diff --git a/docs/ckks_engine/index.html b/docs/ckks_engine/index.html
index cfe8f1e..41f335f 100644
--- a/docs/ckks_engine/index.html
+++ b/docs/ckks_engine/index.html
@@ -30,7 +30,7 @@
   </nav>
   <nav class="sidebar">
     <div class="sidebar-crate">
-      <h2><a href="../ckks_engine/index.html">ckks_<wbr>engine</a><span class="version">0.3.0</span></h2>
+      <h2><a href="../ckks_engine/index.html">ckks_<wbr>engine</a><span class="version">4.0.0</span></h2>
     </div>
     <div class="sidebar-elems">
       <ul class="block">