diff --git a/package-lock.json b/package-lock.json
index 7c0ae0b5..751c7d04 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6979,11 +6979,9 @@
       "license": "MIT"
     },
     "node_modules/minipass": {
-      "version": "4.0.0",
-      "license": "ISC",
-      "dependencies": {
-        "yallist": "^4.0.0"
-      },
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-5.0.0.tgz",
+      "integrity": "sha512-3FnjYuehv9k6ovOEbyOswadCDPX1piCfhV8ncmYtHOjuPwylVWsghTLo7rabjC3Rx5xD4HDx8Wm1xnMF7S5qFQ==",
       "engines": {
         "node": ">=8"
       }
@@ -8453,12 +8451,13 @@
       }
     },
     "node_modules/tar": {
-      "version": "6.1.13",
-      "license": "ISC",
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-6.2.1.tgz",
+      "integrity": "sha512-DZ4yORTwrbTj/7MZYq2w+/ZFdI6OZ/f9SFHR+71gIVUZhOQPHzVCLpvRnPgyaMpfWxxk/4ONva3GQSyNIKRv6A==",
       "dependencies": {
         "chownr": "^2.0.0",
         "fs-minipass": "^2.0.0",
-        "minipass": "^4.0.0",
+        "minipass": "^5.0.0",
         "minizlib": "^2.1.1",
         "mkdirp": "^1.0.3",
         "yallist": "^4.0.0"
@@ -13630,10 +13629,9 @@
       "version": "1.2.6"
     },
     "minipass": {
-      "version": "4.0.0",
-      "requires": {
-        "yallist": "^4.0.0"
-      }
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-5.0.0.tgz",
+      "integrity": "sha512-3FnjYuehv9k6ovOEbyOswadCDPX1piCfhV8ncmYtHOjuPwylVWsghTLo7rabjC3Rx5xD4HDx8Wm1xnMF7S5qFQ=="
     },
     "minizlib": {
       "version": "2.1.2",
@@ -14548,11 +14546,13 @@
       "dev": true
     },
     "tar": {
-      "version": "6.1.13",
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-6.2.1.tgz",
+      "integrity": "sha512-DZ4yORTwrbTj/7MZYq2w+/ZFdI6OZ/f9SFHR+71gIVUZhOQPHzVCLpvRnPgyaMpfWxxk/4ONva3GQSyNIKRv6A==",
       "requires": {
         "chownr": "^2.0.0",
         "fs-minipass": "^2.0.0",
-        "minipass": "^4.0.0",
+        "minipass": "^5.0.0",
         "minizlib": "^2.1.1",
         "mkdirp": "^1.0.3",
         "yallist": "^4.0.0"
diff --git a/src/models/Offer.js b/src/models/Offer.js
index fa0cee66..1d1400a9 100644
--- a/src/models/Offer.js
+++ b/src/models/Offer.js
@@ -138,7 +138,7 @@ export function validatePublishEndDateLimit(publishDate, publishEndDate) {
 
 // jobMaxDuration must be larger than jobMinDuration
 function validateJobMaxDuration(value) {
-    if (this.jobType === "FREELANCE" && this.jobMinDuration === undefined) return true;
+    if (this.jobType === "FREELANCE" && this.jobMinDuration === null) return true;
     return value >= this.jobMinDuration;
 }