diff --git a/.SRCINFO b/.SRCINFO
index c89b84d..2b21155 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,15 +1,15 @@
 pkgbase = nginx-mainline-mod-vts
 	pkgdesc = Nginx virtual host traffic status module (module for mainline nginx)
 	pkgver = 0.1.18
-	pkgrel = 30
+	pkgrel = 33
 	url = https://github.com/vozlt/nginx-module-vts
 	arch = i686
 	arch = x86_64
 	license = BSD
-	depends = nginx-mainline=1.21.0
-	source = https://nginx.org/download/nginx-1.21.0.tar.gz
+	source = https://nginx.org/download/nginx-1.21.3.tar.gz
 	source = nginx-mainline-mod-vts-0.1.18.tar.gz::https://github.com/vozlt/nginx-module-vts/archive/v0.1.18.tar.gz
-	sha256sums = fe192a4bac2bd3a769e8695cb9fe14a00e57eaceb919095347a83b5b2afc0771
+	sha256sums = 31771c560e46d73650568e8193cb94d981081f83dd62d1ba43af1a1e0ba25185
 	sha256sums = 17ea41d4083f6d1ab1ab83dad9160eeca66867abe16c5a0421f85a39d7c84b65
 
 pkgname = nginx-mainline-mod-vts
+	depends = nginx-mainline=1.21.3
diff --git a/PKGBUILD b/PKGBUILD
index aad53ac..e14826b 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -3,14 +3,14 @@
 
 pkgname=nginx-mainline-mod-vts
 pkgver=0.1.18
-pkgrel=30
+pkgrel=33
 
 _modname="${pkgname#nginx-mainline-mod-}"
-_nginxver=1.21.0
+_nginxver=1.21.3
 
 pkgdesc='Nginx virtual host traffic status module (module for mainline nginx)'
 arch=('i686' 'x86_64')
-depends=("nginx-mainline=$_nginxver")
+depends=()  # the build process doesn't require or use installed nginx, so add the dependency in package() to break the cycle
 url="https://github.com/vozlt/nginx-module-vts"
 license=('BSD')
 
@@ -19,7 +19,7 @@ source=(
 	$pkgname-$pkgver.tar.gz::https://github.com/vozlt/nginx-module-vts/archive/v$pkgver.tar.gz
 )
 
-sha256sums=('fe192a4bac2bd3a769e8695cb9fe14a00e57eaceb919095347a83b5b2afc0771'
+sha256sums=('31771c560e46d73650568e8193cb94d981081f83dd62d1ba43af1a1e0ba25185'
             '17ea41d4083f6d1ab1ab83dad9160eeca66867abe16c5a0421f85a39d7c84b65')
 
 build() {
@@ -29,6 +29,7 @@ build() {
 }
 
 package() {
+	depends=("nginx-mainline=$_nginxver")
 	install -Dm644 "$srcdir"/nginx-module-vts-$pkgver/LICENSE \
 	               "$pkgdir"/usr/share/licenses/$pkgname/LICENSE