diff --git a/.gitignore b/.gitignore
index a55cbc7..2053b91 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@
 /gpsd-3.15.tar.gz
 /gpsd-3.16.tar.gz
 /gpsd-3.17.tar.gz
+/gpsd-3.18.tar.gz
diff --git a/gpsd.spec b/gpsd.spec
index 8cc90b1..cb7328a 100644
--- a/gpsd.spec
+++ b/gpsd.spec
@@ -4,14 +4,14 @@
 %global with_qt 1
 
 Name: %{srcname}
-Version: 3.17
+Version: 3.18
 Release: 5%{?dist}
 Summary: Service daemon for mediating access to a GPS
 
 Group: System Environment/Daemons
 License: BSD
 URL: http://catb.org/gpsd/
-Source0: http://download.savannah.gnu.org/releases/gpsd/%{name}-%{version}.tar.gz
+Source0: https://download-mirror.savannah.gnu.org/releases/gpsd/%{name}-%{version}.tar.gz
 Source11: gpsd.sysconfig
 
 BuildRequires: dbus-devel dbus-glib-devel ncurses-devel xmlto python3-devel
@@ -90,6 +90,7 @@ with the libgps library from gpsd.
 Summary: Clients for gpsd
 Group: Applications/System
 Requires: python3-%{srcname} = %{version}-%{release}
+Requires: python3-pyserial
 Requires: %{srcname}-libs%{?_isa} = %{version}-%{release}
 
 %description clients
@@ -156,7 +157,7 @@ scons \
 
 # Fix python interpreter path.
 sed -e "s,#!/usr/bin/\(python[23]\?\|env \+python[23]\?\),#!/usr/bin/python3,g" -i \
-	gegps gpscat gpsfake xgps xgpsspeed gpsprof gps/*.py
+	gegps gpscat gpsfake xgps xgpsspeed gpsprof gps/*.py ubxtool zerk
 
 
 %install
@@ -235,7 +236,7 @@ desktop-file-install \
 %{_mandir}/man1/ntpshmmon.1*
 
 %files libs
-%{_libdir}/libgps.so.23*
+%{_libdir}/libgps.so.24*
 
 %files -n python3-%{srcname}
 %{_bindir}/gpsprof
@@ -257,7 +258,7 @@ desktop-file-install \
 
 %if %{with_qt}
 %files qt
-%{_libdir}/libQgpsmm.so.23*
+%{_libdir}/libQgpsmm.so.24*
 
 %files qt-devel
 %{_libdir}/libQgpsmm.so
@@ -278,6 +279,8 @@ desktop-file-install \
 %{_bindir}/xgps
 %{_bindir}/xgpsspeed
 %{_bindir}/gpsfake
+%{_bindir}/ubxtool
+%{_bindir}/zerk
 %{_mandir}/man1/gegps.1*
 %{_mandir}/man1/gps.1*
 %{_mandir}/man1/gps2udp.1*
@@ -290,6 +293,8 @@ desktop-file-install \
 %{_mandir}/man1/cgps.1*
 %{_mandir}/man1/gpscat.1*
 %{_mandir}/man1/gpsfake.1*
+%{_mandir}/man1/ubxtool.1*
+%{_mandir}/man1/zerk.1*
 %{_datadir}/applications/*.desktop
 %dir %{_datadir}/gpsd
 %{_datadir}/gpsd/gpsd-logo.png
diff --git a/sources b/sources
index 36de944..53631cd 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (gpsd-3.17.tar.gz) = 71085053f600730e0f2de269c59ce0a17ae106ef01403f02d78418b267c6adb9818d541fba59eb23bf71cdb67c5442c82b4948d262ef7e74bb993dcae677a1b1
+SHA512 (gpsd-3.18.tar.gz) = c80f2ef6856faa0b38f3d258be9801982588916677401654902ef0b8ec9e62c8b3cb9421f41b4a1e2e27a15a3f3562cbf68ce7bf03a19746ab62f80172d85434