diff --git a/package-lock.json b/package-lock.json
index 3173695..e69e2da 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "course-vue-backend",
-  "version": "1.3.3",
+  "version": "1.3.9",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1328,6 +1328,21 @@
         }
       }
     },
+    "@nestjs/serve-static": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/@nestjs/serve-static/-/serve-static-2.2.2.tgz",
+      "integrity": "sha512-3Mr+Q/npS3N7iGoF3Wd6Lj9QcjMGxbNrSqupi5cviM0IKrZ1BHl5qekW95rWYNATAVqoTmjGROAq+nKKpuUagQ==",
+      "requires": {
+        "path-to-regexp": "0.1.7"
+      },
+      "dependencies": {
+        "path-to-regexp": {
+          "version": "0.1.7",
+          "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
+          "integrity": "sha1-32BBeABfUi8V60SQ5yR6G/qmf4w="
+        }
+      }
+    },
     "@nestjs/swagger": {
       "version": "4.5.7",
       "resolved": "https://registry.npmjs.org/@nestjs/swagger/-/swagger-4.5.7.tgz",
@@ -11235,9 +11250,9 @@
       "dev": true
     },
     "tar": {
-      "version": "4.4.13",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.13.tgz",
-      "integrity": "sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==",
+      "version": "4.4.15",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.15.tgz",
+      "integrity": "sha512-ItbufpujXkry7bHH9NpQyTXPbJ72iTlXgkBAYsAjDXk3Ds8t/3NfO5P4xZGy7u+sYuQUbimgzswX4uQIEeNVOA==",
       "requires": {
         "chownr": "^1.1.1",
         "fs-minipass": "^1.2.5",
diff --git a/yarn.lock b/yarn.lock
index 40dca6a..ceb994f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7217,9 +7217,9 @@ tapable@^1.0.0, tapable@^1.1.3:
   integrity sha512-4WK/bYZmj8xLr+HUCODHGF1ZFzsYffasLUgEiMBY4fgtltdO6B4WJtlSbPaDTLpYTcGVwM2qLnFTICEcNxs3kA==
 
 tar@^4:
-  version "4.4.13"
-  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.13.tgz#43b364bc52888d555298637b10d60790254ab525"
-  integrity sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==
+  version "4.4.15"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.15.tgz#3caced4f39ebd46ddda4d6203d48493a919697f8"
+  integrity sha512-ItbufpujXkry7bHH9NpQyTXPbJ72iTlXgkBAYsAjDXk3Ds8t/3NfO5P4xZGy7u+sYuQUbimgzswX4uQIEeNVOA==
   dependencies:
     chownr "^1.1.1"
     fs-minipass "^1.2.5"