diff --git a/generate4.xml b/generate4.xml
index 0951f16e..29b0029b 100644
--- a/generate4.xml
+++ b/generate4.xml
@@ -874,8 +874,8 @@
       <package compiler="vc145" name="secp256k1_vc145" version="0.6.1.2" />
     </resource>
     <resource canonical="ultrafast">
-      <package compiler="vc143" name="UltrafastSecp256k1-vc143" version="4.1.1.4" />
-      <package compiler="vc145" name="UltrafastSecp256k1-vc145" version="4.1.1.4" />
+      <package compiler="vc143" name="UltrafastSecp256k1-vc143" version="4.1.1.7" />
+      <package compiler="vc145" name="UltrafastSecp256k1-vc145" version="4.3.0.3" />
     </resource>
   </nuget>