diff --git a/pkgs/by-name/un/unison/package.nix b/pkgs/by-name/un/unison/package.nix
index 9aeac3fa2d3e..f512d775ea8d 100644
--- a/pkgs/by-name/un/unison/package.nix
+++ b/pkgs/by-name/un/unison/package.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "unison";
-  version = "2.53.4";
+  version = "2.53.5";
 
   src = fetchFromGitHub {
     owner = "bcpierce00";
     repo = "unison";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-nFT6FjlQjh6qx0fepmT4aiQj2SxA7U/as+IU9xXNok0=";
+    hash = "sha256-XCdK38jG7tRI+/Zk72JVY8a/pPJF6KVaf8l2s3hgxLs=";
   };
 
   strictDeps = true;