diff --git a/Formula/solr.rb b/Formula/solr.rb
index 9bf9cacb150a2..1fb4458d51e79 100644
--- a/Formula/solr.rb
+++ b/Formula/solr.rb
@@ -2,8 +2,8 @@
 
 class Solr < Formula
   homepage 'http://lucene.apache.org/solr/'
-  url 'http://www.apache.org/dyn/closer.cgi?path=lucene/solr/4.4.0/solr-4.4.0.tgz'
-  sha1 '4bd3fe9a5a3c4417fcb551204780d8adafc48b6e'
+  url 'http://www.apache.org/dyn/closer.cgi?path=lucene/solr/4.5.0/solr-4.5.0.tgz'
+  sha1 '0b1d4a9b6714b80db7a83f30077d97f05d38af3f'
 
   def script; <<-EOS.undent
     #!/bin/sh