diff --git a/.SRCINFO b/.SRCINFO
index 1a96d29fc7f3..5f677a916dca 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = mcy-nightly
 	pkgdesc = Mutation Cover with Yosys
-	pkgver = 20240411_yosys_0.39
+	pkgver = 20240411_yosys_0.40
 	pkgrel = 1
 	epoch = 1
 	url = https://github.com/YosysHQ/mcy
@@ -18,7 +18,7 @@ pkgbase = mcy-nightly
 	depends = boost-libs
 	optdepends = python-flask
 	options = !strip
-	source = mcy::git+https://github.com/YosysHQ/mcy.git#commit=54ea609
+	source = mcy::git+https://github.com/YosysHQ/mcy.git#commit=a7e686c
 	sha256sums = SKIP
 
 pkgname = mcy-nightly
diff --git a/PKGBUILD b/PKGBUILD
index 0a0a10ac62f8..1dd8e45bdaaf 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Aki-nyan <aur@catgirl.link>
 
 pkgname=mcy-nightly
-pkgver=20240411_yosys_0.39
+pkgver=20240411_yosys_0.40
 pkgrel=1
 epoch=1
 pkgdesc="Mutation Cover with Yosys"
@@ -16,7 +16,7 @@ makedepends=("git" "gcc" "cmake" "boost")
 conflicts=()
 replaces=()
 source=(
-	"mcy::git+https://github.com/YosysHQ/mcy.git#commit=54ea609"
+	"mcy::git+https://github.com/YosysHQ/mcy.git#commit=a7e686c"
 )
 sha256sums=(
 	"SKIP"