diff --git a/ammonite.json b/ammonite.json
index c9c1b15c07..d8aac25ed0 100644
--- a/ammonite.json
+++ b/ammonite.json
@@ -1,11 +1,11 @@
 {
-    "version": "1.6.5",
+    "version": "1.6.6",
     "license": "MIT",
-    "url": "https://github.com/lihaoyi/Ammonite/releases/download/1.6.5/2.12-1.6.5#/amm.bat",
+    "url": "https://github.com/lihaoyi/Ammonite/releases/download/1.6.6/2.12-1.6.6#/amm.bat",
     "bin": "amm.bat",
     "homepage": "http://ammonite.io",
     "description": "Ammonite lets you use the Scala language for scripting purposes: in the REPL, as scripts, as a library, or as a standalone systems shell.",
-    "hash": "06666a1ae95e5b3960130ed0128947f26199184ccba2fef3d62eb69a9e48674e",
+    "hash": "4fa8da2fed0ee25f0ce0c9981284620b41f2599c545e262e75669d823f9a9bf0",
     "checkver": {
         "github": "https://github.com/lihaoyi/Ammonite"
     },