diff --git a/bucket/ammonite.json b/bucket/ammonite.json
index b9f1e5cbed..48cab1bf45 100644
--- a/bucket/ammonite.json
+++ b/bucket/ammonite.json
@@ -1,13 +1,13 @@
 {
-    "version": "2.5.8",
+    "version": "2.5.9",
     "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.",
     "homepage": "https://ammonite.io",
     "license": "MIT",
     "suggest": {
         "JDK": "java/openjdk"
     },
-    "url": "https://github.com/lihaoyi/Ammonite/releases/download/2.5.8/2.12-2.5.8#/amm.bat",
-    "hash": "1f68437fb4f559ed45003975a6dbe43df421e889a3dbcb29b9cf51eceef1f0f8",
+    "url": "https://github.com/lihaoyi/Ammonite/releases/download/2.5.9/2.12-2.5.9#/amm.bat",
+    "hash": "ecdc6d1c5f46ad8335b70456a4bb26ee5706cf820920f3ee72efad73d5a4a0d9",
     "bin": "amm.bat",
     "checkver": {
         "github": "https://github.com/lihaoyi/Ammonite"