diff --git a/doc/langref.html.in b/doc/langref.html.in
index e8950c54f0acc5525d9555cc2ef958efddfcb65c..94eeff3f890837472d46833ae576abb2483d1294 100644
--- a/doc/langref.html.in
+++ b/doc/langref.html.in
@@ -317,7 +317,7 @@
           <a href="https://ziglang.org/documentation/0.12.0/">0.12.0</a> |
           <a href="https://ziglang.org/documentation/0.13.0/">0.13.0</a> |
           <a href="https://ziglang.org/documentation/0.14.1/">0.14.1</a> |
-          <a href="https://ziglang.org/documentation/0.15.0/">0.15.0</a> |
+          <a href="https://ziglang.org/documentation/0.15.1/">0.15.1</a> |
           master
         </nav>
         <nav aria-labelledby="table-of-contents">