diff --git a/cpm.dependencies b/cpm.dependencies
index c3d8c43..afc7d65 100644
--- a/cpm.dependencies
+++ b/cpm.dependencies
@@ -34,7 +34,7 @@
     },
     {
       "name": "ivsigma",
-      "version": "0.2.1",
+      "version": "0.3.1",
       "github_repository": "iv-project/IVSigma"
     },
     {