diff --git a/contracts/utils/math/Math.sol b/contracts/utils/math/Math.sol
index d7fd2f64d15..91f8a31631d 100644
--- a/contracts/utils/math/Math.sol
+++ b/contracts/utils/math/Math.sol
@@ -168,8 +168,10 @@ library Math {
      * zero.
      */
     function average(uint256 a, uint256 b) internal pure returns (uint256) {
-        // (a + b) / 2 can overflow.
-        return (a & b) + (a ^ b) / 2;
+        unchecked {
+            // (a + b) / 2 can overflow.
+            return (a & b) + (a ^ b) / 2;
+        }
     }
 
     /**