diff --git a/src/ffi/index.ts b/src/ffi/index.ts
index b8dc62ca..74a9f67e 100644
--- a/src/ffi/index.ts
+++ b/src/ffi/index.ts
@@ -4,7 +4,7 @@ import logger, { DEFAULT_LOG_LEVEL } from '../logger';
 import { LogLevel } from '../logger/types';
 import { Ffi } from './types';
 
-export const PACT_FFI_VERSION = '0.4.19';
+export const PACT_FFI_VERSION = '0.4.20';
 
 // supported prebuilds
 // darwin-arm64