diff --git a/DigitalLearningSolutions.Web/package-lock.json b/DigitalLearningSolutions.Web/package-lock.json
index fff9d819e2..2f393aecfc 100644
--- a/DigitalLearningSolutions.Web/package-lock.json
+++ b/DigitalLearningSolutions.Web/package-lock.json
@@ -10,7 +10,7 @@
       "dependencies": {
         "@types/chartist": "^0.11.1",
         "chartist": "^0.11.4",
-        "core-js": "^3.39.0",
+        "core-js": "^3.40.0",
         "date-fns": "^2.30.0",
         "dompurify": "^2.5.8",
         "input-range-scss": "^1.5.3",
@@ -4482,9 +4482,9 @@
       "dev": true
     },
     "node_modules/core-js": {
-      "version": "3.39.0",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.39.0.tgz",
-      "integrity": "sha512-raM0ew0/jJUqkJ0E6e8UDtl+y/7ktFivgWvqw8dNSQeNWoSDLvQ1H/RN3aPXB9tBd4/FhyR4RDPGhsNIMsAn7g==",
+      "version": "3.40.0",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.40.0.tgz",
+      "integrity": "sha512-7vsMc/Lty6AGnn7uFpYT56QesI5D2Y/UkgKounk87OP9Z2H9Z8kj6jzcSGAxFmUtDOS0ntK6lbQz+Nsa0Jj6mQ==",
       "hasInstallScript": true,
       "funding": {
         "type": "opencollective",
@@ -14274,9 +14274,9 @@
       "dev": true
     },
     "core-js": {
-      "version": "3.39.0",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.39.0.tgz",
-      "integrity": "sha512-raM0ew0/jJUqkJ0E6e8UDtl+y/7ktFivgWvqw8dNSQeNWoSDLvQ1H/RN3aPXB9tBd4/FhyR4RDPGhsNIMsAn7g=="
+      "version": "3.40.0",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.40.0.tgz",
+      "integrity": "sha512-7vsMc/Lty6AGnn7uFpYT56QesI5D2Y/UkgKounk87OP9Z2H9Z8kj6jzcSGAxFmUtDOS0ntK6lbQz+Nsa0Jj6mQ=="
     },
     "core-js-compat": {
       "version": "3.36.0",
diff --git a/DigitalLearningSolutions.Web/package.json b/DigitalLearningSolutions.Web/package.json
index 264951c07b..cd42b6dc9e 100644
--- a/DigitalLearningSolutions.Web/package.json
+++ b/DigitalLearningSolutions.Web/package.json
@@ -23,7 +23,7 @@
   "dependencies": {
     "@types/chartist": "^0.11.1",
     "chartist": "^0.11.4",
-    "core-js": "^3.39.0",
+    "core-js": "^3.40.0",
     "date-fns": "^2.30.0",
     "dompurify": "^2.5.8",
     "input-range-scss": "^1.5.3",
diff --git a/DigitalLearningSolutions.Web/yarn.lock b/DigitalLearningSolutions.Web/yarn.lock
index 5639bd6f8b..a513cbfdab 100644
--- a/DigitalLearningSolutions.Web/yarn.lock
+++ b/DigitalLearningSolutions.Web/yarn.lock
@@ -2523,10 +2523,10 @@ core-js-compat@^3.31.0, core-js-compat@^3.34.0:
   dependencies:
     browserslist "^4.22.2"
 
-core-js@^3.28.0, core-js@^3.39.0:
-  version "3.39.0"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.39.0.tgz#57f7647f4d2d030c32a72ea23a0555b2eaa30f83"
-  integrity sha512-raM0ew0/jJUqkJ0E6e8UDtl+y/7ktFivgWvqw8dNSQeNWoSDLvQ1H/RN3aPXB9tBd4/FhyR4RDPGhsNIMsAn7g==
+core-js@^3.28.0, core-js@^3.40.0:
+  version "3.40.0"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.40.0.tgz#2773f6b06877d8eda102fc42f828176437062476"
+  integrity sha512-7vsMc/Lty6AGnn7uFpYT56QesI5D2Y/UkgKounk87OP9Z2H9Z8kj6jzcSGAxFmUtDOS0ntK6lbQz+Nsa0Jj6mQ==
 
 cosmiconfig@^8.2.0:
   version "8.3.6"