diff --git a/go.json b/go.json
index 55e56bc1fd..ce1ddde69b 100644
--- a/go.json
+++ b/go.json
@@ -1,15 +1,15 @@
 {
-    "version": "1.7.1",
+    "version": "1.7.3",
     "homepage": "https://golang.org",
     "license": "https://golang.org/LICENSE",
     "architecture": {
         "64bit": {
-            "url": "https://storage.googleapis.com/golang/go1.7.1.windows-amd64.zip",
-            "hash": "af2b836bb894672cf4c28df32a2ee3ff560e2b463e1ab44bb99833064ba09e5f"
+            "url": "https://storage.googleapis.com/golang/go1.7.3.windows-amd64.zip",
+            "hash": "9fe41313b97e2a6a703f5ae22938c7d9ac4336a128b522376c224ba97e8c7f01"
         },
         "32bit": {
-            "url": "https://storage.googleapis.com/golang/go1.7.1.windows-386.zip",
-            "hash": "312fcbb84c0b4268e6e0351dccf0d6e9bb226c9934b5ee81bd7865a693a68aaa"
+            "url": "https://storage.googleapis.com/golang/go1.7.3.windows-386.zip",
+            "hash": "d0ac2d3aaa20452d0f09112f034cca1c5b8560452a45e10523af7f0a1089c792"
         }
     },
     "extract_dir": "go",