diff --git a/src/args/compute-on-aws-batch/batch-client/build/deps/fa_purity.nix b/src/args/compute-on-aws-batch/batch-client/build/deps/fa_purity.nix
index d5db0f16..85faa7a9 100644
--- a/src/args/compute-on-aws-batch/batch-client/build/deps/fa_purity.nix
+++ b/src/args/compute-on-aws-batch/batch-client/build/deps/fa_purity.nix
@@ -15,12 +15,21 @@
     makesLib = makes_inputs;
     inherit nixpkgs python_version src;
   };
+  more-itertools = python_pkgs.more-itertools.overrideAttrs (oldAttrs: rec {
+    version = "9.1.0";
+    src = lib.fetchPypi {
+      pname = "more-itertools";
+      inherit version;
+      sha256 = "sha256-yrqjQa0DieqDwXqUVmpTrkydBzSYYeyxTcbQNFz5rF0=";
+    };
+  });
 in
   bundle.build_bundle (
     default: required_deps: builder:
       builder lib (
         required_deps (
           python_pkgs
+          // {inherit more-itertools;}
           // {
             inherit (default.python_pkgs) types-simplejson;
           }
diff --git a/src/args/compute-on-aws-batch/batch-client/pyproject.toml b/src/args/compute-on-aws-batch/batch-client/pyproject.toml
index 0d40f6ce..b414e8cf 100644
--- a/src/args/compute-on-aws-batch/batch-client/pyproject.toml
+++ b/src/args/compute-on-aws-batch/batch-client/pyproject.toml
@@ -1,8 +1,6 @@
 [project]
 name = "batch_client"
-authors = [
-    {name = "Product Team", email = "development@fluidattacks.com"},
-]
+authors = [{ name = "Product Team", email = "development@fluidattacks.com" }]
 requires-python = ">=3.11"
 dependencies = [
     "click >=8.1.3, <9.0.0",
@@ -10,6 +8,7 @@ dependencies = [
     "pathos >=0.2.8, <1.0.0",
     "mypy-boto3-batch >=1.28.36, <2.0.0",
     "types-boto3 >=1.0.2, <2.0.0",
+    "more-itertools >=8.10.0, <10.0.0",
 ]
 description = "AWS batch python client"
 dynamic = ["version"]
diff --git a/src/nix/sources.json b/src/nix/sources.json
index 3ab733c2..9805ccc7 100644
--- a/src/nix/sources.json
+++ b/src/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "42b0713b5f1b719d968cfaa48e2dbf28a44f7094",
-        "sha256": "sha256:0mkgapk4mp12vc20d1gwlyxsfj27vh08hfnpzb3x2avzgjyblzv0",
+        "rev": "5f5210aa20e343b7e35f40c033000db0ef80d7b9",
+        "sha256": "0yc83iqbzj1gd651x6p2wx7a76wfpifaq7jxz4srbinaglfwfb07",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/42b0713b5f1b719d968cfaa48e2dbf28a44f7094.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/5f5210aa20e343b7e35f40c033000db0ef80d7b9.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }