diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index cf60638..98c83f8 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -4,6 +4,7 @@
 name: Test the Python package
 
 on:
+  workflow_dispatch:
   push:
     branches: [ master ]
   pull_request:
diff --git a/nameparser/parser.py b/nameparser/parser.py
index 2ee146c..bb19fb6 100644
--- a/nameparser/parser.py
+++ b/nameparser/parser.py
@@ -141,6 +141,9 @@ def __unicode__(self):
             return self.collapse_whitespace(_s).strip(', ')
         return " ".join(self)
 
+    def __hash__(self):
+        return hash(str(self))
+
     def __str__(self):
         if sys.version_info[0] >= 3:
             return self.__unicode__()