diff --git a/srcpkgs/pdf2djvu/template b/srcpkgs/pdf2djvu/template
index 982ce245875..55d60581218 100644
--- a/srcpkgs/pdf2djvu/template
+++ b/srcpkgs/pdf2djvu/template
@@ -1,7 +1,7 @@
 # Template file for 'pdf2djvu'
 pkgname=pdf2djvu
 version=0.9.19
-revision=6
+revision=7
 build_style=gnu-configure
 hostmakedepends="pkg-config djvulibre gettext"
 makedepends="djvulibre-devel poppler-devel libgraphicsmagick-devel exiv2-devel libuuid-devel"
@@ -14,4 +14,4 @@ changelog="https://raw.githubusercontent.com/jwilk/pdf2djvu/master/doc/changelog
 distfiles="https://github.com/jwilk/pdf2djvu/releases/download/${version}/pdf2djvu-${version}.tar.xz"
 checksum=eb45a480131594079f7fe84df30e4a5d0686f7a8049dc7084eebe22acc37aa9a
 
-export CXXFLAGS="-std=c++17"
+export CXXFLAGS="-std=c++20"