diff --git a/fping-3.16.tar.gz b/fping-3.16.tar.gz
deleted file mode 100644
index 87695b2..0000000
--- a/fping-3.16.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:2f753094e4df3cdb1d99be1687c0fb7d2f14c0d526ebf03158c8c5519bc78f54
-size 162629
diff --git a/fping-4.0.tar.gz b/fping-4.0.tar.gz
new file mode 100644
index 0000000..f0619ae
--- /dev/null
+++ b/fping-4.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:67eb4152b98ad34f99d2eec4e1098a0bb52caf13c0c89cd147349d08190fe8ce
+size 170060
diff --git a/fping.changes b/fping.changes
index 3916875..1d95608 100644
--- a/fping.changes
+++ b/fping.changes
@@ -1,3 +1,27 @@
+-------------------------------------------------------------------
+Mon May  8 16:33:22 UTC 2017 - liedke@rz.uni-mannheim.de
+
+- Update to version 4.0
+  * feature: Auto-adjust timeout for -c/-C/-l mode to value of -p
+  * feature: Enforce -t timeout on reply packets, by discarding late
+             packets (#32)
+  * feature: Option -d/--rdns now always does a rdns-lookup, even for
+             names, as '-n' was doing until now
+  * feature: Keep original name if a hostname is given with -n/--name
+  * feature: New option -6 to force IPv6
+  * feature: New option -4 to force IPv4
+  * feature: IPv6 enabled by default
+  * feature: Long option names for all options
+  * feature: Unified 'fping' and 'fping6' into one binary (#80)
+  * feature: fping and fping6 are now unified into one binary.
+  * bugfix: -i/-p restrictions disabled by default
+            (enable with --enable-safe-limits)
+  * bugfix: Default interval -i changed from 25ms to 10ms
+  * bugfix: Fix compatibility issue with GNU Hurd
+  * bugfix: A C99 compiler is now required
+  * bugfix: Option parsing with optparse
+  * bugfix: New changelog file format
+
 -------------------------------------------------------------------
 Tue Feb 28 13:06:09 UTC 2017 - liedke@rz.uni-mannheim.de
 
diff --git a/fping.spec b/fping.spec
index d813a8b..e8b92fc 100644
--- a/fping.spec
+++ b/fping.spec
@@ -18,7 +18,7 @@
 
 Name:           fping
 Url:            http://www.fping.org
-Version:        3.16
+Version:        4.0
 Release:        0
 Summary:        A program to ping multiple hosts
 License:        MIT
@@ -48,17 +48,17 @@ designed to be easy to parse.
 %setup -q
 
 %build
-%configure --enable-ipv6 --enable-ipv4
+%configure
 make %{?_smp_mflags}
 
 %install
 %makeinstall
+%{__ln_s} -f fping.8 %{buildroot}%{_mandir}/man8/fping.8
 
 %files
 %defattr(-,root,root)
-%doc ChangeLog COPYING README
-%{_mandir}/man8/fping*.8*
+%doc CHANGELOG.md INSTALL
+%{_mandir}/man8/fping.8.gz
 %{_sbindir}/fping
-%{_sbindir}/fping6
 
 %changelog