diff --git a/client/common/configuration/elements/channel-configuration.ts b/client/common/configuration/elements/channel-configuration.ts
index e2a70b4e..ba9db30c 100644
--- a/client/common/configuration/elements/channel-configuration.ts
+++ b/client/common/configuration/elements/channel-configuration.ts
@@ -47,7 +47,8 @@ export class ChannelConfigurationElement extends LivechatElement {
 
   });
 
-  private _saveConfig = () => {
+  private _saveConfig = (ev?: Event) => {
+    ev?.preventDefault()
     if (this._channelDetailsService && this._channelConfiguration) {
       this._channelDetailsService.saveOptions(this._channelConfiguration.channel.id, this._channelConfiguration.configuration)
         .then((value) => {
@@ -183,7 +184,7 @@ export class ChannelConfigurationElement extends LivechatElement {
             </livechat-help-button>
           </h1>
           <p>${ptTr(LOC_LIVECHAT_CONFIGURATION_CHANNEL_DESC)}</p>
-          <form livechat-configuration-channel-options role="form">
+          <form livechat-configuration-channel-options role="form" @submit=${this._saveConfig}>
           <div class="row mt-3">
             <div class="row mt-5">
                 <div class="col-12 col-lg-4 col-xl-3">
@@ -339,7 +340,7 @@ export class ChannelConfigurationElement extends LivechatElement {
               : ''
             }
             <div class="form-group mt-5">
-              <button type="button" class="peertube-button-link orange-button" @click=${this._saveConfig}>${ptTr(LOC_SAVE)}</button>
+              <input type="submit" class="peertube-button-link orange-button" value=${ptTr(LOC_SAVE)} />
             </div>
             ${(this._formStatus && this._formStatus.success === undefined) ?
             html`<div class="alert alert-warning" role="alert">
diff --git a/client/common/lib/elements/dynamic-table-form.ts b/client/common/lib/elements/dynamic-table-form.ts
index 57226f33..1a6b4010 100644
--- a/client/common/lib/elements/dynamic-table-form.ts
+++ b/client/common/lib/elements/dynamic-table-form.ts
@@ -115,7 +115,7 @@ export class DynamicTableFormElement extends LitElement {
       }
   `;
 
-  protected createRenderRoot = (): HTMLElement | DocumentFragment => {
+  protected createRenderRoot = () => {
     if (document.head.querySelector(`style[data-tagname="${this.tagName}"]`)) {
       return this;
     }
diff --git a/client/common/lib/elements/livechat.ts b/client/common/lib/elements/livechat.ts
index be24ec6b..4c1aa2f0 100644
--- a/client/common/lib/elements/livechat.ts
+++ b/client/common/lib/elements/livechat.ts
@@ -8,7 +8,7 @@ import { LitElement } from 'lit'
  * Base class for all Custom Elements.
  */
 export class LivechatElement extends LitElement {
-  protected createRenderRoot = (): HTMLElement | DocumentFragment => {
+  protected createRenderRoot = () => {
     return this
   }
 }
diff --git a/package-lock.json b/package-lock.json
index f6804802..c86d41e1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,6 @@
         "escape-html": "^1.0.3",
         "got": "^11.8.2",
         "http-proxy": "^1.18.1",
-        "lit": "^3.1.3",
         "log-rotate": "^0.2.8",
         "openid-client": "^5.6.5",
         "validate-color": "^2.2.1",
@@ -46,6 +45,7 @@
         "eslint-plugin-node": "^11.1.0",
         "eslint-plugin-promise": "^5.1.1",
         "eslint-plugin-standard": "^5.0.0",
+        "lit": "^2.4.0",
         "npm-run-all": "^4.1.5",
         "sass": "^1.43.4",
         "sharp": "^0.33.2",
@@ -53,7 +53,7 @@
         "stylelint-config-recommended-scss": "^5.0.1",
         "stylelint-config-standard-scss": "^2.0.1",
         "svgo": "^2.8.0",
-        "typescript": "^5.0.0",
+        "typescript": "^4.3.5",
         "yaml": "^2.2.1"
       },
       "engines": {
@@ -4122,7 +4122,8 @@
     "node_modules/@types/trusted-types": {
       "version": "2.0.7",
       "resolved": "https://registry.npmjs.org/@types/trusted-types/-/trusted-types-2.0.7.tgz",
-      "integrity": "sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw=="
+      "integrity": "sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw==",
+      "dev": true
     },
     "node_modules/@types/validator": {
       "version": "13.7.1",
@@ -8674,33 +8675,54 @@
       "dev": true
     },
     "node_modules/lit": {
-      "version": "3.1.3",
-      "resolved": "https://registry.npmjs.org/lit/-/lit-3.1.3.tgz",
-      "integrity": "sha512-l4slfspEsnCcHVRTvaP7YnkTZEZggNFywLEIhQaGhYDczG+tu/vlgm/KaWIEjIp+ZyV20r2JnZctMb8LeLCG7Q==",
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/lit/-/lit-2.4.0.tgz",
+      "integrity": "sha512-fdgzxEtLrZFQU/BqTtxFQCLwlZd9bdat+ltzSFjvWkZrs7eBmeX0L5MHUMb3kYIkuS8Xlfnii/iI5klirF8/Xg==",
+      "dev": true,
       "dependencies": {
-        "@lit/reactive-element": "^2.0.4",
-        "lit-element": "^4.0.4",
-        "lit-html": "^3.1.2"
+        "@lit/reactive-element": "^1.4.0",
+        "lit-element": "^3.2.0",
+        "lit-html": "^2.4.0"
       }
     },
     "node_modules/lit-element": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/lit-element/-/lit-element-4.0.5.tgz",
-      "integrity": "sha512-iTWskWZEtn9SyEf4aBG6rKT8GABZMrTWop1+jopsEOgEcugcXJGKuX5bEbkq9qfzY+XB4MAgCaSPwnNpdsNQ3Q==",
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/lit-element/-/lit-element-3.3.3.tgz",
+      "integrity": "sha512-XbeRxmTHubXENkV4h8RIPyr8lXc+Ff28rkcQzw3G6up2xg5E8Zu1IgOWIwBLEQsu3cOVFqdYwiVi0hv0SlpqUA==",
+      "dev": true,
       "dependencies": {
-        "@lit-labs/ssr-dom-shim": "^1.2.0",
-        "@lit/reactive-element": "^2.0.4",
-        "lit-html": "^3.1.2"
+        "@lit-labs/ssr-dom-shim": "^1.1.0",
+        "@lit/reactive-element": "^1.3.0",
+        "lit-html": "^2.8.0"
+      }
+    },
+    "node_modules/lit-element/node_modules/@lit/reactive-element": {
+      "version": "1.6.3",
+      "resolved": "https://registry.npmjs.org/@lit/reactive-element/-/reactive-element-1.6.3.tgz",
+      "integrity": "sha512-QuTgnG52Poic7uM1AN5yJ09QMe0O28e10XzSvWDz02TJiiKee4stsiownEIadWm8nYzyDAyT+gKzUoZmiWQtsQ==",
+      "dev": true,
+      "dependencies": {
+        "@lit-labs/ssr-dom-shim": "^1.0.0"
       }
     },
     "node_modules/lit-html": {
-      "version": "3.1.3",
-      "resolved": "https://registry.npmjs.org/lit-html/-/lit-html-3.1.3.tgz",
-      "integrity": "sha512-FwIbqDD8O/8lM4vUZ4KvQZjPPNx7V1VhT7vmRB8RBAO0AU6wuTVdoXiu2CivVjEGdugvcbPNBLtPE1y0ifplHA==",
+      "version": "2.8.0",
+      "resolved": "https://registry.npmjs.org/lit-html/-/lit-html-2.8.0.tgz",
+      "integrity": "sha512-o9t+MQM3P4y7M7yNzqAyjp7z+mQGa4NS4CxiyLqFPyFWyc4O+nodLrkrxSaCTrla6M5YOLaT3RpbbqjszB5g3Q==",
+      "dev": true,
       "dependencies": {
         "@types/trusted-types": "^2.0.2"
       }
     },
+    "node_modules/lit/node_modules/@lit/reactive-element": {
+      "version": "1.6.3",
+      "resolved": "https://registry.npmjs.org/@lit/reactive-element/-/reactive-element-1.6.3.tgz",
+      "integrity": "sha512-QuTgnG52Poic7uM1AN5yJ09QMe0O28e10XzSvWDz02TJiiKee4stsiownEIadWm8nYzyDAyT+gKzUoZmiWQtsQ==",
+      "dev": true,
+      "dependencies": {
+        "@lit-labs/ssr-dom-shim": "^1.0.0"
+      }
+    },
     "node_modules/locate-path": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
@@ -12008,16 +12030,16 @@
       "dev": true
     },
     "node_modules/typescript": {
-      "version": "5.4.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
-      "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
+      "version": "4.3.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
+      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
       },
       "engines": {
-        "node": ">=14.17"
+        "node": ">=4.2.0"
       }
     },
     "node_modules/uid-safe": {
@@ -15620,7 +15642,8 @@
     "@types/trusted-types": {
       "version": "2.0.7",
       "resolved": "https://registry.npmjs.org/@types/trusted-types/-/trusted-types-2.0.7.tgz",
-      "integrity": "sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw=="
+      "integrity": "sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw==",
+      "dev": true
     },
     "@types/validator": {
       "version": "13.7.1",
@@ -18968,29 +18991,54 @@
       "dev": true
     },
     "lit": {
-      "version": "3.1.3",
-      "resolved": "https://registry.npmjs.org/lit/-/lit-3.1.3.tgz",
-      "integrity": "sha512-l4slfspEsnCcHVRTvaP7YnkTZEZggNFywLEIhQaGhYDczG+tu/vlgm/KaWIEjIp+ZyV20r2JnZctMb8LeLCG7Q==",
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/lit/-/lit-2.4.0.tgz",
+      "integrity": "sha512-fdgzxEtLrZFQU/BqTtxFQCLwlZd9bdat+ltzSFjvWkZrs7eBmeX0L5MHUMb3kYIkuS8Xlfnii/iI5klirF8/Xg==",
+      "dev": true,
       "requires": {
-        "@lit/reactive-element": "^2.0.4",
-        "lit-element": "^4.0.4",
-        "lit-html": "^3.1.2"
+        "@lit/reactive-element": "^1.4.0",
+        "lit-element": "^3.2.0",
+        "lit-html": "^2.4.0"
+      },
+      "dependencies": {
+        "@lit/reactive-element": {
+          "version": "1.6.3",
+          "resolved": "https://registry.npmjs.org/@lit/reactive-element/-/reactive-element-1.6.3.tgz",
+          "integrity": "sha512-QuTgnG52Poic7uM1AN5yJ09QMe0O28e10XzSvWDz02TJiiKee4stsiownEIadWm8nYzyDAyT+gKzUoZmiWQtsQ==",
+          "dev": true,
+          "requires": {
+            "@lit-labs/ssr-dom-shim": "^1.0.0"
+          }
+        }
       }
     },
     "lit-element": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/lit-element/-/lit-element-4.0.5.tgz",
-      "integrity": "sha512-iTWskWZEtn9SyEf4aBG6rKT8GABZMrTWop1+jopsEOgEcugcXJGKuX5bEbkq9qfzY+XB4MAgCaSPwnNpdsNQ3Q==",
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/lit-element/-/lit-element-3.3.3.tgz",
+      "integrity": "sha512-XbeRxmTHubXENkV4h8RIPyr8lXc+Ff28rkcQzw3G6up2xg5E8Zu1IgOWIwBLEQsu3cOVFqdYwiVi0hv0SlpqUA==",
+      "dev": true,
       "requires": {
-        "@lit-labs/ssr-dom-shim": "^1.2.0",
-        "@lit/reactive-element": "^2.0.4",
-        "lit-html": "^3.1.2"
+        "@lit-labs/ssr-dom-shim": "^1.1.0",
+        "@lit/reactive-element": "^1.3.0",
+        "lit-html": "^2.8.0"
+      },
+      "dependencies": {
+        "@lit/reactive-element": {
+          "version": "1.6.3",
+          "resolved": "https://registry.npmjs.org/@lit/reactive-element/-/reactive-element-1.6.3.tgz",
+          "integrity": "sha512-QuTgnG52Poic7uM1AN5yJ09QMe0O28e10XzSvWDz02TJiiKee4stsiownEIadWm8nYzyDAyT+gKzUoZmiWQtsQ==",
+          "dev": true,
+          "requires": {
+            "@lit-labs/ssr-dom-shim": "^1.0.0"
+          }
+        }
       }
     },
     "lit-html": {
-      "version": "3.1.3",
-      "resolved": "https://registry.npmjs.org/lit-html/-/lit-html-3.1.3.tgz",
-      "integrity": "sha512-FwIbqDD8O/8lM4vUZ4KvQZjPPNx7V1VhT7vmRB8RBAO0AU6wuTVdoXiu2CivVjEGdugvcbPNBLtPE1y0ifplHA==",
+      "version": "2.8.0",
+      "resolved": "https://registry.npmjs.org/lit-html/-/lit-html-2.8.0.tgz",
+      "integrity": "sha512-o9t+MQM3P4y7M7yNzqAyjp7z+mQGa4NS4CxiyLqFPyFWyc4O+nodLrkrxSaCTrla6M5YOLaT3RpbbqjszB5g3Q==",
+      "dev": true,
       "requires": {
         "@types/trusted-types": "^2.0.2"
       }
@@ -21415,9 +21463,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "5.4.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
-      "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
+      "version": "4.3.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
+      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==",
       "dev": true
     },
     "uid-safe": {
diff --git a/package.json b/package.json
index 7959ba09..b4265de1 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,6 @@
     "escape-html": "^1.0.3",
     "got": "^11.8.2",
     "http-proxy": "^1.18.1",
-    "lit": "^3.1.3",
     "log-rotate": "^0.2.8",
     "openid-client": "^5.6.5",
     "validate-color": "^2.2.1",
@@ -70,6 +69,7 @@
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-promise": "^5.1.1",
     "eslint-plugin-standard": "^5.0.0",
+    "lit": "^2.4.0",
     "npm-run-all": "^4.1.5",
     "sass": "^1.43.4",
     "sharp": "^0.33.2",
@@ -77,7 +77,7 @@
     "stylelint-config-recommended-scss": "^5.0.1",
     "stylelint-config-standard-scss": "^2.0.1",
     "svgo": "^2.8.0",
-    "typescript": "^5.0.0",
+    "typescript": "^4.3.5",
     "yaml": "^2.2.1"
   },
   "engine": {