diff --git a/wpkg-firefox.spec b/wpkg-firefox.spec
index 70fbc8c..ae9287c 100644
--- a/wpkg-firefox.spec
+++ b/wpkg-firefox.spec
@@ -1,5 +1,5 @@
 %define package firefox
-%define version 31.8.0esr
+%define version 38.1.0esr
 %define release 1
 
 Name:		wpkg-%{package}
@@ -42,6 +42,9 @@ cp -r packages/* %{buildroot}/home/e-smith/files/shares/wpkg/files/packages/
 /bin/rm -rf %{buildroot}
 
 %changelog
+* Thu Jul 16 2015 Daniel Berteaud <daniel@firewall-services.com> 38.1.0esr-1
+- Update to 38.1.0esr
+
 * Fri Jul 3 2015 Daniel Berteaud <daniel@firewall-services.com> 31.8.0esr-1
 - Update to 31.8.0esr