diff --git a/server/package.json b/server/package.json
index 9eb5d81..3784841 100644
--- a/server/package.json
+++ b/server/package.json
@@ -23,7 +23,7 @@
    "dependencies": {
       "livechoice-common": "1.0.0",
       "@nestjs/common": "^8.0.0",
-      "@nestjs/core": "^8.0.0",
+      "@nestjs/core": "^9.0.5",
       "@nestjs/platform-express": "^8.0.0",
       "@nestjs/platform-socket.io": "^8.2.6",
       "@nestjs/websockets": "^8.2.6",
diff --git a/yarn.lock b/yarn.lock
index 5ae61cc..c7f454b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2240,17 +2240,17 @@
     tslib "2.3.1"
     uuid "8.3.2"
 
-"@nestjs/core@^8.0.0":
-  version "8.2.6"
-  resolved "https://registry.yarnpkg.com/@nestjs/core/-/core-8.2.6.tgz#08eb38203fb01a828227ea25972d38bfef5c818f"
-  integrity sha512-NwPcEIMmCsucs3QaDlQvkoU1FlFM2wm/WjaqLQhkSoIEmAR1gNtBo88f5io5cpMwCo1k5xYhqGlaSl6TfngwWQ==
+"@nestjs/core@^9.0.5":
+  version "9.0.5"
+  resolved "https://registry.yarnpkg.com/@nestjs/core/-/core-9.0.5.tgz#b4cb8f8b0c1d234a840f06e265717d4a24f8d224"
+  integrity sha512-41BBJlsquasVrGeRWNYb74Fwsc+oB5EmKC/hioQJAhGqIw5Kr5AcdEoEFaMKFzNLAPbU6c/nVW8T8CrvtQbQww==
   dependencies:
     "@nuxtjs/opencollective" "0.3.2"
     fast-safe-stringify "2.1.1"
     iterare "1.2.1"
-    object-hash "2.2.0"
+    object-hash "3.0.0"
     path-to-regexp "3.2.0"
-    tslib "2.3.1"
+    tslib "2.4.0"
     uuid "8.3.2"
 
 "@nestjs/platform-express@^8.0.0":
@@ -8326,6 +8326,11 @@ object-hash@2.2.0:
   resolved "https://registry.yarnpkg.com/object-hash/-/object-hash-2.2.0.tgz#5ad518581eefc443bd763472b8ff2e9c2c0d54a5"
   integrity sha512-gScRMn0bS5fH+IuwyIFgnh9zBdo4DV+6GhygmWM9HyNJSgS0hScp1f5vjtm7oIIOiT9trXrShAkLFSc2IqKNgw==
 
+object-hash@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/object-hash/-/object-hash-3.0.0.tgz#73f97f753e7baffc0e2cc9d6e079079744ac82e9"
+  integrity sha512-RSn9F68PjH9HqtltsSnqYC1XXoWe9Bju5+213R98cNGttag9q9yAOTzdbsqvIa7aNm5WffBZFpWYr2aWrklWAw==
+
 object-inspect@^1.11.0, object-inspect@^1.9.0:
   version "1.12.0"
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.12.0.tgz#6e2c120e868fd1fd18cb4f18c31741d0d6e776f0"
@@ -10686,11 +10691,16 @@ tsconfig-paths@3.12.0, tsconfig-paths@^3.10.1, tsconfig-paths@^3.9.0:
     minimist "^1.2.0"
     strip-bom "^3.0.0"
 
-tslib@2.3.1, tslib@^2.0.0, tslib@^2.1.0, tslib@^2.3.0:
+tslib@2.3.1:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.3.1.tgz#e8a335add5ceae51aa261d32a490158ef042ef01"
   integrity sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw==
 
+tslib@2.4.0, tslib@^2.0.0, tslib@^2.1.0, tslib@^2.3.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
+
 tslib@^1.8.1, tslib@^1.9.0:
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"