diff --git a/pkgs/by-name/ac/accelergy/package.nix b/pkgs/by-name/ac/accelergy/package.nix
index f151bbe41e0f..e071addd7197 100644
--- a/pkgs/by-name/ac/accelergy/package.nix
+++ b/pkgs/by-name/ac/accelergy/package.nix
@@ -2,18 +2,19 @@
   lib,
   fetchFromGitHub,
   python3Packages,
+  unstableGitUpdater,
 }:
 
 python3Packages.buildPythonApplication {
   pname = "accelergy";
-  version = "unstable-2022-05-03";
+  version = "0.1-unstable-2025-05-26";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Accelergy-Project";
     repo = "accelergy";
-    rev = "34df8e87a889ae55cecba58992d4573466b40565";
-    hash = "sha256-SRtt1EocHy5fKszpoumC+mOK/qhreoA2/Ff1wcu5WKo=";
+    rev = "6911d15686ee7efdceba7d95605102df4472ae3a";
+    hash = "sha256-YgJbmxJfuw7jk+Ssj5r3cmJYSSepf7aw+Ti3a9brm6o=";
   };
 
   build-system = with python3Packages; [
@@ -24,8 +25,16 @@ python3Packages.buildPythonApplication {
     pyyaml
     yamlordereddictloader
     pyfiglet
+    ruamel-yaml
+    deepdiff
+    jinja2
   ];
 
+  passthru.updateScript = unstableGitUpdater {
+    tagPrefix = "v";
+    tagFormat = "v*";
+  };
+
   meta = {
     description = "Architecture-level energy/area estimator for accelerator designs";
     license = lib.licenses.mit;