diff --git a/.gitignore b/.gitignore
index dd74336..30d4e2d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ sass-3.2.3.gem/sass-3.2.6.gem
 /sass-3.4.4.gem
 /sass-3.4.19.gem
 /sass-3.4.22.gem
+/sass-3.4.23.gem
diff --git a/rubygem-sass.spec b/rubygem-sass.spec
index b8d8fbf..c4fdbdf 100644
--- a/rubygem-sass.spec
+++ b/rubygem-sass.spec
@@ -2,7 +2,7 @@
 %global gem_name sass
 
 Name: rubygem-%{gem_name}
-Version: 3.4.22
+Version: 3.4.23
 Release: 1%{?dist}
 Summary: A powerful but elegant CSS compiler that makes CSS fun again
 Group: Development/Languages
@@ -97,6 +97,9 @@ popd
 %{gem_instdir}/test
 
 %changelog
+* Thu Jan 05 2017 Vít Ondruch <vondruch@redhat.com> - 3.4.23-1
+- Update to Sass 3.4.23.
+
 * Tue Apr 26 2016 Jun Aruga <jaruga@redhat.com> - 3.4.22-1
 - Update to 3.4.22.
 - Fix test suite for Ruby 2.3 compatibility. (rhbz#1308082)
diff --git a/sources b/sources
index 4077f1a..2796245 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-857f0bc182b254271e3f03654ed5d2ab  sass-3.4.22.gem
+SHA512 (sass-3.4.23.gem) = b29e6bff3495818e1e99410c479a87575ab15c2df48732b6f2f02e98233ec1c3055fd28ba75215286df237f21d15ed766574fbeeaf965dd20c1f82c2146f917f