diff --git a/libcryptopp.spec b/libcryptopp.spec
index ce9be86..7d73572 100644
--- a/libcryptopp.spec
+++ b/libcryptopp.spec
@@ -1,7 +1,7 @@
 %define        realversion %(echo %version | tr -d .)
 Name:          libcryptopp
 Version:       5.6.2
-Release:       2mamba
+Release:       3mamba
 Summary:       Free C++ class library of cryptographic schemes
 Group:         System/Libraries
 Vendor:        openmamba
@@ -66,14 +66,14 @@ find . -type f -exec dos2unix {} \;
 #%patch2 -p1
 
 %build
-%{make} \
+%make LIBDIR=%{_lib} \
 %ifarch x86_64
    CXXFLAGS+="-fPIC"
 %endif
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-%makeinstall
+%makeinstall LIBDIR=%{_lib}
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -111,6 +111,9 @@ fi
 #%{_bindir}/cryptest
 
 %changelog
+* Fri Jan 29 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 5.6.2-3mamba
+- rebuilt with gcc 5.3.0
+
 * Mon Aug 19 2013 Silvan Calarco <silvan.calarco@mambasoft.it> 5.6.2-2mamba
 - %pre: fix /usr/include/cryptopp directory becoming a symlink