diff --git a/pkgs/by-name/un/unison-ucm/package.nix b/pkgs/by-name/un/unison-ucm/package.nix
index 4e0d901f623d..c9602d1f46f0 100644
--- a/pkgs/by-name/un/unison-ucm/package.nix
+++ b/pkgs/by-name/un/unison-ucm/package.nix
@@ -14,21 +14,21 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "unison-code-manager";
-  version = "0.5.42";
+  version = "0.5.47";
 
   src =
     {
       aarch64-darwin = fetchurl {
         url = "https://github.com/unisonweb/unison/releases/download/release/${finalAttrs.version}/ucm-macos-arm64.tar.gz";
-        hash = "sha256-QPUbJTpdvXQvI7zcNnQLrojOLCp+kpcPMc5aHknM5Tk=";
+        hash = "sha256-Ocqwh+kH4tLMTMthbezDB0o00TTF/d6n8CzQxR919hA=";
       };
       x86_64-darwin = fetchurl {
         url = "https://github.com/unisonweb/unison/releases/download/release/${finalAttrs.version}/ucm-macos-x64.tar.gz";
-        hash = "sha256-DFIDiTLT3JzAdBN9qgXbU2rbYa2oO1AxNO+R3gizyVI=";
+        hash = "sha256-Fkouq/jv0Ddv1EjREtiGjMAEqdNoxwv4nqqp/nwf+zg=";
       };
       x86_64-linux = fetchurl {
         url = "https://github.com/unisonweb/unison/releases/download/release/${finalAttrs.version}/ucm-linux-x64.tar.gz";
-        hash = "sha256-NDIk0UsW7gOkhJJ7YDY2R1ZJ26uirG1TYPO+nGzR61M=";
+        hash = "sha256-RizYZaNdaXCkfiFXblB34btqmu6xo3owKkSuOrgopIo=";
       };
     }
     .${stdenv.hostPlatform.system} or (throw "Unsupported platform ${stdenv.hostPlatform.system}");
@@ -50,9 +50,10 @@ stdenv.mkDerivation (finalAttrs: {
 
   installPhase = ''
     mkdir -p $out/{bin,lib}
-    mv runtime $out/lib/runtime
+
     mv ui $out/ui
     mv unison $out/unison
+
     makeWrapper $out/unison/unison $out/bin/ucm \
       --prefix LD_LIBRARY_PATH : ${
         lib.makeLibraryPath [
@@ -61,7 +62,6 @@ stdenv.mkDerivation (finalAttrs: {
         ]
       } \
       --prefix PATH ":" "${lib.makeBinPath [ less ]}" \
-      --add-flags "--runtime-path $out/lib/runtime/bin/unison-runtime" \
       --set UCM_WEB_UI "$out/ui"
   '';