diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3a327edf2..87da5e0bd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Changed
+
+- Upgraded `nestjs` from version `11.1.19` to `11.1.21`
+
 ## 3.5.0 - 2026-05-24
 
 ### Added
diff --git a/package-lock.json b/package-lock.json
index 02044ceb5..f8e778549 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,14 +30,14 @@
         "@ionic/angular": "8.8.5",
         "@keyv/redis": "5.1.6",
         "@nestjs/bull": "11.0.4",
-        "@nestjs/cache-manager": "3.1.0",
-        "@nestjs/common": "11.1.19",
+        "@nestjs/cache-manager": "3.1.2",
+        "@nestjs/common": "11.1.21",
         "@nestjs/config": "4.0.4",
-        "@nestjs/core": "11.1.19",
-        "@nestjs/event-emitter": "3.0.1",
+        "@nestjs/core": "11.1.21",
+        "@nestjs/event-emitter": "3.1.0",
         "@nestjs/jwt": "11.0.2",
         "@nestjs/passport": "11.0.5",
-        "@nestjs/platform-express": "11.1.19",
+        "@nestjs/platform-express": "11.1.21",
         "@nestjs/schedule": "6.1.3",
         "@nestjs/serve-static": "5.0.5",
         "@openrouter/ai-sdk-provider": "2.9.0",
@@ -112,7 +112,7 @@
         "@eslint/eslintrc": "3.3.1",
         "@eslint/js": "9.35.0",
         "@nestjs/schematics": "11.1.0",
-        "@nestjs/testing": "11.1.19",
+        "@nestjs/testing": "11.1.21",
         "@nx/angular": "22.7.2",
         "@nx/eslint-plugin": "22.7.2",
         "@nx/jest": "22.7.2",
@@ -8141,9 +8141,9 @@
       }
     },
     "node_modules/@nestjs/cache-manager": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/@nestjs/cache-manager/-/cache-manager-3.1.0.tgz",
-      "integrity": "sha512-pEIqYZrBcE8UdkJmZRduurvoUfdU+3kRPeO1R2muiMbZnRuqlki5klFFNllO9LyYWzrx98bd1j0PSPKSJk1Wbw==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/@nestjs/cache-manager/-/cache-manager-3.1.2.tgz",
+      "integrity": "sha512-Eglt8lUzC3Q3OZ2hFt4vLZ190M94YSJXUiKo67K/zlUgZQGtvxL0AYeKbG96x8+1gJTF7QhFpYw/RkQ28416Mw==",
       "license": "MIT",
       "peerDependencies": {
         "@nestjs/common": "^9.0.0 || ^10.0.0 || ^11.0.0",
@@ -8154,9 +8154,9 @@
       }
     },
     "node_modules/@nestjs/common": {
-      "version": "11.1.19",
-      "resolved": "https://registry.npmjs.org/@nestjs/common/-/common-11.1.19.tgz",
-      "integrity": "sha512-qeiTt2tv+e5QyDKqG8HlVZb2wx64FEaSGFJouqTSRs+kG44iTfl3xlz1XqVped+rihx4hmjWgL5gkhtdK3E6+Q==",
+      "version": "11.1.21",
+      "resolved": "https://registry.npmjs.org/@nestjs/common/-/common-11.1.21.tgz",
+      "integrity": "sha512-YV1HYDGsm2rnR0vrLKidtrG6jYX5yqiIjeur1j8++dKGqhhsJ6cjMs0RfQRSTUH7IjgDemA59/znQ8nRrE0D9g==",
       "license": "MIT",
       "dependencies": {
         "file-type": "21.3.4",
@@ -8212,9 +8212,9 @@
       }
     },
     "node_modules/@nestjs/core": {
-      "version": "11.1.19",
-      "resolved": "https://registry.npmjs.org/@nestjs/core/-/core-11.1.19.tgz",
-      "integrity": "sha512-6nJkWa2efrYi+XlU686J9y5L7OvxpLVjT0T/sxRKE7Jvpffiihelup4WSvLvRhdHDjj/5SuoWEwqReXAaaeHmw==",
+      "version": "11.1.21",
+      "resolved": "https://registry.npmjs.org/@nestjs/core/-/core-11.1.21.tgz",
+      "integrity": "sha512-fqo0BHgny3MOuAL8GSfG3ZUKFVVBaBQD/0iyibnwTONT5vPexjQxJzu+945iloVvBDmrnAaRWxC1gqCDEs/AXQ==",
       "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {
@@ -8253,9 +8253,9 @@
       }
     },
     "node_modules/@nestjs/event-emitter": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/@nestjs/event-emitter/-/event-emitter-3.0.1.tgz",
-      "integrity": "sha512-0Ln/x+7xkU6AJFOcQI9tIhUMXVF7D5itiaQGOyJbXtlAfAIt8gzDdJm+Im7cFzKoWkiW5nCXCPh6GSvdQd/3Dw==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@nestjs/event-emitter/-/event-emitter-3.1.0.tgz",
+      "integrity": "sha512-DOY/4XBGyIjYyOJKkO6jl1kzFE0ZfX0wV+M2HR5NWymPT9Z0zdCEcZGxTXXkoMRwPtglnvCGJALSjOpXPIcM3g==",
       "license": "MIT",
       "dependencies": {
         "eventemitter2": "6.4.9"
@@ -8289,9 +8289,9 @@
       }
     },
     "node_modules/@nestjs/platform-express": {
-      "version": "11.1.19",
-      "resolved": "https://registry.npmjs.org/@nestjs/platform-express/-/platform-express-11.1.19.tgz",
-      "integrity": "sha512-Vpdv8jyCQdThfoTx+UTn+DRYr6H6X02YUqcpZ3qP6G3ZUwtVp7eS+hoQPGd4UuCnlnFG8Wqr2J9bGEzQdi1rIg==",
+      "version": "11.1.21",
+      "resolved": "https://registry.npmjs.org/@nestjs/platform-express/-/platform-express-11.1.21.tgz",
+      "integrity": "sha512-lA3ViycOnz4Df3EstIKpuAVFhqxQixTnjAVk0M+LRyNBlGM6VSCaNJaAIrb9Pcry39T4hTHpNVbRqGLSvhL8gA==",
       "license": "MIT",
       "dependencies": {
         "cors": "2.8.6",
@@ -8572,9 +8572,9 @@
       }
     },
     "node_modules/@nestjs/testing": {
-      "version": "11.1.19",
-      "resolved": "https://registry.npmjs.org/@nestjs/testing/-/testing-11.1.19.tgz",
-      "integrity": "sha512-/UFNWXvPEdu4v4DlC5oWLbGKmD27LehLK06b8oLzs6D6lf4vAQTdST8LRAXBadyMUQnVEQWMuBo3CtAVtlfXtQ==",
+      "version": "11.1.21",
+      "resolved": "https://registry.npmjs.org/@nestjs/testing/-/testing-11.1.21.tgz",
+      "integrity": "sha512-RhzaUFxr6/bpXWjKIzr7p2eHKMFMLwPgsxJNFcCf2CkkT3UEjW+KRGb7E2JY+fh+ck3zAdvQJrzATDnSsVlFZw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 88750699e..857313cae 100644
--- a/package.json
+++ b/package.json
@@ -74,14 +74,14 @@
     "@ionic/angular": "8.8.5",
     "@keyv/redis": "5.1.6",
     "@nestjs/bull": "11.0.4",
-    "@nestjs/cache-manager": "3.1.0",
-    "@nestjs/common": "11.1.19",
+    "@nestjs/cache-manager": "3.1.2",
+    "@nestjs/common": "11.1.21",
     "@nestjs/config": "4.0.4",
-    "@nestjs/core": "11.1.19",
-    "@nestjs/event-emitter": "3.0.1",
+    "@nestjs/core": "11.1.21",
+    "@nestjs/event-emitter": "3.1.0",
     "@nestjs/jwt": "11.0.2",
     "@nestjs/passport": "11.0.5",
-    "@nestjs/platform-express": "11.1.19",
+    "@nestjs/platform-express": "11.1.21",
     "@nestjs/schedule": "6.1.3",
     "@nestjs/serve-static": "5.0.5",
     "@openrouter/ai-sdk-provider": "2.9.0",
@@ -156,7 +156,7 @@
     "@eslint/eslintrc": "3.3.1",
     "@eslint/js": "9.35.0",
     "@nestjs/schematics": "11.1.0",
-    "@nestjs/testing": "11.1.19",
+    "@nestjs/testing": "11.1.21",
     "@nx/angular": "22.7.2",
     "@nx/eslint-plugin": "22.7.2",
     "@nx/jest": "22.7.2",