diff --git a/.gitignore b/.gitignore
index 08745af..5a1a007 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-/nspr-4.9.6.tar.bz2
+/nspr-4.10.tar.bz2
diff --git a/nspr-config-pc.patch b/nspr-config-pc.patch
index 7f49853..2c1fe87 100644
--- a/nspr-config-pc.patch
+++ b/nspr-config-pc.patch
@@ -1,10 +1,6 @@
-Index: ./mozilla/nsprpub/config/nspr-config.in
-===================================================================
-RCS file: /cvsroot/mozilla/nsprpub/config/nspr-config.in,v
-retrieving revision 1.8
-diff -u -p -r1.8 nspr-config.in
---- ./mozilla/nsprpub/config/nspr-config.in	6 Mar 2012 13:13:39 -0000	1.8
-+++ ./mozilla/nsprpub/config/nspr-config.in	22 Jun 2012 02:36:56 -0000
+diff -up nspr/config/nspr-config.in.flags nspr/config/nspr-config.in
+--- nspr/config/nspr-config.in.flags	2013-05-29 13:46:34.147971410 -0700
++++ nspr/config/nspr-config.in	2013-05-29 14:17:10.990838914 -0700
 @@ -102,7 +102,7 @@ if test -z "$includedir"; then
      includedir=@includedir@
  fi
@@ -29,14 +25,10 @@ diff -u -p -r1.8 nspr-config.in
 +      echo $libdirs `pkg-config --variable=os_libs nspr`
  fi      
  
-Index: ./mozilla/nsprpub/config/nspr.pc.in
-===================================================================
-RCS file: /cvsroot/mozilla/nsprpub/config/nspr.pc.in,v
-retrieving revision 1.1
-diff -u -p -r1.1 nspr.pc.in
---- ./mozilla/nsprpub/config/nspr.pc.in	18 May 2012 22:26:17 -0000	1.1
-+++ ./mozilla/nsprpub/config/nspr.pc.in	22 Jun 2012 02:36:56 -0000
-@@ -6,5 +8,5 @@ includedir=@includedir@
+diff -up nspr/config/nspr.pc.in.flags nspr/config/nspr.pc.in
+--- nspr/config/nspr.pc.in.flags	2013-05-29 13:48:15.026643570 -0700
++++ nspr/config/nspr.pc.in	2013-05-29 13:49:47.795202949 -0700
+@@ -6,5 +6,5 @@ includedir=@includedir@
  Name: NSPR
  Description: The Netscape Portable Runtime
  Version: @MOD_MAJOR_VERSION@.@MOD_MINOR_VERSION@.@MOD_PATCH_VERSION@
diff --git a/nspr.spec b/nspr.spec
index 0533829..ab151d1 100644
--- a/nspr.spec
+++ b/nspr.spec
@@ -1,6 +1,6 @@
 Summary:        Netscape Portable Runtime
 Name:           nspr
-Version:        4.9.6
+Version:        4.10
 Release:        1%{?dist}
 License:        MPLv2.0
 URL:            http://www.mozilla.org/projects/nspr/
@@ -42,8 +42,8 @@ Header files for doing development with the Netscape Portable Runtime.
 # However, we need to use original nspr-config to produce some variables
 # that go into nspr.pc for pkg-config.
 
-cp ./mozilla/nsprpub/config/nspr-config.in ./mozilla/nsprpub/config/nspr-config-pc.in
-%patch1 -p0
+cp ./nspr/config/nspr-config.in ./nspr/config/nspr-config-pc.in
+%patch1 -p0 -b flags
 
 %build
 
@@ -51,7 +51,7 @@ cp ./mozilla/nsprpub/config/nspr-config.in ./mozilla/nsprpub/config/nspr-config-
 LDFLAGS+=-Wl,-z,relro
 export LDFLAGS
 
-./mozilla/nsprpub/configure \
+./nspr/configure \
                  --prefix=%{_prefix} \
                  --libdir=%{_libdir} \
                  --includedir=%{_includedir}/nspr4 \
@@ -69,7 +69,7 @@ make
 %check
 
 # Run test suite.
-perl ./mozilla/nsprpub/pr/tests/runtests.pl 2>&1 | tee output.log
+perl ./nspr/pr/tests/runtests.pl 2>&1 | tee output.log
 
 TEST_FAILURES=`grep -c FAILED ./output.log` || :
 if [ $TEST_FAILURES -ne 0 ]; then
@@ -120,6 +120,9 @@ NSPR_VERSION=`./config/nspr-config --version`
 %{_bindir}/nspr-config
 
 %changelog
+* Wed May 29 2013 Elio Maldonado <emaldona@redhat.com> - 4.10-1
+- Update to NSPR_4_10_RTM
+
 * Mon May 06 2013 Elio Maldonado <emaldona@redhat.com> - 4.9.6-1
 - Update to NSPR_4_9_6_RTM
 
diff --git a/sources b/sources
index 73b94ae..dfd94f8 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-9e92339955ae8e5b238f860bd79cf784  nspr-4.9.6.tar.bz2
+200acfebeec7cf5055d47f09b5e705e7  nspr-4.10.tar.bz2