diff --git a/contracts/libraries/UnsafeMathUint256.sol b/contracts/libraries/UnsafeMathUint256.sol
new file mode 100644
index 0000000..631b86b
--- /dev/null
+++ b/contracts/libraries/UnsafeMathUint256.sol
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+library UnsafeMathUint256 {
+  function unsafeAdd(uint256 a, uint256 b) internal pure returns (uint256) {
+      unchecked {
+          return a + b;
+      }
+  }
+
+  function unsafeSubtract(uint256 a, uint256 b) internal pure returns (uint256) {
+      unchecked {
+          return a - b;
+      }
+  }
+
+  function unsafeMultiply(uint256 a, uint256 b) internal pure returns (uint256) {
+      unchecked {
+          return a * b;
+      }
+  }
+
+  function unsafeDivide(uint256 a, uint256 b) internal pure returns (uint256) {
+      unchecked {
+          return a / b;
+      }
+  }
+}
\ No newline at end of file