diff --git a/NetworkManager-pptp.spec b/NetworkManager-pptp.spec
index 2567d69..ab2c7db 100644
--- a/NetworkManager-pptp.spec
+++ b/NetworkManager-pptp.spec
@@ -1,8 +1,8 @@
-%define ppp_version 2.5.0
+%define ppp_version 2.5.1
 %define majver %(echo %version | cut -d. -f1-2)
 Name:          NetworkManager-pptp
 Version:       1.2.12
-Release:       2mamba
+Release:       3mamba
 Summary:       NetworkManager plugin for VPN clients using the Point-to-Point Tunneling Protocol
 Group:         Network/Libraries
 Vendor:        openmamba
@@ -26,6 +26,7 @@ BuildRequires: libnm-devel
 BuildRequires: libnma-devel
 BuildRequires: libpango-devel
 BuildRequires: libsecret-devel
+BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
 BuildRequires: libnm-devel >= 1.22.2
 BuildRequires: ppp = %{ppp_version}
@@ -74,6 +75,9 @@ autoreconf -f -i
 #ChangeLog NEWS README TODO
 
 %changelog
+* Fri Oct 11 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 1.2.12-3mamba
+- rebuilt with ppp 2.5.1
+
 * Tue May 23 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 1.2.12-2mamba
 - rebuilt with ppp 2.5.0