diff --git a/README.md b/README.md
index 3945c05..dbb86e4 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ All other required packages will be installed automatically.
 
 ```sh
 pip install jageocoder
-wget https://www.info-proto.com/static/jageocoder/latest/v2/jukyo_all_v20.zip
+wget https://www.info-proto.com/static/jageocoder/latest/v2/jukyo_all_v21.zip
 jageocoder install-dictionary jukyo_all_v20.zip
 ```
 
diff --git a/README_ja.md b/README_ja.md
index 1f367f8..8c904e1 100644
--- a/README_ja.md
+++ b/README_ja.md
@@ -36,7 +36,7 @@ Python 3.7 以降が必要です。
   [ここから](https://www.info-proto.com/static/jageocoder/latest/v2/)
   ダウンロードします
 
-    wget https://www.info-proto.com/static/jageocoder/latest/v2/jukyo_all_v20.zip
+    wget https://www.info-proto.com/static/jageocoder/latest/v2/jukyo_all_v21.zip
 
 - 辞書データベースをインストールします
     
diff --git a/tests/test_search.py b/tests/test_search.py
index 6d2a2c8..e89c520 100644
--- a/tests/test_search.py
+++ b/tests/test_search.py
@@ -117,6 +117,24 @@ def test_kyoto_yamatooji(self):
             fullname=["京都府", "京都市", "東山区",
                       "大和大路", "一丁目", "535番地"])
 
+    def test_nagano(self):
+        """
+        Tests of customary addresses in Nagano City.
+        """
+        self._check(
+            query="長野市新田町1137-5",
+            match="長野市新田町1137-",
+            level=7,
+            fullname=["長野県", "長野市", "大字南長野", "新田町", "1137番地"]
+        )
+
+        self._check(
+            query="長野県長野市七瀬中町161番地1",
+            match="長野県長野市七瀬中町161番地1",
+            level=8,
+            fullname=["長野県", "長野市", "大字鶴賀", "161番地", "1"]
+        )
+
     def test_oaza(self):
         """
         Test notations with and without "大字"