diff --git a/bucket/unison.json b/bucket/unison.json
index 33a161d1d2..a467b71f07 100644
--- a/bucket/unison.json
+++ b/bucket/unison.json
@@ -1,11 +1,11 @@
 {
-    "version": "2.52.1",
+    "version": "2.53.0",
     "description": "A file-synchronization tool.",
     "homepage": "https://www.cis.upenn.edu/~bcpierce/unison",
     "license": "GPL-3.0-only",
     "notes": "Compiled with same OCaml compiler version 4.12.1",
-    "url": "https://github.com/bcpierce00/unison/releases/download/v2.52.1/unison-v2.52.1+ocaml-4.12.1+x86_64.windows.zip",
-    "hash": "a4cec6a244f848e25381071979c56c29dd6658d2c102d828a4f1e73c73dcfa3e",
+    "url": "https://github.com/bcpierce00/unison/releases/download/v2.53.0/unison-v2.53.0+ocaml-4.12.1+x86_64.windows.zip",
+    "hash": "bdf67196b1a5335328317724f044e5d3c16cdff10db836176edb61a8a505cf27",
     "bin": [
         "bin\\unison.exe",
         "bin\\unison-fsmonitor.exe"