diff --git a/pom.xml b/pom.xml
index 927b6d1675..19d3994a54 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.kohsuke</groupId>
   <artifactId>cortexapps-github-api</artifactId>
-  <version>1.327</version>
+  <version>1.328</version>
   <name>GitHub API for Java</name>
   <url>https://github-api.kohsuke.org/</url>
   <description>GitHub API for Java</description>
diff --git a/src/main/java/org/kohsuke/github/GHRepositoryBuilder.java b/src/main/java/org/kohsuke/github/GHRepositoryBuilder.java
index 17ee0041d4..1d8602a044 100644
--- a/src/main/java/org/kohsuke/github/GHRepositoryBuilder.java
+++ b/src/main/java/org/kohsuke/github/GHRepositoryBuilder.java
@@ -167,7 +167,7 @@ public S private_(boolean enabled) throws IOException {
      */
     public S visibility(final Visibility visibility) throws IOException {
         requester.withPreview(NEBULA);
-        return with("visibility", visibility);
+        return with("visibility", visibility.toString());
     }
 
     /**