diff --git a/devel/simplesamlphp-install.html b/devel/simplesamlphp-install.html
index bf6a9af..1d2d018 100644
--- a/devel/simplesamlphp-install.html
+++ b/devel/simplesamlphp-install.html
@@ -288,6 +288,10 @@ <h2 id="prerequisites">
      simplexml
     </code>
     ,
+    <code>
+     sodium
+    </code>
+    ,
     <code>
      SPL
     </code>