diff --git a/projects/ncdns-nsis/config b/projects/ncdns-nsis/config
index 4a4357c..8b7eedb 100644
--- a/projects/ncdns-nsis/config
+++ b/projects/ncdns-nsis/config
@@ -11,7 +11,7 @@ var:
   consensusj_namecoin_version: '0.3.2.1'
   dnssec_trigger_version: '0.17'
   namecoin_core_version: '0.21.0.1'
-  electrum_nmc_version: '3.3.10'
+  electrum_nmc_version: '4.0.0b0'
   stem_version: '1.8.0'
   container:
     use_container: 1