diff --git a/tools/rpm/README b/tools/rpm/README
index c1a63a1890..78bac07ede 100644
--- a/tools/rpm/README
+++ b/tools/rpm/README
@@ -2,7 +2,7 @@ Steps to set up a virtual machine for building RPMs
 
 Configure a new virtual machine instance for each platform and distribution
 Tested KVM/QEMU settings:
- 1 CPU, 2048 MB RAM, 15 GB disk image, VGA graphics, Core2duo CPU 32-bit/64-bit
+ 1 CPU, 2048 MB RAM, 20 GB qcow2 disk image, VMVGA graphics, Core2duo CPU 32-bit/64-bit
 
 Install distribution via CD/DVD ISO image (netinstall version)
 - standard (non-LVM) partition layout, 2GB Swap only, 500MB /boot, rest /
@@ -14,7 +14,7 @@ Make sure the following additional packages (and dependencies) are installed
     vim-enhanced openssh-clients python-devel tar screen
     yum-utils rpmdevtools rpm-build redhat-rpm-config createrepo
     git make gcc-c++ gcc-gfortran
-    mpich2-devel openmpi-devel fftw-devel libjpeg-turbo-devel libpng-devel
+    mpich-devel openmpi-devel fftw-devel libjpeg-turbo-devel libpng-devel
 
   + on OpenSuSE
     yast2-online-update-frontend
@@ -37,7 +37,7 @@ Edit $HOME/.bash_profile to set environment variables for depositing files
 MYRPM_REPO_HOST MYRPM_REPO_USER MYRPM_REPO_DIR
 
 Clone LAMMPS-ICMS tree via:
- git clone git://git.icms.temple.edu/lammps-icms.git lammps-icms
+ git clone git://git.lammps.org/lammps-icms.git lammps-icms
 
 Build and sync the RPMs to the repository with:
 cd lammps-icms;
diff --git a/tools/rpm/lammps.spec b/tools/rpm/lammps.spec
index 01dede58b6..4e4f5c68bf 100644
--- a/tools/rpm/lammps.spec
+++ b/tools/rpm/lammps.spec
@@ -1,19 +1,17 @@
-# verified on Fedora 17     / x86_64 / 2015-03-18
-# verified on Fedora 17     / i386   / 2015-03-18
-# verified on Fedora 18     / x86_64 / 2015-03-18
-# verified on Fedora 18     / i386   / 2015-03-18
-# verified on Fedora 19     / x86_64 / 2015-03-18
-# verified on Fedora 19     / i386   / 2015-03-18
-# verified on Fedora 20     / x86_64 / 2015-03-18
-# verified on Fedora 20     / i386   / 2015-03-18
-# verified on Fedora 21     / x86_64 / 2015-03-18
-# verified on CentOS 6.6    / x86_64 / 2015-03-18
-# verified on CentOS 6.6    / i386   / 2015-03-18
-# verified on CentOS 7.0    / x86_64 / 2015-03-18
-# verified on OpenSuSE 12.3 / x86_64 / 2015-03-18
-# verified on OpenSuSE 12.3 / i586   / 2015-03-18
-# verified on OpenSuSE 13.1 / x86_64 / 2015-03-18
-# verified on OpenSuSE 13.1 / i586   / 2015-03-18
+# verified on Fedora 19     / x86_64 / 2015-10-16
+# verified on Fedora 19     / i386   / 2015-10-16
+# verified on Fedora 20     / x86_64 / 2015-10-16
+# verified on Fedora 20     / i386   / 2015-10-16
+# verified on Fedora 21     / x86_64 / 2015-10-16
+# verified on Fedora 22     / x86_64 / 2015-10-16
+# verified on Fedora 23     / x86_64 / 2015-10-16
+# verified on CentOS 6.6    / x86_64 / 2015-10-16
+# verified on CentOS 6.6    / i386   / 2015-10-16
+# verified on CentOS 7.0    / x86_64 / 2015-10-16
+# verified on OpenSuSE 12.3 / x86_64 / 2015-10-16
+# verified on OpenSuSE 12.3 / i586   / 2015-10-16
+# verified on OpenSuSE 13.1 / x86_64 / 2015-10-16
+# verified on OpenSuSE 13.1 / i586   / 2015-10-16
 
 %ifnarch s390 s390x
 %global with_openmpi 1
@@ -45,7 +43,7 @@
 %{!?python_sitearch: %global python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib(1))")}
 
 Name:           lammps
-Version:        20150406
+Version:        20151016
 Release:        12%{?dist}
 Summary:        LAMMPS Molecular Dynamics Simulator
 Group:          Applications/Engineering
@@ -404,8 +402,8 @@ rm -rf %{buildroot}
 
 
 %changelog
-* Mon Apr 06 2015 Axel Kohlmeyer <akohlmey@gmail.com> - 20140123-12
-- add support for including the KOKKOS package in OpenMP mode
+* Fri Oct 16 2015 Axel Kohlmeyer <akohlmey@gmail.com> - 20151016-12
+- Update for removal of Fedora 17/18 and addition of Fedora 23
 
 * Thu Jan 23 2014 Axel Kohlmeyer <akohlmey@gmail.com> - 20140123-7
 - Handle dependencies on MPI-IO for USER-LB and MPIIO.