diff --git a/pom.xml b/pom.xml
index 30cb8acd1b..e634f7c450 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
   </parent>
 
   <artifactId>github-api</artifactId>
-  <version>1.11</version>
+  <version>1.12</version>
   <name>GitHub API for Java</name>
   <url>http://github-api.kohsuke.org/</url>
   <description>GitHub API for Java</description>
diff --git a/src/main/java/org/kohsuke/github/GHRepository.java b/src/main/java/org/kohsuke/github/GHRepository.java
index 925214090c..3120ee1ebc 100644
--- a/src/main/java/org/kohsuke/github/GHRepository.java
+++ b/src/main/java/org/kohsuke/github/GHRepository.java
@@ -207,6 +207,14 @@ public void enableIssueTracker(boolean v) throws IOException {
                 .to("/repos/show/" + owner + "/" + name);
     }
 
+    /**
+     * Enables or disables Wiki for this repository.
+     */
+    public void enableWiki(boolean v) throws IOException {
+        new Poster(root).withCredential().with("values[has_wiki]",String.valueOf(v))
+                .to("/repos/show/" + owner + "/" + name);
+    }
+
     /**
      * Deletes this repository.
      */
diff --git a/src/test/java/org/kohsuke/AppTest.java b/src/test/java/org/kohsuke/AppTest.java
index 81c2074eb6..0c8959e482 100644
--- a/src/test/java/org/kohsuke/AppTest.java
+++ b/src/test/java/org/kohsuke/AppTest.java
@@ -41,8 +41,10 @@ public void testMembership() throws Exception {
 
     public void testApp() throws IOException {
         GitHub gitHub = GitHub.connect();
-        GHPullRequest i = gitHub.getOrganization("jenkinsci").getRepository("parameterized-trigger-plugin").getPullRequest(3);
-        System.out.println(i);
+
+//        tryDisablingIssueTrackers(gitHub);
+
+//        tryDisablingWiki(gitHub);
 
 //        GHPullRequest i = gitHub.getOrganization("jenkinsci").getRepository("sandbox").getPullRequest(1);
 //        for (GHIssueComment c : i.getComments())
@@ -87,6 +89,15 @@ private void tryDisablingIssueTrackers(GitHub gitHub) throws IOException {
         }
     }
 
+    private void tryDisablingWiki(GitHub gitHub) throws IOException {
+        for (GHRepository r : gitHub.getOrganization("jenkinsci").getRepositories().values()) {
+            if (r.hasWiki()) {
+                System.out.println("DISABLED  "+r.getName());
+                r.enableWiki(false);
+            }
+        }
+    }
+
     private void tryUpdatingIssueTracker(GitHub gitHub) throws IOException {
         GHRepository r = gitHub.getOrganization("jenkinsci").getRepository("lib-task-reactor");
         System.out.println(r.hasIssues());