diff --git a/packages/incremental-merkle-tree.sol/package.json b/packages/incremental-merkle-tree.sol/package.json
index 0b74205..79ac33d 100644
--- a/packages/incremental-merkle-tree.sol/package.json
+++ b/packages/incremental-merkle-tree.sol/package.json
@@ -21,7 +21,7 @@
         "chai": "^4.3.5",
         "circomlibjs": "^0.0.8",
         "dotenv": "^14.3.2",
-        "ethereum-waffle": "^3.4.0",
+        "ethereum-waffle": "^3.4.4",
         "ethers": "^5.5.3",
         "hardhat": "^2.8.3",
         "hardhat-gas-reporter": "^1.0.7",
diff --git a/yarn.lock b/yarn.lock
index c325d1b..bc07e68 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8788,7 +8788,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ethereum-waffle@npm:^3.4.0":
+"ethereum-waffle@npm:^3.4.4":
   version: 3.4.4
   resolution: "ethereum-waffle@npm:3.4.4"
   dependencies:
@@ -11333,7 +11333,7 @@ __metadata:
     chai: ^4.3.5
     circomlibjs: ^0.0.8
     dotenv: ^14.3.2
-    ethereum-waffle: ^3.4.0
+    ethereum-waffle: ^3.4.4
     ethers: ^5.5.3
     hardhat: ^2.8.3
     hardhat-gas-reporter: ^1.0.7