diff --git a/crates/common/src/extension.rs b/crates/common/src/extension.rs
index 8cbaa87..401eb47 100644
--- a/crates/common/src/extension.rs
+++ b/crates/common/src/extension.rs
@@ -40,7 +40,7 @@ pub static EXTENSION_LLVM_SOURCE: &str = "ll";
 pub static EXTENSION_LLVM_BINARY: &str = "bc";
 
 /// The PolkaVM assembly file extension.
-pub static EXTENSION_POLKAVM_ASSEMBLY: &str = "zasm";
+pub static EXTENSION_POLKAVM_ASSEMBLY: &str = "pvmasm";
 
 /// The PolkaVM bytecode file extension.
-pub static EXTENSION_POLKAVM_BINARY: &str = "zbin";
+pub static EXTENSION_POLKAVM_BINARY: &str = "pvm";
diff --git a/crates/solidity/src/tests/cli-tests/src/entities.ts b/crates/solidity/src/tests/cli-tests/src/entities.ts
index 345ab01..48a6c37 100644
--- a/crates/solidity/src/tests/cli-tests/src/entities.ts
+++ b/crates/solidity/src/tests/cli-tests/src/entities.ts
@@ -1,8 +1,8 @@
 import * as path from 'path';
 
 const outputDir = 'artifacts';
-const binExtension = ':C.zbin';
-const asmExtension = ':C.zasm';
+const binExtension = ':C.pvm';
+const asmExtension = ':C.pvmasm';
 const contractSolFilename = 'contract.sol';
 const contractYulFilename = 'contract.yul';
 const pathToOutputDir = path.join(__dirname, '..', outputDir);