diff --git a/src/allmydata/_auto_deps.py b/src/allmydata/_auto_deps.py
index 400e66bc4..d64b32527 100644
--- a/src/allmydata/_auto_deps.py
+++ b/src/allmydata/_auto_deps.py
@@ -124,6 +124,7 @@ package_imports = [
 # Dependencies for which we don't know how to get a version number at run-time.
 not_import_versionable = [
     'zope.interface',
+    'humanize',
 ]
 
 # Dependencies reported by pkg_resources that we can safely ignore.