diff --git a/.gitignore b/.gitignore
index bcfbb46..f33f192 100644
--- a/.gitignore
+++ b/.gitignore
@@ -70,3 +70,4 @@
 /evolution-ews-3.18.1.tar.xz
 /evolution-ews-3.18.2.tar.xz
 /evolution-ews-3.18.3.tar.xz
+/evolution-ews-3.18.4.tar.xz
diff --git a/evolution-ews.spec b/evolution-ews.spec
index 499d65b..1d68d55 100644
--- a/evolution-ews.spec
+++ b/evolution-ews.spec
@@ -2,7 +2,7 @@
 %global libmspack_version 0.4
 
 Name: evolution-ews
-Version: 3.18.3
+Version: 3.18.4
 Release: 1%{?dist}
 Group: Applications/Productivity
 Summary: Evolution extension for Exchange Web Services
@@ -80,6 +80,9 @@ rm $RPM_BUILD_ROOT%{_libdir}/evolution/modules/*.la
 %{_datadir}/evolution-data-server/ews/windowsZones.xml
 
 %changelog
+* Mon Jan 18 2016 Milan Crha <mcrha@redhat.com> - 3.18.4-1
+- Update to 3.18.4
+
 * Mon Dec 14 2015 Milan Crha <mcrha@redhat.com> - 3.18.3-1
 - Update to 3.18.3
 
diff --git a/sources b/sources
index c8c8b22..d4ce078 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-3928f13dd3996ef81f5f34285a93ffb2  evolution-ews-3.18.3.tar.xz
+3f68fca2f6aa1de49a99ca182ad4c4b2  evolution-ews-3.18.4.tar.xz