diff --git a/packages/react-calendar/package.json b/packages/react-calendar/package.json
index 6d41e78e..6c75f530 100644
--- a/packages/react-calendar/package.json
+++ b/packages/react-calendar/package.json
@@ -61,7 +61,7 @@
     "@types/react-dom": "*",
     "@types/warning": "^3.0.0",
     "cpy-cli": "^5.0.0",
-    "happy-dom": "^12.6.0",
+    "happy-dom": "^15.10.2",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "rimraf": "^6.0.0",
diff --git a/yarn.lock b/yarn.lock
index e2985b78..27dcf531 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1800,17 +1800,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"happy-dom@npm:^12.6.0":
-  version: 12.6.0
-  resolution: "happy-dom@npm:12.6.0"
+"happy-dom@npm:^15.10.2":
+  version: 15.10.2
+  resolution: "happy-dom@npm:15.10.2"
   dependencies:
-    css.escape: "npm:^1.5.1"
     entities: "npm:^4.5.0"
-    iconv-lite: "npm:^0.6.3"
     webidl-conversions: "npm:^7.0.0"
-    whatwg-encoding: "npm:^2.0.0"
     whatwg-mimetype: "npm:^3.0.0"
-  checksum: 10c0/9353bbca619cda9bbfc734d948cc2db74c6bf4b9241e3a770a14415d2c09e8ae65f0a05823010877a517d5e483b934837d6d00d8606fd8242acb855e2d3c39ca
+  checksum: 10c0/b0403c4c53021da25989b320f2a6c0ab760cc538f10e403df9d2f14b0a7d20b1be961192c95322b335dc71fa27941e7e8b883b2d79d7c9c51215a97b3e3097a6
   languageName: node
   linkType: hard
 
@@ -1864,7 +1861,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"iconv-lite@npm:0.6.3, iconv-lite@npm:^0.6.2, iconv-lite@npm:^0.6.3":
+"iconv-lite@npm:^0.6.2":
   version: 0.6.3
   resolution: "iconv-lite@npm:0.6.3"
   dependencies:
@@ -2520,7 +2517,7 @@ __metadata:
     clsx: "npm:^2.0.0"
     cpy-cli: "npm:^5.0.0"
     get-user-locale: "npm:^2.2.1"
-    happy-dom: "npm:^12.6.0"
+    happy-dom: "npm:^15.10.2"
     react: "npm:^18.2.0"
     react-dom: "npm:^18.2.0"
     rimraf: "npm:^6.0.0"
@@ -3153,15 +3150,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"whatwg-encoding@npm:^2.0.0":
-  version: 2.0.0
-  resolution: "whatwg-encoding@npm:2.0.0"
-  dependencies:
-    iconv-lite: "npm:0.6.3"
-  checksum: 10c0/91b90a49f312dc751496fd23a7e68981e62f33afe938b97281ad766235c4872fc4e66319f925c5e9001502b3040dd25a33b02a9c693b73a4cbbfdc4ad10c3e3e
-  languageName: node
-  linkType: hard
-
 "whatwg-mimetype@npm:^3.0.0":
   version: 3.0.0
   resolution: "whatwg-mimetype@npm:3.0.0"