diff --git a/.gitignore b/.gitignore
index 804b3d5..578c2b5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ biopython-1.54.tar.gz
 /biopython-1.60.tar.gz
 /biopython-1.64.tar.gz
 /biopython-1.65.tar.gz
+/biopython-1.66.tar.gz
diff --git a/python-biopython.spec b/python-biopython.spec
index 325e087..7f35631 100644
--- a/python-biopython.spec
+++ b/python-biopython.spec
@@ -2,8 +2,8 @@
 %{!?python_sitearch: %define python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print get_python_lib(1)")}
 
 Name:             python-biopython
-Version:          1.65
-Release:          2%{?dist}
+Version:          1.66
+Release:          1%{?dist}
 Summary:          Python tools for computational molecular biology
 Source0:          http://biopython.org/DIST/biopython-%{version}.tar.gz
 License:          MIT
@@ -66,6 +66,9 @@ rm -rf $RPM_BUILD_ROOT
 %{python_sitearch}/BioSQL/*
 
 %changelog
+* Tue Dec 08 2015 Luis Bazan <lbazan@fedoraproject.org> - 1.66-1
+- new upstream version
+
 * Thu Jun 18 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.65-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
 
diff --git a/sources b/sources
index 3d11850..963f54c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-143e7861ade85c0a8b5e2bbdd1da1f67  biopython-1.65.tar.gz
+2f09afb0a7740a70f64b6d10dfc2582b  biopython-1.66.tar.gz