diff --git a/package.json b/package.json
index e5a10234..08806c41 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "bootstrap": "^4.6.0",
     "bootstrap-vue": "^2.22.0",
     "bootswatch": "^5.2.2",
-    "core-js": "^3.25.5",
+    "core-js": "^3.26.0",
     "date-fns": "^2.29.3",
     "date-fns-tz": "^1.3.7",
     "echarts": "^5.4.0",
diff --git a/yarn.lock b/yarn.lock
index 27834ec9..76e95947 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1886,10 +1886,10 @@ convert-source-map@^1.4.0, convert-source-map@^1.6.0, convert-source-map@^1.7.0:
   dependencies:
     safe-buffer "~5.1.1"
 
-core-js@^3.25.5:
-  version "3.25.5"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.25.5.tgz#e86f651a2ca8a0237a5f064c2fe56cef89646e27"
-  integrity sha512-nbm6eZSjm+ZuBQxCUPQKQCoUEfFOXjUZ8dTTyikyKaWrTYmAVbykQfwsKE5dBK88u3QCkCrzsx/PPlKfhsvgpw==
+core-js@^3.26.0:
+  version "3.26.0"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.26.0.tgz#a516db0ed0811be10eac5d94f3b8463d03faccfe"
+  integrity sha512-+DkDrhoR4Y0PxDz6rurahuB+I45OsEUv8E1maPTB6OuHRohMMcznBq9TMpdpDMm/hUPob/mJJS3PqgbHpMTQgw==
 
 core-util-is@1.0.2:
   version "1.0.2"