-it-container": "2.0.9",
+    "@types/markdown-it-plantuml": "1.4.4",
     "@types/node": "20.16.2",
-    "@types/react": "18.3.11",
+    "@types/react": "18.3.5",
     "@types/react-dom": "18.3.1",
     "@types/uuid": "10.0.0",
     "@types/ws": "8.5.12",
diff --git a/html-to-react/package.json b/html-to-react/package.json
index 0e0aaacd0..23a073959 100644
--- a/html-to-react/package.json
+++ b/html-to-react/package.json
@@ -50,7 +50,7 @@
   "devDependencies": {
     "@jest/globals": "29.7.0",
     "@jest/types": "29.6.3",
-    "@types/react": "18.3.11",
+    "@types/react": "18.3.5",
     "@types/react-dom": "18.3.1",
     "@typescript-eslint/eslint-plugin": "8.11.0",
     "@typescript-eslint/parser": "8.11.0",
@@ -82,5 +82,8 @@
   "engines": {
     "node": ">=12"
   },
+  "resolutions": {
+    "@types/react": "18.3.5"
+  },
   "packageManager": "yarn@4.4.1"
 }
diff --git a/package.json b/package.json
index 2ed72b9fa..beb51b2eb 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "@lezer/common": "1.2.1",
     "@types/react": "18.3.5",
     "eventemitter2@6.4.9": "patch:eventemitter2@npm%3A6.4.9#./.yarn/patches/eventemitter2-npm-6.4.9-ba37798a18.patch",
-    "yjs@13.6.18": "patch:yjs@npm%3A13.6.18#./.yarn/patches/yjs-remove-import-warning-in-test.patch",
+    "yjs@13.6.20": "patch:yjs@npm%3A13.6.20#./.yarn/patches/yjs-remove-import-warning-in-test.patch",
     "vega-canvas@^1.2.6": "patch:vega-canvas@npm%3A1.2.7#./.yarn/patches/remove-vega-canvas-node.patch",
     "vega-canvas@^1.2.7": "patch:vega-canvas@npm%3A1.2.7#./.yarn/patches/remove-vega-canvas-node.patch",
     "@dicebear/converter@9.2.2": "patch:@dicebear/converter@npm%3A9.2.2#./.yarn/patches/@dicebear-converter-fix-js-file-path.patch"
diff --git a/yarn.lock b/yarn.lock
index 7b5cbee5c..aada85dd6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2590,8 +2590,8 @@ __metadata:
     "@types/supertest": "npm:2.0.16"
     "@types/uuid": "npm:10.0.0"
     "@types/ws": "npm:8.5.12"
-    "@typescript-eslint/eslint-plugin": "npm:8.11.0"
-    "@typescript-eslint/parser": "npm:8.11.0"
+    "@typescript-eslint/eslint-plugin": "npm:7.18.0"
+    "@typescript-eslint/parser": "npm:7.18.0"
     "@zxcvbn-ts/core": "npm:3.0.4"
     "@zxcvbn-ts/language-common": "npm:3.0.4"
     "@zxcvbn-ts/language-en": "npm:3.0.2"
@@ -2722,10 +2722,10 @@ __metadata:
     "@types/katex": "npm:0.16.7"
     "@types/luxon": "npm:3.4.2"
     "@types/markdown-it": "npm:13.0.7"
-    "@types/markdown-it-container": "npm:2.0.10"
-    "@types/markdown-it-plantuml": "npm:1.4.5"
+    "@types/markdown-it-container": "npm:2.0.9"
+    "@types/markdown-it-plantuml": "npm:1.4.4"
     "@types/node": "npm:20.16.2"
-    "@types/react": "npm:18.3.11"
+    "@types/react": "npm:18.3.5"
     "@types/react-dom": "npm:18.3.1"
     "@types/uuid": "npm:10.0.0"
     "@types/ws": "npm:8.5.12"
@@ -2829,7 +2829,7 @@ __metadata:
   dependencies:
     "@jest/globals": "npm:29.7.0"
     "@jest/types": "npm:29.6.3"
-    "@types/react": "npm:18.3.11"
+    "@types/react": "npm:18.3.5"
     "@types/react-dom": "npm:18.3.1"
     "@typescript-eslint/eslint-plugin": "npm:8.11.0"
     "@typescript-eslint/parser": "npm:8.11.0"
@@ -5468,21 +5468,21 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/markdown-it-container@npm:2.0.10":
-  version: 2.0.10
-  resolution: "@types/markdown-it-container@npm:2.0.10"
+"@types/markdown-it-container@npm:2.0.9":
+  version: 2.0.9
+  resolution: "@types/markdown-it-container@npm:2.0.9"
   dependencies:
     "@types/markdown-it": "npm:*"
-  checksum: 10c0/a2e0548974586c463993167dd43a5435c945e86bbd541695d3a7c19a8f18a559c69958d87b9d00e59735bb9a85b82f006932bf24f01e4c27b4c89554797d3d2e
+  checksum: 10c0/8558c477408c2ecd3b9419e3ae6da3bddcd480f440d204fcc0912380037797f8823054eab9920c3a05310badbddece77d799bfb94efcfd6b64fd8a3e81960a44
   languageName: node
   linkType: hard
 
-"@types/markdown-it-plantuml@npm:1.4.5":
-  version: 1.4.5
-  resolution: "@types/markdown-it-plantuml@npm:1.4.5"
+"@types/markdown-it-plantuml@npm:1.4.4":
+  version: 1.4.4
+  resolution: "@types/markdown-it-plantuml@npm:1.4.4"
   dependencies:
     "@types/markdown-it": "npm:*"
-  checksum: 10c0/15199bc58de8254824bdda11992e94a95fecdadbc070d9931ad2fd76d1e28cb3d294e2a063dd497b538e9dcea49cce19ec251b0054341fdd17eefb7a479dbaac
+  checksum: 10c0/b1813578a0e9e4c1dc71eec517a0820814db69df5807b4093a464ceb1a1fb65191cf142129c9dcd58c474113075aab669427817a5ecb9a65fde064d88a6a137a
   languageName: node
   linkType: hard
 
@@ -5773,6 +5773,29 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/eslint-plugin@npm:7.18.0":
+  version: 7.18.0
+  resolution: "@typescript-eslint/eslint-plugin@npm:7.18.0"
+  dependencies:
+    "@eslint-community/regexpp": "npm:^4.10.0"
+    "@typescript-eslint/scope-manager": "npm:7.18.0"
+    "@typescript-eslint/type-utils": "npm:7.18.0"
+    "@typescript-eslint/utils": "npm:7.18.0"
+    "@typescript-eslint/visitor-keys": "npm:7.18.0"
+    graphemer: "npm:^1.4.0"
+    ignore: "npm:^5.3.1"
+    natural-compare: "npm:^1.4.0"
+    ts-api-utils: "npm:^1.3.0"
+  peerDependencies:
+    "@typescript-eslint/parser": ^7.0.0
+    eslint: ^8.56.0
+  peerDependenciesMeta:
+    typescript:
+      optional: true
+  checksum: 10c0/2b37948fa1b0dab77138909dabef242a4d49ab93e4019d4ef930626f0a7d96b03e696cd027fa0087881c20e73be7be77c942606b4a76fa599e6b37f6985304c3
+  languageName: node
+  linkType: hard
+
 "@typescript-eslint/eslint-plugin@npm:8.11.0":
   version: 8.11.0
   resolution: "@typescript-eslint/eslint-plugin@npm:8.11.0"
@@ -5796,6 +5819,24 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/parser@npm:7.18.0":
+  version: 7.18.0
+  resolution: "@typescript-eslint/parser@npm:7.18.0"
+  dependencies:
+    "@typescript-eslint/scope-manager": "npm:7.18.0"
+    "@typescript-eslint/types": "npm:7.18.0"
+    "@typescript-eslint/typescript-estree": "npm:7.18.0"
+    "@typescript-eslint/visitor-keys": "npm:7.18.0"
+    debug: "npm:^4.3.4"
+  peerDependencies:
+    eslint: ^8.56.0
+  peerDependenciesMeta:
+    typescript:
+      optional: true
+  checksum: 10c0/370e73fca4278091bc1b657f85e7d74cd52b24257ea20c927a8e17546107ce04fbf313fec99aed0cc2a145ddbae1d3b12e9cc2c1320117636dc1281bcfd08059
+  languageName: node
+  linkType: hard
+
 "@typescript-eslint/parser@npm:8.11.0":
   version: 8.11.0
   resolution: "@typescript-eslint/parser@npm:8.11.0"
@@ -5842,6 +5883,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/scope-manager@npm:7.18.0":
+  version: 7.18.0
+  resolution: "@typescript-eslint/scope-manager@npm:7.18.0"
+  dependencies:
+    "@typescript-eslint/types": "npm:7.18.0"
+    "@typescript-eslint/visitor-keys": "npm:7.18.0"
+  checksum: 10c0/038cd58c2271de146b3a594afe2c99290034033326d57ff1f902976022c8b0138ffd3cb893ae439ae41003b5e4bcc00cabf6b244ce40e8668f9412cc96d97b8e
+  languageName: node
+  linkType: hard
+
 "@typescript-eslint/scope-manager@npm:7.2.0":
   version: 7.2.0
   resolution: "@typescript-eslint/scope-manager@npm:7.2.0"
@@ -5872,6 +5923,23 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/type-utils@npm:7.18.0":
+  version: 7.18.0
+  resolution: "@typescript-eslint/type-utils@npm:7.18.0"
+  dependencies:
+    "@typescript-eslint/typescript-estree": "npm:7.18.0"
+    "@typescript-eslint/utils": "npm:7.18.0"
+    debug: "npm:^4.3.4"
+    ts-api-utils: "npm:^1.3.0"
+  peerDependencies:
+    eslint: ^8.56.0
+  peerDependenciesMeta:
+    typescript:
+      optional: true
+  checksum: 10c0/ad92a38007be620f3f7036f10e234abdc2fdc518787b5a7227e55fd12896dacf56e8b34578723fbf9bea8128df2510ba8eb6739439a3879eda9519476d5783fd
+  languageName: node
+  linkType: hard
+
 "@typescript-eslint/type-utils@npm:8.11.0":
   version: 8.11.0
   resolution: "@typescript-eslint/type-utils@npm:8.11.0"
@@ -5894,6 +5962,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/types@npm:7.18.0":
+  version: 7.18.0
+  resolution: "@typescript-eslint/types@npm:7.18.0"
+  checksum: 10c0/eb7371ac55ca77db8e59ba0310b41a74523f17e06f485a0ef819491bc3dd8909bb930120ff7d30aaf54e888167e0005aa1337011f3663dc90fb19203ce478054
+  languageName: node
+  linkType: hard
+
 "@typescript-eslint/types@npm:7.2.0":
   version: 7.2.0
   resolution: "@typescript-eslint/types@npm:7.2.0"
@@ -5933,6 +6008,25 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/typescript-estree@npm:7.18.0":
+  version: 7.18.0
+  resolution: "@typescript-eslint/typescript-estree@npm:7.18.0"
+  dependencies:
+    "@typescript-eslint/types": "npm:7.18.0"
+    "@typescript-eslint/visitor-keys": "npm:7.18.0"
+    debug: "npm:^4.3.4"
+    globby: "npm:^11.1.0"
+    is-glob: "npm:^4.0.3"
+    minimatch: "npm:^9.0.4"
+    semver: "npm:^7.6.0"
+    ts-api-utils: "npm:^1.3.0"
+  peerDependenciesMeta:
+    typescript:
+      optional: true
+  checksum: 10c0/0c7f109a2e460ec8a1524339479cf78ff17814d23c83aa5112c77fb345e87b3642616291908dcddea1e671da63686403dfb712e4a4435104f92abdfddf9aba81
+  languageName: node
+  linkType: hard
+
 "@typescript-eslint/typescript-estree@npm:7.2.0":
   version: 7.2.0
   resolution: "@typescript-eslint/typescript-estree@npm:7.2.0"
@@ -5990,6 +6084,20 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/utils@npm:7.18.0":
+  version: 7.18.0
+  resolution: "@typescript-eslint/utils@npm:7.18.0"
+  dependencies:
+    "@eslint-community/eslint-utils": "npm:^4.4.0"
+    "@typescript-eslint/scope-manager": "npm:7.18.0"
+    "@typescript-eslint/types": "npm:7.18.0"
+    "@typescript-eslint/typescript-estree": "npm:7.18.0"
+  peerDependencies:
+    eslint: ^8.56.0
+  checksum: 10c0/a25a6d50eb45c514469a01ff01f215115a4725fb18401055a847ddf20d1b681409c4027f349033a95c4ff7138d28c3b0a70253dfe8262eb732df4b87c547bd1e
+  languageName: node
+  linkType: hard
+
 "@typescript-eslint/utils@npm:8.11.0, @typescript-eslint/utils@npm:^6.0.0 || ^7.0.0 || ^8.0.0":
   version: 8.11.0
   resolution: "@typescript-eslint/utils@npm:8.11.0"
@@ -6046,6 +6154,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/visitor-keys@npm:7.18.0":
+  version: 7.18.0
+  resolution: "@typescript-eslint/visitor-keys@npm:7.18.0"
+  dependencies:
+    "@typescript-eslint/types": "npm:7.18.0"
+    eslint-visitor-keys: "npm:^3.4.3"
+  checksum: 10c0/538b645f8ff1d9debf264865c69a317074eaff0255e63d7407046176b0f6a6beba34a6c51d511f12444bae12a98c69891eb6f403c9f54c6c2e2849d1c1cb73c0
+  languageName: node
+  linkType: hard
+
 "@typescript-eslint/visitor-keys@npm:7.2.0":
   version: 7.2.0
   resolution: "@typescript-eslint/visitor-keys@npm:7.2.0"
@@ -20063,6 +20181,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"yjs@patch:yjs@npm%3A13.6.20#./.yarn/patches/yjs-remove-import-warning-in-test.patch::locator=hedgedoc%40workspace%3A.":
+  version: 13.6.20
+  resolution: "yjs@patch:yjs@npm%3A13.6.20#./.yarn/patches/yjs-remove-import-warning-in-test.patch::version=13.6.20&hash=e7d95b&locator=hedgedoc%40workspace%3A."
+  dependencies:
+    lib0: "npm:^0.2.98"
+  checksum: 10c0/dd989c5454d6089f3e0928e57c931ca1ee5e9e0d55b54095851494f0e14f0dda8614b8e45091a3fb9e56418254a5e61b4f253c1eb476c0ca33c47deef67082da
+  languageName: node
+  linkType: hard
+
 "yocto-queue@npm:^0.1.0":
   version: 0.1.0
   resolution: "yocto-queue@npm:0.1.0"