diff --git a/index.html b/index.html
index 4ee4a4b..56ec3f7 100644
--- a/index.html
+++ b/index.html
@@ -153,11 +153,11 @@
         <p>Welcome to Eclipse <b>SUMO</b> (Simulation of Urban MObility), an open source, highly portable, microscopic and continuous multi-modal traffic simulation package designed to handle large networks.</p>
 
       <p><div class="btn-group">
-        <a href="https://sumo.dlr.de/releases/1.9.0/sumo-win64-1.9.0.msi" id="download-button" type="button" class="btn btn-success" style="-webkit-appearance: none; box-shadow: 0 8px 36px -3px rgba(20,45,100,.35);">SUMO 1.9.0 for Windows 64bits</a>
+        <a href="https://sumo.dlr.de/releases/1.9.1/sumo-win64-1.9.1.msi" id="download-button" type="button" class="btn btn-success" style="-webkit-appearance: none; box-shadow: 0 8px 36px -3px rgba(20,45,100,.35);">SUMO 1.9.1 for Windows 64bits</a>
         <button type="button" class="btn btn-success dropdown-toggle dropdown-toggle-split" data-toggle="dropdown"><span class="caret"></span></button>
         <div class="dropdown-menu download-menu">
           <a class="dropdown-item" href="https://sumo.dlr.de/docs/Downloads.php#sources"><i class="fas fa-file-code"></i> Sources</a>
-          <a class="dropdown-item" href="https://sumo.dlr.de/releases/1.9.0/sumo-all-1.9.0.tar.gz"><i class="fas fa-file-archive"></i> All-inclusive-tarball</a>
+          <a class="dropdown-item" href="https://sumo.dlr.de/releases/1.9.1/sumo-all-1.9.1.tar.gz"><i class="fas fa-file-archive"></i> All-inclusive-tarball</a>
           <a class="dropdown-item" href="https://sumo.dlr.de/docs/Downloads.php#ms_windows_binaries"><i class="fab fa-windows"></i> Windows</a>
           <a class="dropdown-item" href="https://sumo.dlr.de/docs/Downloads.php#linux_binaries"><i class="fab fa-linux"></i> Linux</a>
           <a class="dropdown-item" href="https://sumo.dlr.de/docs/Downloads.php#macos"><i class="fab fa-apple"></i> macOS</a>
@@ -176,19 +176,19 @@
   var Name = "Download SUMO";
   var DownloadLink = "https://sumo.dlr.de/download";
   if (navigator.appVersion.indexOf("Win") != -1) {
-    Name = "SUMO 1.9.0 for Windows 64bits";
-    DownloadLink = "https://sumo.dlr.de/releases/1.9.0/sumo-win64-1.9.0.msi";
+    Name = "SUMO 1.9.1 for Windows 64bits";
+    DownloadLink = "https://sumo.dlr.de/releases/1.9.1/sumo-win64-1.9.1.msi";
     }
   if (navigator.appVersion.indexOf("Mac") != -1) {
-    Name =  "SUMO 1.9.0 for macOS";
+    Name =  "SUMO 1.9.1 for macOS";
     DownloadLink = "https:\/\/sumo.dlr.de\/docs/Downloads.php#macos";
     }
   if (navigator.appVersion.indexOf("X11") != -1) {
-  Name = "SUMO 1.9.0 for Linux";
+  Name = "SUMO 1.9.1 for Linux";
   DownloadLink = "https:\/\/sumo.dlr.de\/docs/Downloads.php#linux_binaries";
   }
   if (navigator.appVersion.indexOf("Linux") != -1) {
-  Name = "SUMO 1.9.0 for Linux";
+  Name = "SUMO 1.9.1 for Linux";
   DownloadLink = "https:\/\/sumo.dlr.de\/docs/Downloads.php#linux_binaries";
   }
   var link = document.getElementById("download-button");