diff --git a/bucket/z3.json b/bucket/z3.json
new file mode 100644
index 0000000000..38abddf13a
--- /dev/null
+++ b/bucket/z3.json
@@ -0,0 +1,35 @@
+{
+    "version": "4.11.2",
+    "description": "Theorem prover from Microsoft Research.",
+    "homepage": "https://github.com/Z3Prover/z3",
+    "license": "MIT",
+    "architecture": {
+        "64bit": {
+            "url": "https://github.com/Z3Prover/z3/releases/download/z3-4.11.2/z3-4.11.2-x64-win.zip",
+            "hash": "16c2006b017fbc302bc609ffe2a18e6fbfd083566947c92ce47bf7647029e397",
+            "extract_dir": "z3-4.11.2-x64-win"
+        },
+        "32bit": {
+            "url": "https://github.com/Z3Prover/z3/releases/download/z3-4.11.2/z3-4.11.2-x86-win.zip",
+            "hash": "077759cc4bacdb096260f670bbcad5514abae10776b268767d2e04aed5e9468f",
+            "extract_dir": "z3-4.11.2-x86-win"
+        }
+    },
+    "bin": "bin\\z3.exe",
+    "checkver": {
+        "github": "https://github.com/Z3Prover/z3",
+        "regex": "tag/z3-([\\d.]+)"
+    },
+    "autoupdate": {
+        "architecture": {
+            "64bit": {
+                "url": "https://github.com/Z3Prover/z3/releases/download/z3-$version/z3-$version-x64-win.zip",
+                "extract_dir": "z3-$version-x64-win"
+            },
+            "32bit": {
+                "url": "https://github.com/Z3Prover/z3/releases/download/z3-$version/z3-$version-x86-win.zip",
+                "extract_dir": "z3-$version-x64-win"
+            }
+        }
+    }
+}