diff --git a/pkgs/by-name/un/unison-ucm/package.nix b/pkgs/by-name/un/unison-ucm/package.nix
index 67a50d21f5ae..eca7813c0c56 100644
--- a/pkgs/by-name/un/unison-ucm/package.nix
+++ b/pkgs/by-name/un/unison-ucm/package.nix
@@ -14,25 +14,25 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "unison-code-manager";
-  version = "0.5.50";
+  version = "1.0.1";
 
   src =
     {
       aarch64-darwin = fetchurl {
         url = "https://github.com/unisonweb/unison/releases/download/release/${finalAttrs.version}/ucm-macos-arm64.tar.gz";
-        hash = "sha256-h0rA7pCHm9DtD7/ZO4XsCscvKh/wq9vWwcM2KeloSqc=";
+        hash = "sha256-yEV6wQge9LJ9tp2So85Q7DN/8LmmSJ9vgU1lYezdp5o=";
       };
       x86_64-darwin = fetchurl {
         url = "https://github.com/unisonweb/unison/releases/download/release/${finalAttrs.version}/ucm-macos-x64.tar.gz";
-        hash = "sha256-FQXzmLvX4Ac4RtObLVRjeMNW2CYowh8Eq87mH2S9+WA=";
+        hash = "sha256-T1bZ/TQKeyW3m+IIxJkrEEDKJHGEJBHzJDLsH1Cfoag=";
       };
       aarch64-linux = fetchurl {
         url = "https://github.com/unisonweb/unison/releases/download/release/${finalAttrs.version}/ucm-linux-arm64.tar.gz";
-        hash = "sha256-Cb25GhImYPhfT/VbY4gFFU1PUEj87z1qi0dlkvFiT/8=";
+        hash = "sha256-NXpKthOeYYqd9ZVbpXQpNf2O4aC/X9R/kSzoNzDTC7c=";
       };
       x86_64-linux = fetchurl {
         url = "https://github.com/unisonweb/unison/releases/download/release/${finalAttrs.version}/ucm-linux-x64.tar.gz";
-        hash = "sha256-XutiYr0x4PT4SVADun8ymJpPgX8a4aEqVhD2EqikRkU=";
+        hash = "sha256-ovx+ZBR3ZDDb/HJ464lmhro6kd4OK8jbCSbYJgwubhU=";
       };
     }
     .${stdenv.hostPlatform.system} or (throw "Unsupported platform ${stdenv.hostPlatform.system}");