diff --git a/client/package-lock.json b/client/package-lock.json
index fbe2950ab..7989f2ba3 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -2608,9 +2608,9 @@
             "dev": true
         },
         "@types/pdfjs-dist": {
-            "version": "2.1.5",
-            "resolved": "https://registry.npmjs.org/@types/pdfjs-dist/-/pdfjs-dist-2.1.5.tgz",
-            "integrity": "sha512-/vs9nLI/BYNo1pobKR5oEucEEcMgd8Mx1nByPNR3QhTboBwdDreQ0fHYXrGRtK3cShDDrVdApL0KhMckMuKSHw=="
+            "version": "2.1.7",
+            "resolved": "https://registry.npmjs.org/@types/pdfjs-dist/-/pdfjs-dist-2.1.7.tgz",
+            "integrity": "sha512-nQIwcPUhkAIyn7x9NS0lR/qxYfd5unRtfGkMjvpgF4Sh28IXftRymaNmFKTTdejDNY25NDGSIyjwj/BRwAPexg=="
         },
         "@types/q": {
             "version": "1.5.4",
@@ -10802,9 +10802,9 @@
             "integrity": "sha1-yobR/ogoFpsBICCOPchCS524NCw="
         },
         "ng-particles": {
-            "version": "2.1.11",
-            "resolved": "https://registry.npmjs.org/ng-particles/-/ng-particles-2.1.11.tgz",
-            "integrity": "sha512-x0A3P/7B7iUyyvlmU4t8bQCvXiO61lFtqdwf6/l5eyxl3/KowauhqsxQBw/3KlR67LdwJBvekxIrQEa+vWh7QQ==",
+            "version": "2.6.0",
+            "resolved": "https://registry.npmjs.org/ng-particles/-/ng-particles-2.6.0.tgz",
+            "integrity": "sha512-XE//UyPZD2OWNAZbBXLvNiuuwDGdk8rtg2ZRPFGR8t7YQ5BacR+DkIYWtcxH1ce79bGTA8BraYmokl8fbjMQsw==",
             "requires": {
                 "tslib": "^2.0.0"
             },
@@ -10834,12 +10834,12 @@
             }
         },
         "ng2-pdf-viewer": {
-            "version": "6.3.2",
-            "resolved": "https://registry.npmjs.org/ng2-pdf-viewer/-/ng2-pdf-viewer-6.3.2.tgz",
-            "integrity": "sha512-H2tBhDd+Lq6CUzK2g54HsCcZDR2wTn1sDjYqKY3yF0Ydasl2R5ppCKynZBU/zge4EKvmHglJI120FbQMpJKDYQ==",
+            "version": "6.4.1",
+            "resolved": "https://registry.npmjs.org/ng2-pdf-viewer/-/ng2-pdf-viewer-6.4.1.tgz",
+            "integrity": "sha512-A8R9SGa2bu4n+mtagGX8DqBrVAbuROrEgcAOQwCdciYTLAq9EFGEB8TCQZpjvYVaFTNwjKWTMTjFQVEorjbLeQ==",
             "requires": {
-                "@types/pdfjs-dist": "^2.1.4",
-                "pdfjs-dist": "^2.4.456",
+                "@types/pdfjs-dist": "~2.1.7",
+                "pdfjs-dist": "~2.5.207",
                 "tslib": "^1.10.0"
             }
         },
@@ -15775,9 +15775,9 @@
             }
         },
         "tsparticles": {
-            "version": "1.18.11",
-            "resolved": "https://registry.npmjs.org/tsparticles/-/tsparticles-1.18.11.tgz",
-            "integrity": "sha512-F5czk8foRoywWHDYDT0eZhQwCXOHz7OGhJCsoybThTUIT+nwc1Eclltm/TMrnnxZZghF3Fo0VL8nN4inf+pQbA==",
+            "version": "1.23.0",
+            "resolved": "https://registry.npmjs.org/tsparticles/-/tsparticles-1.23.0.tgz",
+            "integrity": "sha512-1lnQyq8n+RqLJQiw1XoNbpmPJlBjtpP6jmxhxqezvOJKechL3STQ6Fao3G1GjC4MM43LY3OSJmyfiHmmMR7JLQ==",
             "requires": {
                 "pathseg": "^1.2.0"
             }
diff --git a/client/package.json b/client/package.json
index 46cc914d4..c3e3a5e5b 100644
--- a/client/package.json
+++ b/client/package.json
@@ -66,9 +66,9 @@
         "lz4js": "^0.2.0",
         "material-icon-font": "git+https://github.com/petergng/materialIconFont.git",
         "moment": "^2.27.0",
-        "ng-particles": "^2.1.11",
+        "ng-particles": "^2.6.0",
         "ng2-charts": "^2.4.0",
-        "ng2-pdf-viewer": "6.3.2",
+        "ng2-pdf-viewer": "^6.4.1",
         "ngx-device-detector": "^2.0.0",
         "ngx-file-drop": "^9.0.1",
         "ngx-mat-select-search": "^3.0.3",
@@ -80,7 +80,7 @@
         "rxjs": "^6.6.2",
         "tinymce": "5.6.0",
         "tslib": "^1.10.0",
-        "tsparticles": "^1.18.11",
+        "tsparticles": "^1.23.0",
         "video.js": "^7.8.4",
         "zone.js": "~0.10.2"
     },
diff --git a/client/src/app/shared/components/applause-particle-display/applause-particle-display.component.ts b/client/src/app/shared/components/applause-particle-display/applause-particle-display.component.ts
index 4eb45a726..77be271e2 100644
--- a/client/src/app/shared/components/applause-particle-display/applause-particle-display.component.ts
+++ b/client/src/app/shared/components/applause-particle-display/applause-particle-display.component.ts
@@ -6,7 +6,6 @@ import { TranslateService } from '@ngx-translate/core';
 import { Subject } from 'rxjs';
 import { auditTime } from 'rxjs/operators';
 import { Container } from 'tsparticles';
-import { Emitters } from 'tsparticles/dist/Plugins/Emitters/Emitters';
 
 import { ApplauseService } from 'app/core/ui-services/applause.service';
 import { ConfigService } from 'app/core/ui-services/config.service';
@@ -79,7 +78,8 @@ export class ApplauseParticleDisplayComponent extends BaseViewComponentDirective
 
     private setParticleLevel(level: number): void {
         if (this.particleContainer) {
-            const emitters = this.particleContainer.plugins.get('emitters') as Emitters;
+            const emitters = this.particleContainer.plugins.get('emitters') as any;
+            // TODO: Use `Emitters` instead of any.
             if (emitters) {
                 emitters.array[0].emitterOptions.rate.quantity = level;
             }