diff --git a/bucket/dafny.json b/bucket/dafny.json
index f265077997..07bf8571de 100644
--- a/bucket/dafny.json
+++ b/bucket/dafny.json
@@ -1,12 +1,12 @@
 {
-    "version": "4.7.0",
+    "version": "4.8.0",
     "description": "A programming language with a program verifier",
     "homepage": "https://dafny-lang.github.io/dafny/",
     "license": "MIT",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/dafny-lang/dafny/releases/download/v4.7.0/dafny-4.7.0-x64-windows-2019.zip",
-            "hash": "4c593c526065dadd60ac62f1218bc572acbdf6fd6a2295e7f12ae7dea5ddc2da",
+            "url": "https://github.com/dafny-lang/dafny/releases/download/v4.8.0/dafny-4.8.0-x64-windows-2019.zip",
+            "hash": "4f8de2f20ebbc03dd80684326f2de41c93b0fc2c5c9174ba92388a73a2b2859f",
             "extract_dir": "dafny"
         }
     },