diff --git a/DigitalLearningSolutions.Web/package.json b/DigitalLearningSolutions.Web/package.json
index e52890b9f4..5664e53f7b 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": "^3.36.0",
+    "core-js": "^3.39.0",
     "date-fns": "^2.30.0",
     "dompurify": "^2.4.7",
     "input-range-scss": "^1.5.3",
diff --git a/DigitalLearningSolutions.Web/yarn.lock b/DigitalLearningSolutions.Web/yarn.lock
index 6ef3b25efd..3866458575 100644
--- a/DigitalLearningSolutions.Web/yarn.lock
+++ b/DigitalLearningSolutions.Web/yarn.lock
@@ -2533,10 +2533,10 @@ core-js-compat@^3.31.0, core-js-compat@^3.34.0:
   dependencies:
     browserslist "^4.22.2"
 
-core-js@^3.28.0, core-js@^3.36.0:
-  version "3.36.0"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.36.0.tgz#e752fa0b0b462a0787d56e9d73f80b0f7c0dde68"
-  integrity sha512-mt7+TUBbTFg5+GngsAxeKBTl5/VS0guFeJacYge9OmHb+m058UwwIm41SE9T4Den7ClatV57B6TYTuJ0CX1MAw==
+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==
 
 cosmiconfig@^8.2.0:
   version "8.3.6"