diff --git a/libzypp-17.23.1.tar.bz2 b/libzypp-17.23.1.tar.bz2
index bf31a07..40ada33 100644
--- a/libzypp-17.23.1.tar.bz2
+++ b/libzypp-17.23.1.tar.bz2
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:636ee5f4582d3fed74cfd67779cc8f021fdf807356b3e1f4b0f4bc35245f16cb
-size 4759244
+oid sha256:2a1f332c17514e498b1bb51bfe353faa79d2a89e1ef0ece9158b813b050eba25
+size 4759081
diff --git a/libzypp.spec b/libzypp.spec
index 7c36c3a..4e95bbb 100644
--- a/libzypp.spec
+++ b/libzypp.spec
@@ -51,7 +51,7 @@ Recommends:     logrotate
 # lsof is used for 'zypper ps':
 Recommends:     lsof
 %endif
-BuildRequires:  cmake
+BuildRequires:  cmake >= 3.1
 BuildRequires:  openssl-devel
 BuildRequires:  pkgconfig(libudev)
 %if 0%{?suse_version} >= 1330