diff --git a/data/.gitignore b/data/.gitignore
index 224e4a5..c674722 100644
--- a/data/.gitignore
+++ b/data/.gitignore
@@ -1 +1 @@
-JMdict.xml
+JMdict*.xml
diff --git a/data/fetch.sh b/data/fetch.sh
index 108f41c..d8ab9f7 100755
--- a/data/fetch.sh
+++ b/data/fetch.sh
@@ -6,5 +6,10 @@ wget http://ftp.edrdg.org/pub/Nihongo/JMdict.gz
 # Extract and delete archive
 gzip -d JMdict.gz
 
+# Get date
+date=`grep -m 1 -oE '<!-- JMdict created: [0-9]{4}-[0-9]{2}-[0-9]{2} -->' JMdict.xml | sed -E 's/<!-- JMdict created: (.+) -->/\1/'`
+
+rm JMdict*.xml
+
 # Add XML extension
-mv JMdict JMdict.xml
+mv JMdict JMdict-${date}.xml