diff --git a/cups-filters.spec b/cups-filters.spec
index 2e0e7ce..fd9922f 100644
--- a/cups-filters.spec
+++ b/cups-filters.spec
@@ -1,5 +1,5 @@
 Name:          cups-filters
-Version:       1.27.3
+Version:       1.27.4
 Release:       1mamba
 Summary:       Backends, filters, and other software for the CUPS printing system
 Group:         System/Spooling
@@ -40,6 +40,7 @@ BuildRequires: libqpdf-devel >= 8.0.0-1mamba
 %if "%{stage1}" != "1"
 BuildRequires: php-devel
 %endif
+BuildRequires: libqpdf-devel >= 10.0.1
 BuildRequires: libpoppler-devel >= 0.40
 BuildRequires: libpoppler-cpp-devel >= 0.40
 BuildRequires: libqpdf-devel >= 9.0.1
@@ -176,6 +177,9 @@ install -D -m0644 utils/cups-browsed.service %{buildroot}%{_unitdir}/cups-browse
 %{_datadir}/doc/cups-filters/README
 
 %changelog
+* Sat Apr 11 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 1.27.4-1mamba
+- update to 1.27.4
+
 * Sat Mar 21 2020 Automatic Build System <autodist@mambasoft.it> 1.27.3-1mamba
 - automatic version update by autodist