diff --git a/explorer/package-lock.json b/explorer/package-lock.json
index 74e872e924..2fba3f823e 100644
--- a/explorer/package-lock.json
+++ b/explorer/package-lock.json
@@ -3033,9 +3033,9 @@
       }
     },
     "@types/chai": {
-      "version": "4.2.15",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.15.tgz",
-      "integrity": "sha512-rYff6FI+ZTKAPkJUoyz7Udq3GaoDZnxYDEvdEdFZASiA7PoErltHezDishqQiSDWrGxvxmplH304jyzQmjp0AQ=="
+      "version": "4.2.16",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.16.tgz",
+      "integrity": "sha512-vI5iOAsez9+roLS3M3+Xx7w+WRuDtSmF8bQkrbcIJ2sC1PcDgVoA0WGpa+bIrJ+y8zqY2oi//fUctkxtIcXJCw=="
     },
     "@types/chart.js": {
       "version": "2.9.31",
diff --git a/explorer/package.json b/explorer/package.json
index b9c079b019..25fcc743b1 100644
--- a/explorer/package.json
+++ b/explorer/package.json
@@ -13,7 +13,7 @@
     "@testing-library/user-event": "^13.1.1",
     "@types/bn.js": "^5.1.0",
     "@types/bs58": "^4.0.1",
-    "@types/chai": "^4.2.15",
+    "@types/chai": "^4.2.16",
     "@types/chart.js": "^2.9.31",
     "@types/classnames": "^2.2.11",
     "@types/jest": "^26.0.22",