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OpenZeppelin · Jun 16, 2023 · bc95521 · bc95521
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diff --git a/.changeset/shy-crews-teach.md b/.changeset/shy-crews-teach.md
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Changelog
 
 
+## 4.9.2 (2023-06-16)
+
+- `MerkleProof`: Fix a bug in `processMultiProof` and `processMultiProofCalldata` that allows proving arbitrary leaves if the tree contains a node with value 0 at depth 1.
+
 ## 4.9.1 (2023-06-07)
 
 - `Governor`: Add a mechanism to restrict the address of the proposer using a suffix in the description.

diff --git a/contracts/package.json b/contracts/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@openzeppelin/contracts-upgradeable",
   "description": "Secure Smart Contract library for Solidity",
-  "version": "4.9.1",
+  "version": "4.9.2",
   "files": [
     "**/*.sol",
     "/build/contracts/*.json",

diff --git a/contracts/utils/cryptography/MerkleProofUpgradeable.sol b/contracts/utils/cryptography/MerkleProofUpgradeable.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/MerkleProof.sol)
+// OpenZeppelin Contracts (last updated v4.9.2) (utils/cryptography/MerkleProof.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/package.json b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "openzeppelin-solidity",
   "description": "Secure Smart Contract library for Solidity",
-  "version": "4.9.1",
+  "version": "4.9.2",
   "files": [
     "/contracts/**/*.sol",
     "/build/contracts/*.json",