diff --git a/.gitignore b/.gitignore
index 328523c..bbf781f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-kdeedu-4.5.0.tar.bz2
+/kdeedu-4.5.1.tar.bz2
diff --git a/kdeedu.spec b/kdeedu.spec
index 27b4d4b..5b95a40 100644
--- a/kdeedu.spec
+++ b/kdeedu.spec
@@ -7,8 +7,8 @@
 
 Name:    kdeedu
 Summary: Educational/Edutainment applications
-Version: 4.5.0
-Release: 2%{?dist}
+Version: 4.5.1
+Release: 1%{?dist}
 
 License: GPLv2
 Group:	 Amusements/Games
@@ -44,7 +44,6 @@ BuildRequires: gsl-devel
 BuildRequires: kdelibs4-devel >= %{version}
 BuildRequires: plasma-devel >= %{version}
 BuildRequires: libspectre-devel
-BuildRequires: libusb-devel
 BuildRequires: libxml2-devel
 BuildRequires: libxslt-devel
 %if 0%{?with_facile}
@@ -203,6 +202,7 @@ pushd %{_target_platform}
 %{cmake_kde4} ..
 popd
 
+# occasional odd build failures, not %%{?_smp_mflags} safe?  -- Rex
 make -C %{_target_platform}
 
 
@@ -583,6 +583,10 @@ rm -rf %{buildroot}
 
 
 %changelog
+* Fri Aug 27 2010 Jaroslav Reznik <jreznik@redhat.com> - 4.5.1-1
+- 4.5.1
+- drop BR: libusb-devel
+
 * Sun Aug 22 2010 Kevin Kofler <Kevin@tigcc.ticalc.org> - 4.5.0-2
 - BR avogadro-devel >= 1.0.1 and libindi-devel >= 0.6.1
 
diff --git a/sources b/sources
index 3bace33..b0be0e3 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-5fe43e8fd085d5047906008b149734a1  kdeedu-4.5.0.tar.bz2
+43c31e897b8ec759876c15adba5e0a12  kdeedu-4.5.1.tar.bz2