diff --git a/ammonite.json b/ammonite.json
index ed0b5c9254..7c90bf5992 100644
--- a/ammonite.json
+++ b/ammonite.json
@@ -1,11 +1,11 @@
 {
-    "version": "1.6.3",
+    "version": "1.6.4",
     "license": "MIT",
-    "url": "https://github.com/lihaoyi/Ammonite/releases/download/1.6.3/2.12-1.6.3#/amm.bat",
+    "url": "https://github.com/lihaoyi/Ammonite/releases/download/1.6.4/2.12-1.6.4#/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": "adafccfdc70cdc83f072f6b0c340205d422fca56f743e269635dfb40dc63b171",
+    "hash": "82d5a3319d6469609d5197b2bebd62c859b1aa21976623fc96a4564ed210bd9a",
     "checkver": {
         "github": "https://github.com/lihaoyi/Ammonite"
     },