diff --git a/.SRCINFO b/.SRCINFO
index 2e034d00bfe3..d098989ae4d2 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = mcy-nightly
 	pkgdesc = Mutation Cover with Yosys
-	pkgver = 20250820_v0.56
+	pkgver = 20250821_v0.56
 	pkgrel = 1
 	epoch = 1
 	url = https://github.com/YosysHQ/mcy
diff --git a/PKGBUILD b/PKGBUILD
index 2d5194f4a16a..9409277737d3 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Aki-nyan <aur@catgirl.link>
 
 pkgname=mcy-nightly
-pkgver=20250820_v0.56
+pkgver=20250821_v0.56
 pkgrel=1
 epoch=1
 pkgdesc="Mutation Cover with Yosys"