diff --git a/package.json b/package.json
index 7832968..15adbea 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     },
     "devDependencies":
     {
-                        "proof":            "0.0.41",
+                        "proof":            "0.0.45",
                         "mkdirp":           "0.5.0",
                         "rimraf":           "2.2.8"
     },