diff --git a/gnutls.spec b/gnutls.spec
index f9a70bc..5ff5154 100644
--- a/gnutls.spec
+++ b/gnutls.spec
@@ -2,7 +2,7 @@
 %define maj3ver %(echo %version | cut -d. -f1-3)
 Name:          gnutls
 Version:       3.4.11
-Release:       1mamba
+Release:       2mamba
 Summary:       A library which provides a secure layer, over a reliable transport layer
 Group:         System/Libraries
 Vendor:        openmamba
@@ -62,6 +62,10 @@ Group:         Development/Libraries
 Summary:       Static libraries and headers for %{name}
 Requires:      libgnutls = %{?epoch:%epoch:}%{version}-%{release}
 Requires:      libgnutls-guile = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      gnutls = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      libnettle-devel
+Requires:      libtasn1-devel
+Requires:      libp11-kit-devel
 
 %description -n libgnutls-devel
 GnuTLS is a project that aims to develop a library which provides a secure layer, over a reliable transport layer.
@@ -197,6 +201,9 @@ exit 0
 #%doc ChangeLog NEWS README THANKS
 
 %changelog
+* Fri Apr 29 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 3.4.11-2mamba
+- libgnutls-devel: require libnettle-devel libtasn1-devel libp11-kit-devel
+
 * Fri Apr 15 2016 Automatic Build System <autodist@mambasoft.it> 3.4.11-1mamba
 - automatic version update by autodist