diff --git a/front/package.json b/front/package.json
index bb1a2ce3..93ad066c 100644
--- a/front/package.json
+++ b/front/package.json
@@ -16,16 +16,16 @@
     "@typescript-eslint/eslint-plugin": "^5.6.0",
     "@typescript-eslint/parser": "^5.6.0",
     "eslint": "^8.4.1",
-    "eslint-plugin-svelte3": "^3.2.1",
+    "eslint-plugin-svelte3": "^3.4.1",
     "jasmine": "^3.5.0",
     "lint-staged": "^12.3.7",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.3.1",
     "prettier-plugin-svelte": "^2.7.0",
     "sass": "^1.49.7",
-    "svelte": "^3.46.3",
-    "svelte-check": "^2.1.0",
-    "svelte-preprocess": "^4.10.2",
+    "svelte": "^3.48.0",
+    "svelte-check": "^2.7.0",
+    "svelte-preprocess": "^4.10.6",
     "ts-node": "^10.4.0",
     "tsconfig-paths": "^3.9.0",
     "typescript": "^4.5.3",
diff --git a/front/src/Administration/AnalyticsClient.ts b/front/src/Administration/AnalyticsClient.ts
index 3c6bcb44..15417d8a 100644
--- a/front/src/Administration/AnalyticsClient.ts
+++ b/front/src/Administration/AnalyticsClient.ts
@@ -3,8 +3,7 @@ import { POSTHOG_API_KEY, POSTHOG_URL } from "../Enum/EnvironmentVariable";
 declare let window: any;
 
 class AnalyticsClient {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    private posthogPromise: Promise<any> | undefined;
+    private posthogPromise: Promise<typeof import("posthog-js").default> | undefined;
 
     constructor() {
         if (POSTHOG_API_KEY && POSTHOG_URL) {
diff --git a/front/src/WebRtc/JitsiFactory.ts b/front/src/WebRtc/JitsiFactory.ts
index 62800888..280e8108 100644
--- a/front/src/WebRtc/JitsiFactory.ts
+++ b/front/src/WebRtc/JitsiFactory.ts
@@ -30,7 +30,7 @@ interface JitsiApi {
 
     addListener: (type: string, callback: Function) => void;
     removeListener: (type: string, callback: Function) => void;
-
+    getParticipantsInfo(): { displayName: string; participantId: string }[];
     dispose: () => void;
 }
 
@@ -275,10 +275,11 @@ class JitsiFactory {
     }
 
     private onDominantSpeakerChanged(data: { id: string }): void {
-        userIsJitsiDominantSpeakerStore.set(
-            //@ts-ignore
-            data.id === this.getCurrentParticipantId(this.jitsiApi?.getParticipantsInfo())
-        );
+        if (this.jitsiApi) {
+            userIsJitsiDominantSpeakerStore.set(
+                data.id === this.getCurrentParticipantId(this.jitsiApi.getParticipantsInfo())
+            );
+        }
     }
 
     private onParticipantsCountChange(): void {
diff --git a/front/yarn.lock b/front/yarn.lock
index 7f49a4ed..8605806b 100644
--- a/front/yarn.lock
+++ b/front/yarn.lock
@@ -1095,10 +1095,10 @@ escape-string-regexp@^4.0.0:
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz#14ba83a5d373e3d311e5afca29cf5bfad965bf34"
   integrity sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA==
 
-eslint-plugin-svelte3@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-svelte3/-/eslint-plugin-svelte3-3.2.1.tgz#f0f24150ecea3061c38c69e282bea26dc3e660c6"
-  integrity sha512-YoBR9mLoKCjGghJ/gvpnFZKaMEu/VRcuxpSRS8KuozuEo7CdBH7bmBHa6FmMm0i4kJnOyx+PVsaptz96K6H/4Q==
+eslint-plugin-svelte3@^3.4.1:
+  version "3.4.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-svelte3/-/eslint-plugin-svelte3-3.4.1.tgz#3618700333c8f8f12e28aec93bf18440d44a61fd"
+  integrity sha512-7p59WG8qV8L6wLdl4d/c3mdjkgVglQCdv5XOTk/iNPBKXuuV+Q0eFP5Wa6iJd/G2M1qR3BkLPEzaANOqKAZczw==
 
 eslint-scope@^5.1.1:
   version "5.1.1"
@@ -1277,6 +1277,17 @@ fast-glob@^3.1.1:
     micromatch "^4.0.2"
     picomatch "^2.2.1"
 
+fast-glob@^3.2.7:
+  version "3.2.11"
+  resolved "https://registry.yarnpkg.com/fast-glob/-/fast-glob-3.2.11.tgz#a1172ad95ceb8a16e20caa5c5e56480e5129c1d9"
+  integrity sha512-xrO3+1bxSo3ZVHAnqzyuewYT6aMFHRAd4Kcs92MAonjwQZLsK9d0SF1IyQ3k5PoirxTW0Oe/RqFgMQ6TcNE5Ew==
+  dependencies:
+    "@nodelib/fs.stat" "^2.0.2"
+    "@nodelib/fs.walk" "^1.2.3"
+    glob-parent "^5.1.2"
+    merge2 "^1.3.0"
+    micromatch "^4.0.4"
+
 fast-json-stable-stringify@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz#874bf69c6f404c2b5d99c481341399fd55892633"
@@ -1392,7 +1403,7 @@ get-stream@^6.0.0:
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-6.0.1.tgz#a262d8eef67aced57c2852ad6167526a43cbf7b7"
   integrity sha512-ts6Wi+2j3jQjqi70w5AlN8DFnkSwC+MqmxEzdEALB2qXZYV3X/b1CTfgPLGJNMeAWxdPfU8FO1ms3NUfaHCPYg==
 
-glob-parent@^5.1.0, glob-parent@~5.1.0, glob-parent@~5.1.2:
+glob-parent@^5.1.0, glob-parent@^5.1.2, glob-parent@~5.1.0, glob-parent@~5.1.2:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.1.2.tgz#869832c58034fe68a4093c17dc15e8340d8401c4"
   integrity sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==
@@ -2811,16 +2822,15 @@ supports-preserve-symlinks-flag@^1.0.0:
   resolved "https://registry.yarnpkg.com/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz#6eda4bd344a3c94aea376d4cc31bc77311039e09"
   integrity sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w==
 
-svelte-check@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/svelte-check/-/svelte-check-2.1.0.tgz#3ee8ad86068256346ebca862bbee8417a757fc53"
-  integrity sha512-kKLXkFt0XZTn+O1fnilGTQ1SFLsOFF+lXp1YjPfeN9nX+Y3ZpELtZSQCkbuK6HMkWugFvsOM17FCOSa1mfrEFA==
+svelte-check@^2.7.0:
+  version "2.7.0"
+  resolved "https://registry.yarnpkg.com/svelte-check/-/svelte-check-2.7.0.tgz#10d579dc89bf2e145a04786cc9fa8dabfb018a2a"
+  integrity sha512-GrvG24j0+i8AOm0k0KyJ6Dqc+TAR2yzB7rtS4nljHStunVxCTr/1KYlv4EsOeoqtHLzeWMOd5D2O6nDdP/yw4A==
   dependencies:
-    chalk "^4.0.0"
     chokidar "^3.4.1"
-    glob "^7.1.6"
+    fast-glob "^3.2.7"
     import-fresh "^3.2.1"
-    minimist "^1.2.5"
+    picocolors "^1.0.0"
     sade "^1.7.4"
     source-map "^0.7.3"
     svelte-preprocess "^4.0.0"
@@ -2841,10 +2851,10 @@ svelte-preprocess@^4.0.0:
     detect-indent "^6.0.0"
     strip-indent "^3.0.0"
 
-svelte-preprocess@^4.10.2:
-  version "4.10.2"
-  resolved "https://registry.yarnpkg.com/svelte-preprocess/-/svelte-preprocess-4.10.2.tgz#2405689e57161916947b8360679051a56eddd5c6"
-  integrity sha512-aPpkCreSo8EL/y8kJSa1trhiX0oyAtTjlNNM7BNjRAsMJ8Yy2LtqHt0zyd4pQPXt+D4PzbO3qTjjio3kwOxDlA==
+svelte-preprocess@^4.10.6:
+  version "4.10.6"
+  resolved "https://registry.yarnpkg.com/svelte-preprocess/-/svelte-preprocess-4.10.6.tgz#5f9a53e7ed3b85fc7e0841120c725b76ac5a1ba8"
+  integrity sha512-I2SV1w/AveMvgIQlUF/ZOO3PYVnhxfcpNyGt8pxpUVhPfyfL/CZBkkw/KPfuFix5FJ9TnnNYMhACK3DtSaYVVQ==
   dependencies:
     "@types/pug" "^2.0.4"
     "@types/sass" "^1.16.0"
@@ -2853,10 +2863,10 @@ svelte-preprocess@^4.10.2:
     sorcery "^0.10.0"
     strip-indent "^3.0.0"
 
-svelte@^3.46.3:
-  version "3.46.3"
-  resolved "https://registry.yarnpkg.com/svelte/-/svelte-3.46.3.tgz#31202b0c795f276726d95b648b6dd413116257ac"
-  integrity sha512-mTOXvv74CVQqJHqoIZDprVfRKVVmYNadXP0VKnOEA54223kLGCr1nMrifS4Zx29qMt/xRB38Eq1D7dDH/fM8fQ==
+svelte@^3.48.0:
+  version "3.48.0"
+  resolved "https://registry.yarnpkg.com/svelte/-/svelte-3.48.0.tgz#f98c866d45e155bad8e1e88f15f9c03cd28753d3"
+  integrity sha512-fN2YRm/bGumvjUpu6yI3BpvZnpIm9I6A7HR4oUNYd7ggYyIwSA/BX7DJ+UXXffLp6XNcUijyLvttbPVCYa/3xQ==
 
 tabbable@^4.0.0:
   version "4.0.0"