diff --git a/taiga/projects/wiki/permissions.py b/taiga/projects/wiki/permissions.py
index 5bd0d2a9..5a197b76 100644
--- a/taiga/projects/wiki/permissions.py
+++ b/taiga/projects/wiki/permissions.py
@@ -24,6 +24,7 @@ class WikiPagePermission(ResourcePermission):
     retrieve_perms = HasProjectPerm('view_wiki_pages')
     create_perms = HasProjectPerm('add_wiki_page')
     update_perms = HasProjectPerm('modify_wiki_page')
+    partial_update_perms = HasProjectPerm('modify_wiki_page')
     destroy_perms = HasProjectPerm('delete_wiki_page')
     list_perms = AllowAny()
     render_perms = AllowAny()
@@ -34,5 +35,6 @@ class WikiLinkPermission(ResourcePermission):
     retrieve_perms = HasProjectPerm('view_wiki_links')
     create_perms = HasProjectPerm('add_wiki_link')
     update_perms = HasProjectPerm('modify_wiki_link')
+    partial_update_perms = HasProjectPerm('modify_wiki_link')
     destroy_perms = HasProjectPerm('delete_wiki_link')
     list_perms = AllowAny()
diff --git a/taiga/projects/wiki/serializers.py b/taiga/projects/wiki/serializers.py
index 1632324f..d248211a 100644
--- a/taiga/projects/wiki/serializers.py
+++ b/taiga/projects/wiki/serializers.py
@@ -18,11 +18,14 @@ from rest_framework import serializers
 
 from . import models
 
+from taiga.projects.history import services as history_service
+
 from taiga.mdrender.service import render as mdrender
 
 
 class WikiPageSerializer(serializers.ModelSerializer):
     html = serializers.SerializerMethodField("get_html")
+    editions = serializers.SerializerMethodField("get_editions")
 
     class Meta:
         model = models.WikiPage
@@ -30,6 +33,9 @@ class WikiPageSerializer(serializers.ModelSerializer):
     def get_html(self, obj):
         return mdrender(obj.project, obj.content)
 
+    def get_editions(self, obj):
+        return history_service.get_history_queryset_by_model_instance(obj).count()
+
 
 class WikiLinkSerializer(serializers.ModelSerializer):