diff --git a/package-lock.json b/package-lock.json
index 28ed046d8..6b3d9dac2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4648,9 +4648,9 @@
       }
     },
     "lolex": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/lolex/-/lolex-3.1.0.tgz",
-      "integrity": "sha512-zFo5MgCJ0rZ7gQg69S4pqBsLURbFw11X68C18OcJjJQbqaXm2NoTrGl1IMM3TIz0/BnN1tIs2tzmmqvCsOMMjw=="
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/lolex/-/lolex-4.0.1.tgz",
+      "integrity": "sha512-UHuOBZ5jjsKuzbB/gRNNW8Vg8f00Emgskdq2kvZxgBJCS0aqquAuXai/SkWORlKeZEiNQWZjFZOqIUcH9LqKCw=="
     },
     "lru-cache": {
       "version": "4.1.1",
diff --git a/package.json b/package.json
index e2766cf10..c8fa55848 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "@sinonjs/formatio": "^3.2.1",
     "@sinonjs/samsam": "^3.3.1",
     "diff": "^3.5.0",
-    "lolex": "^3.1.0",
+    "lolex": "^4.0.1",
     "nise": "^1.4.10",
     "supports-color": "^5.5.0"
   },