diff --git a/packages/core/package-lock.json b/packages/core/package-lock.json
index 83aba8751..d53576737 100644
--- a/packages/core/package-lock.json
+++ b/packages/core/package-lock.json
@@ -40,7 +40,8 @@
         "eventsource": "^2.0.2",
         "jest": "^28.1.3",
         "jest-fetch-mock": "^3.0.3",
-        "jsdom": "^20.0.0"
+        "jsdom": "^20.0.0",
+        "mockdate": "^3.0.5"
       }
     },
     "node_modules/@ampproject/remapping": {
@@ -8148,6 +8149,12 @@
         "mkdirp": "bin/cmd.js"
       }
     },
+    "node_modules/mockdate": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/mockdate/-/mockdate-3.0.5.tgz",
+      "integrity": "sha512-iniQP4rj1FhBdBYS/+eQv7j1tadJ9lJtdzgOpvsOHng/GbcDh2Fhdeq+ZRldrPYdXvCyfFUmFeEwEGXZB5I/AQ==",
+      "dev": true
+    },
     "node_modules/moo": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/moo/-/moo-0.5.2.tgz",
@@ -15225,7 +15232,8 @@
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/jest-pnp-resolver/-/jest-pnp-resolver-1.2.3.tgz",
       "integrity": "sha512-+3NpwQEnRoIBtx4fyhblQDPgJI0H1IEIkX7ShLUjPGA7TtUTvI1oiKi3SR4oBR0hQhQR80l4WAe5RrXBwWMA8w==",
-      "dev": true
+      "dev": true,
+      "requires": {}
     },
     "jest-regex-util": {
       "version": "28.0.2",
@@ -15899,7 +15907,8 @@
           "version": "8.11.0",
           "resolved": "https://registry.npmjs.org/ws/-/ws-8.11.0.tgz",
           "integrity": "sha512-HPG3wQd9sNQoT9xHyNCXoDUa+Xw/VevmY9FoHyQ+g+rrMn4j6FB4np7Z0OhdTgjx6MgQLK7jwSy1YecU1+4Asg==",
-          "dev": true
+          "dev": true,
+          "requires": {}
         }
       }
     },
@@ -16099,6 +16108,12 @@
         "minimist": "^1.2.6"
       }
     },
+    "mockdate": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/mockdate/-/mockdate-3.0.5.tgz",
+      "integrity": "sha512-iniQP4rj1FhBdBYS/+eQv7j1tadJ9lJtdzgOpvsOHng/GbcDh2Fhdeq+ZRldrPYdXvCyfFUmFeEwEGXZB5I/AQ==",
+      "dev": true
+    },
     "moo": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/moo/-/moo-0.5.2.tgz",
@@ -17136,7 +17151,8 @@
     "ws": {
       "version": "7.5.9",
       "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.9.tgz",
-      "integrity": "sha512-F+P9Jil7UiSKSkppIiD94dN07AwvFixvLIj1Og1Rl9GGMuNipJnV9JzjD6XuqmAeiswGvUmNLjr5cFuXwNS77Q=="
+      "integrity": "sha512-F+P9Jil7UiSKSkppIiD94dN07AwvFixvLIj1Og1Rl9GGMuNipJnV9JzjD6XuqmAeiswGvUmNLjr5cFuXwNS77Q==",
+      "requires": {}
     },
     "xml-name-validator": {
       "version": "4.0.0",
diff --git a/packages/core/package.json b/packages/core/package.json
index 2166638f8..241d2bdd1 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -26,7 +26,8 @@
     "eventsource": "^2.0.2",
     "jest": "^28.1.3",
     "jest-fetch-mock": "^3.0.3",
-    "jsdom": "^20.0.0"
+    "jsdom": "^20.0.0",
+    "mockdate": "^3.0.5"
   },
   "scripts": {
     "test:e2e": "env-cmd -e e2e jest --forceExit",