diff --git a/pkgs/by-name/ic/iceshelf/package.nix b/pkgs/by-name/ic/iceshelf/package.nix
index 9d60abeb616e..67de9f0768ae 100644
--- a/pkgs/by-name/ic/iceshelf/package.nix
+++ b/pkgs/by-name/ic/iceshelf/package.nix
@@ -3,39 +3,47 @@
   fetchFromGitHub,
   git,
   awscli,
-  python3,
+  python3Packages,
+  unstableGitUpdater,
 }:
 
-python3.pkgs.buildPythonApplication {
+python3Packages.buildPythonApplication {
   pname = "iceshelf";
-  version = "0-unstable-2019-07-03";
-
+  version = "0-unstable-2025-06-29";
   pyproject = false;
 
   src = fetchFromGitHub {
     owner = "mrworf";
     repo = "iceshelf";
-    rev = "26768dde3fc54fa412e523eb8f8552e866b4853b";
-    sha256 = "08rcbd14vn7312rmk2hyvdzvhibri31c4r5lzdrwb1n1y9q761qm";
+    rev = "5380c49e3f7f3df04b61a494b2d94db2f2c65e25";
+    sha256 = "hiJZX6HG6a9kUr8R7DdkPBcuH3tmVJthWXrPtCaVayU=";
   };
 
   propagatedBuildInputs = [
-    git
     awscli
-    python3.pkgs.python-gnupg
+    git
+  ];
+
+  dependencies = with python3Packages; [
+    python-gnupg
   ];
 
   installPhase = ''
-    mkdir -p $out/bin $out/share/doc/iceshelf $out/${python3.sitePackages}
+    mkdir -p $out/bin $out/share/doc/iceshelf $out/${python3Packages.python.sitePackages}
     cp -v iceshelf iceshelf-restore $out/bin
     cp -v iceshelf.sample.conf $out/share/doc/iceshelf/
-    cp -rv modules $out/${python3.sitePackages}
+    cp -rv modules $out/${python3Packages.python.sitePackages}
   '';
 
+  passthru = {
+    updateScript = unstableGitUpdater { };
+  };
+
   meta = {
     description = "Simple tool to allow storage of signed, encrypted, incremental backups using Amazon's Glacier storage";
     license = lib.licenses.lgpl2;
     homepage = "https://github.com/mrworf/iceshelf";
     maintainers = with lib.maintainers; [ mmahut ];
+    mainProgram = "iceshelf";
   };
 }