diff --git a/package.json b/package.json
index 9f560495..d4848706 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,7 @@
     "format-io": "^0.9.6",
     "freeport": "^1.0.5",
     "http-auth": "^2.3.1",
-    "ishtar": "^1.4.0",
+    "ishtar": "^1.5.0",
     "jaguar": "^1.1.0",
     "join-io": "^1.4.0",
     "jonny": "^1.0.0",