diff --git a/pickleshare.py b/pickleshare.py
index 086f84f..ae59423 100644
--- a/pickleshare.py
+++ b/pickleshare.py
@@ -105,7 +105,13 @@ def __getitem__(self,key):
 
         self.cache[fil] = (obj,mtime)
         return obj
-
+    
+    def append(self, key, value):
+        currentValue = self[key]
+        currentValue.append(value)
+        updatedValue = currentValue
+        self[key] = updatedValue
+        
     def __setitem__(self,key,value):
         """ db['key'] = 5 """
         fil = self.root / key
diff --git a/test_pickleshare.py b/test_pickleshare.py
index 76ab20c..894104b 100644
--- a/test_pickleshare.py
+++ b/test_pickleshare.py
@@ -12,6 +12,8 @@ def test_pickleshare(tmpdir):
     assert db['hello'] == 15
     db['aku ankka'] = [1,2,313]
     assert db['aku ankka'] == [1,2,313]
+    db.append('aku ankka', 42)
+    assert db['aku ankka'] == [1,2,313,42]
     db['paths/nest/ok/keyname'] = [1,(5,46)]
     assert db['paths/nest/ok/keyname'] == [1,(5,46)]