diff --git a/.SRCINFO b/.SRCINFO
index e27c99fa770d..ac360bfedb67 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = mcy-nightly
 	pkgdesc = Mutation Cover with Yosys
-	pkgver = 20250920_v0.57
+	pkgver = 20250921_v0.57
 	pkgrel = 1
 	epoch = 1
 	url = https://github.com/YosysHQ/mcy
diff --git a/PKGBUILD b/PKGBUILD
index af84e480a726..beb4360910a2 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Aki-nyan <aur@catgirl.link>
 
 pkgname=mcy-nightly
-pkgver=20250920_v0.57
+pkgver=20250921_v0.57
 pkgrel=1
 epoch=1
 pkgdesc="Mutation Cover with Yosys"