diff --git a/package-lock.json b/package-lock.json
index 3762ccd..12c8513 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
       "devDependencies": {
         "@graphprotocol/graph-cli": "^0.20.0",
         "@graphprotocol/graph-ts": "^0.20.0",
-        "@types/chai": "^4.2.17",
+        "@types/chai": "^4.2.18",
         "@types/chai-spies": "^1.0.3",
         "@types/mocha": "^8.2.2",
         "@typescript-eslint/eslint-plugin": "^4.22.0",
@@ -662,9 +662,9 @@
       }
     },
     "node_modules/@types/chai": {
-      "version": "4.2.17",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.17.tgz",
-      "integrity": "sha512-LaiwWNnYuL8xJlQcE91QB2JoswWZckq9A4b+nMPq8dt8AP96727Nb3X4e74u+E3tm4NLTILNI9MYFsyVc30wSA==",
+      "version": "4.2.18",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.18.tgz",
+      "integrity": "sha512-rS27+EkB/RE1Iz3u0XtVL5q36MGDWbgYe7zWiodyKNUnthxY0rukK5V36eiUCtCisB7NN8zKYH6DO2M37qxFEQ==",
       "dev": true
     },
     "node_modules/@types/chai-spies": {
@@ -13442,9 +13442,9 @@
       }
     },
     "@types/chai": {
-      "version": "4.2.17",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.17.tgz",
-      "integrity": "sha512-LaiwWNnYuL8xJlQcE91QB2JoswWZckq9A4b+nMPq8dt8AP96727Nb3X4e74u+E3tm4NLTILNI9MYFsyVc30wSA==",
+      "version": "4.2.18",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.18.tgz",
+      "integrity": "sha512-rS27+EkB/RE1Iz3u0XtVL5q36MGDWbgYe7zWiodyKNUnthxY0rukK5V36eiUCtCisB7NN8zKYH6DO2M37qxFEQ==",
       "dev": true
     },
     "@types/chai-spies": {
diff --git a/package.json b/package.json
index 9f065ee..f9ef4b9 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   "devDependencies": {
     "@graphprotocol/graph-cli": "^0.20.0",
     "@graphprotocol/graph-ts": "^0.20.0",
-    "@types/chai": "^4.2.17",
+    "@types/chai": "^4.2.18",
     "@types/chai-spies": "^1.0.3",
     "@types/mocha": "^8.2.2",
     "@typescript-eslint/eslint-plugin": "^4.22.0",