diff --git a/package.json b/package.json
index 39e5a27..ea88533 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   "license": "ISC",
   "dependencies": {
     "@ethersproject/abi": "^5.0.9",
-    "@solidity-parser/parser": "^0.18.0",
+    "@solidity-parser/parser": "^0.19.0",
     "chalk": "^2.4.2",
     "death": "^1.1.0",
     "difflib": "^0.2.4",
diff --git a/test/sources/projects/solc-8/contracts/Contract_solc8.sol b/test/sources/projects/solc-8/contracts/Contract_solc8.sol
index 2a28d24..d8d08f2 100644
--- a/test/sources/projects/solc-8/contracts/Contract_solc8.sol
+++ b/test/sources/projects/solc-8/contracts/Contract_solc8.sol
@@ -10,6 +10,7 @@ using Library_solc8 for uint256;
 contract ContractA {
     mapping(bytes32 key => uint256) public authorization;
     address public someAddress;
+    bool transient locked;
 
     function throwError(address _add) external {
         this;
diff --git a/test/sources/projects/solc-8/hardhat.config.js b/test/sources/projects/solc-8/hardhat.config.js
index fd24249..a4072b6 100644
--- a/test/sources/projects/solc-8/hardhat.config.js
+++ b/test/sources/projects/solc-8/hardhat.config.js
@@ -3,11 +3,12 @@ require(__dirname + "/../plugins/nomiclabs.plugin");
 
 module.exports = {
   solidity: {
-    version: "0.8.21",
+    version: "0.8.28",
     settings: {
       optimizer: {
         enabled: true
       },
+      evmVersion: "cancun",
       viaIR: process.env.VIA_IR === "true"
     }
   },
diff --git a/yarn.lock b/yarn.lock
index e87e816..948566c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -905,9 +905,10 @@
   dependencies:
     antlr4ts "^0.5.0-alpha.4"
 
-"@solidity-parser/parser@^0.18.0":
-  version "0.18.0"
-  resolved "https://registry.yarnpkg.com/@solidity-parser/parser/-/parser-0.18.0.tgz#8e77a02a09ecce957255a2f48c9a7178ec191908"
+"@solidity-parser/parser@^0.19.0":
+  version "0.19.0"
+  resolved "https://registry.yarnpkg.com/@solidity-parser/parser/-/parser-0.19.0.tgz#37a8983b2725af9b14ff8c4a475fa0e98d773c3f"
+  integrity sha512-RV16k/qIxW/wWc+mLzV3ARyKUaMUTBy9tOLMzFhtNSKYeTAanQ3a5MudJKf/8arIFnA2L27SNjarQKmFg0w/jA==
 
 "@szmarczak/http-timer@^1.1.2":
   version "1.1.2"