diff --git a/pkgs/arxiv-mcp-server/default.nix b/pkgs/arxiv-mcp-server/default.nix
index 837b4a7..744e8c4 100644
--- a/pkgs/arxiv-mcp-server/default.nix
+++ b/pkgs/arxiv-mcp-server/default.nix
@@ -6,13 +6,13 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "arxiv-mcp-server";
-  version = "0.3.2";
+  version = "0.3.1";
   pyproject = true;
 
   src = fetchPypi {
     pname = "arxiv_mcp_server";
     inherit version;
-    hash = "sha256-fAfI9EfliK6SIon8rHEhnYE1UHnjKELzEYtafRA345g=";
+    hash = "sha256-yGNetU7el6ZXsavD8uvO17OZtaPuYgzkxiVEk402GUs=";
   };
 
   build-system = [
@@ -28,7 +28,7 @@ python3.pkgs.buildPythonApplication rec {
     mcp
     pydantic
     pydantic-settings
-    # pymupdf-layout # FIXME: write package
+    # pymupdf-layout # FIXME: write package for 0.3.2
     pymupdf4llm
     python-dateutil
     python-dotenv
diff --git a/pkgs/default.nix b/pkgs/default.nix
index c09c92b..57ee78b 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -4,6 +4,7 @@
 }:
 
 {
+  arxiv-mcp-server = pkgs.callPackage ./arxiv-mcp-server { };
   baibot = pkgs.callPackage ./baibot { };
   blender-mcp = pkgs.callPackage ./blender-mcp { };
   bulk-rename = pkgs.callPackage ./bulk-rename { };
@@ -19,6 +20,5 @@
   synix-docs = pkgs.callPackage ./synix-docs { };
   trelis-gitingest-mcp = pkgs.callPackage ./trelis-gitingest-mcp { };
 
-  # arxiv-mcp-server = pkgs.callPackage ./arxiv-mcp-server { }; # FIXME
   # marker-pdf = pkgs.callPackage ./marker-pdf { }; # FIXME
 }