diff --git a/bucket/dart.json b/bucket/dart.json
index 8c52217f7e..c88e4749a5 100644
--- a/bucket/dart.json
+++ b/bucket/dart.json
@@ -1,5 +1,5 @@
 {
-    "version": "2.5.0",
+    "version": "2.5.1",
     "license": "BSD-3-Clause",
     "homepage": "https://www.dartlang.org/",
     "description": "SDK for the Dart programming language",
@@ -7,12 +7,12 @@
     "env_add_path": "bin",
     "architecture": {
         "64bit": {
-            "url": "https://storage.googleapis.com/dart-archive/channels/stable/release/2.5.0/sdk/dartsdk-windows-x64-release.zip",
-            "hash": "0a9904303233729ff55a091f15465d4e3ea259f5cba580a1e5b48233842dff71"
+            "url": "https://storage.googleapis.com/dart-archive/channels/stable/release/2.5.1/sdk/dartsdk-windows-x64-release.zip",
+            "hash": "58507ccfd84ce29699e1bf16b541d48f97c51a36069097b184b206dcbd0311a4"
         },
         "32bit": {
-            "url": "https://storage.googleapis.com/dart-archive/channels/stable/release/2.5.0/sdk/dartsdk-windows-ia32-release.zip",
-            "hash": "1d2f7f458cd44172ac761a778cf0c4e21386351b343d86b8553e61a05a4a2a84"
+            "url": "https://storage.googleapis.com/dart-archive/channels/stable/release/2.5.1/sdk/dartsdk-windows-ia32-release.zip",
+            "hash": "cd54663e43811cf6c0ad216d5c0a19487ffdc48ced91345db004deeccf91aefd"
         }
     },
     "checkver": {