diff --git a/gitlab/objects.py b/gitlab/objects.py
index <HASH>..<HASH> 100644
--- a/gitlab/objects.py
+++ b/gitlab/objects.py
@@ -935,7 +935,7 @@ class ProjectHookManager(BaseManager):
 class ProjectIssueNote(GitlabObject):
     _url = '/projects/%(project_id)s/issues/%(issue_id)s/notes'
     _constructorTypes = {'author': 'User'}
-    canUpdate = False
+    canUpdate = True
     canDelete = False
     requiredUrlAttrs = ['project_id', 'issue_id']
     requiredCreateAttrs = ['body']
Enable updates on ProjectIssueNotes