diff --git a/.gitignore b/.gitignore
index afee675..a7a450d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@
 /ledmon-0.78.tar.gz
 /ledmon-0.79.tar.gz
 /ledmon-0.80.tar.gz
+/ledmon-0.90.tar.gz
diff --git a/ledmon.spec b/ledmon.spec
index 08f449f..d4d9732 100644
--- a/ledmon.spec
+++ b/ledmon.spec
@@ -1,14 +1,17 @@
 Summary: Enclosure LED Utilities
 Name: ledmon
-Version: 0.80
-Release: 6%{?dist}
+Version: 0.90
+Release: 1%{?dist}
 License: GPLv2+
 Group: Applications/System
-URL: http://sourceforge.net/projects/ledmon/
-Source0: http://download.sourceforge.net/%{name}/%{name}-%{version}.tar.gz
+URL: https://github.com/intel/ledmon
+Source0: https://github.com/intel/ledmon/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
+
 Patch0: ledmon_cflags.patch
 BuildRequires: perl-interpreter
 BuildRequires: sg3_utils-devel
+# Needed for the udev dependency.
+BuildRequires: systemd-devel
 Obsoletes: ledctl = 0.1-1
 Provides: ledctl = %{version}-%{release}
 Requires: sg3_utils-libs
@@ -38,6 +41,9 @@ make install INSTALL="%{__install} -p" DESTDIR=$RPM_BUILD_ROOT SBIN_DIR=$RPM_BUI
 %{_mandir}/*/*
 
 %changelog
+* Wed Mar 14 2018 Jan Synáček <jsynacek@redhat.com> - 0.90-1
+- update to 0.90 (#1555099)
+
 * Mon Feb 26 2018 Jan Synáček <jsynacek@redhat.com> - 0.80-6
 - use distribution LDFLAGS during build (#1548551)
 
diff --git a/ledmon_cflags.patch b/ledmon_cflags.patch
index 81e9a98..a049b52 100644
--- a/ledmon_cflags.patch
+++ b/ledmon_cflags.patch
@@ -1,18 +1,18 @@
---- ledmon-0.80/src/Makefile	2016-11-25 13:59:48.000000000 +0100
-+++ ledmon-0.80-new/src/Makefile	2018-02-26 13:06:00.911085377 +0100
-@@ -57,15 +57,10 @@ LEDCTL_OBJECTS=\
- 	$(OUTDIR)/ledctl.o	\
- 	$(OBJECTS)
+--- ledmon-0.90/src/Makefile	2018-02-14 12:26:04.000000000 +0100
++++ ledmon-0.90-new/src/Makefile	2018-03-14 09:45:12.887450849 +0100
+@@ -64,15 +64,10 @@ TEST_CONFIG_OBJECTS=\
+ 	$(OUTDIR)/list.o	\
+ 	$(OUTDIR)/utils.o
  
--CXFLAGS=-O0 -g
+-CXFLAGS=-O0 -g -std=gnu99
 -CWFLAGS=-Wall
 -CFLAGS=$(CXFLAGS) $(CWFLAGS)
 -
- DEFFLAGS=-D_DEBUG -D_GNU_SOURCE -D_BSD_SOURCE -DDMALLOC_DISABLE
+ DEFFLAGS=-D_DEBUG -D_GNU_SOURCE -D_DEFAULT_SOURCE -DDMALLOC_DISABLE
  CPPFLAGS=$(DEFFLAGS)
  ALL_CPPFLAGS=$(CPPFLAGS) -I../config
  
 -LDFLAGS=$(CXFLAGS)
- LDLIBS=-lsgutils2
+ LDLIBS=-lsgutils2 -ludev
  
  SOURCES:=$(shell find -name "*.[cC]" -print)
diff --git a/sources b/sources
index 36753a8..6ae0108 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-bb7368117320d8d2b2c9403f0f3530a2  ledmon-0.80.tar.gz
+SHA512 (ledmon-0.90.tar.gz) = 9b97b254d1aa54624743293d4c77829e87674ea213da746133473152455bd34e61e456dd7c53eb5d66e5a90fd0927629130965e3bf0a81bf239fe97a2b2b92a4