diff --git a/.SRCINFO b/.SRCINFO
index cf65973..eb898f6 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -11,8 +11,8 @@ pkgbase = elibsrv
 	depends = sqlite
 	depends = php-sqlite
 	depends = php-gd
+	depends = poppler
 	optdepends = kindlegen
-	optdepends = poppler
 	source = http://downloads.sourceforge.net/sourceforge/elibsrv/elibsrv-20170325.tar.xz
 	sha256sums = 2530853a48c542876eef719240d3bb3b28132e76090dbe56a902d80d2f08ddb2
 
diff --git a/PKGBUILD b/PKGBUILD
index 136294c..bed4a09 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -6,8 +6,8 @@ pkgdesc="a light OPDS library server for EPUB and PDF ebooks"
 arch=('x86_64' 'i686')
 url="http://elibsrv.sourceforge.net/"
 license=('GPL')
-depends=('ebook-tools' 'php' 'sqlite' 'php-sqlite' 'php-gd')
-optdepends=('kindlegen' 'poppler')
+depends=('ebook-tools' 'php' 'sqlite' 'php-sqlite' 'php-gd' 'poppler')
+optdepends=('kindlegen')
 source=("http://downloads.sourceforge.net/sourceforge/$pkgname/$pkgname-$pkgver.tar.xz")
 sha256sums=('2530853a48c542876eef719240d3bb3b28132e76090dbe56a902d80d2f08ddb2')