diff --git a/flaskr/geocoder.py b/flaskr/geocoder.py
index 64f1fe4..bcce28c 100644
--- a/flaskr/geocoder.py
+++ b/flaskr/geocoder.py
@@ -32,5 +32,8 @@ class CachedGeocoder:
             )
         return self.cache[address]
 
+    def __del__(self):
+        self.close()
+
     def close(self):
         self.cache.close()
--
libgit2 0.21.2