diff --git a/installer/installer.go b/installer/installer.go
index b7d07c5a7..332cc14e7 100644
--- a/installer/installer.go
+++ b/installer/installer.go
@@ -392,7 +392,7 @@ const (
 var packages = map[string]packageInfo{
 	FFIPackage: {
 		libName:     "libpact_ffi",
-		version:     "0.4.20",
+		version:     "0.4.21",
 		semverRange: ">= 0.4.0, < 1.0.0",
 	},
 }