diff --git a/docs/src/api/builtins/utilities.md b/docs/src/api/builtins/utilities.md
index deb8f4a4..6672f945 100644
--- a/docs/src/api/builtins/utilities.md
+++ b/docs/src/api/builtins/utilities.md
@@ -14,7 +14,7 @@ m github:fluidattacks/makes@23.07 /utils/makeNodeJsLock \
   "${package_json_dir}"
 ```
 
-- Supported `node_js_version`s are: `14`, `16` and `18`.
+- Supported `node_js_version`s are: `18`, `20` and `21`.
 - `package_json_dir` is the **absolute path** to the directory that contains
     the `package.json` file in your project.
 - The `package-lock.json` file will be generated in the same directory that
@@ -59,7 +59,7 @@ m github:fluidattacks/makes@23.07 /utils/makeRubyLock \
   "${sources_yaml}"
 ```
 
-- Supported `ruby_version`s are: `2.7`, `3.0` and `3.1`.
+- Supported `ruby_version`s are: `3.1`, `3.2` and `3.3`.
 - `dependencies_yaml` is the **absolute path** to a YAML file
     mapping [RubyGems](https://rubygems.org/) gems to version constraints.
     Example:
diff --git a/makes/docs/runtime/main.nix b/makes/docs/runtime/main.nix
index 6e4d2fd3..ec6b8533 100644
--- a/makes/docs/runtime/main.nix
+++ b/makes/docs/runtime/main.nix
@@ -13,6 +13,9 @@ makeSearchPaths {
     (makePythonPypiEnvironment {
       name = "docs-runtime-pypi";
       sourcesYaml = ./pypi/sources.yaml;
+      withSetuptools_67_7_2 = true;
+      withSetuptoolsScm_7_1_0 = true;
+      withWheel_0_40_0 = true;
     })
   ];
 }
diff --git a/makes/utils/makeNodeJsLock/entrypoint.sh b/makes/utils/makeNodeJsLock/entrypoint.sh
index 702db3f7..a3699fe4 100644
--- a/makes/utils/makeNodeJsLock/entrypoint.sh
+++ b/makes/utils/makeNodeJsLock/entrypoint.sh
@@ -9,11 +9,11 @@ function main {
   )
 
   : && case "${node_js_version}" in
-      14) npm=__argNode14__/bin/npm ;;
-      16) npm=__argNode16__/bin/npm ;;
-      18) npm=__argNode18__/bin/npm ;;
-      *) critical NodeJs version not supported: "${node_js_version}" ;;
-    esac \
+    18) npm=__argNode18__/bin/npm ;;
+    20) npm=__argNode20__/bin/npm ;;
+    21) npm=__argNode21__/bin/npm ;;
+    *) critical NodeJs version not supported: "${node_js_version}" ;;
+  esac \
     && pushd "${package_json_dir}" \
     && "${npm}" install "${npm_install_args[@]}" \
     && popd || return 1
diff --git a/makes/utils/makeNodeJsLock/main.nix b/makes/utils/makeNodeJsLock/main.nix
index 69a6ef0b..c66b1af6 100644
--- a/makes/utils/makeNodeJsLock/main.nix
+++ b/makes/utils/makeNodeJsLock/main.nix
@@ -8,8 +8,8 @@ makeScript {
   entrypoint = ./entrypoint.sh;
   name = "make-node-js-lock";
   replace = {
-    __argNode14__ = makeNodeJsVersion "14";
-    __argNode16__ = makeNodeJsVersion "16";
     __argNode18__ = makeNodeJsVersion "18";
+    __argNode20__ = makeNodeJsVersion "20";
+    __argNode21__ = makeNodeJsVersion "21";
   };
 }
diff --git a/makes/utils/makeRubyLock/entrypoint.sh b/makes/utils/makeRubyLock/entrypoint.sh
index 1002d1f7..9659ed9b 100644
--- a/makes/utils/makeRubyLock/entrypoint.sh
+++ b/makes/utils/makeRubyLock/entrypoint.sh
@@ -8,14 +8,14 @@ function main {
 
   : \
     && case "${ruby_version}" in
-      2.7) ruby=__argRuby27__ ;;
-      3.0) ruby=__argRuby30__ ;;
-      3.1) ruby=__argRuby31__ ;;
+      3.1) ruby=__argRuby31__/bin/ruby ;;
+      3.2) ruby=__argRuby32__/bin/ruby ;;
+      3.3) ruby=__argRuby33__/bin/ruby ;;
       *) critical Ruby version not supported: "${ruby_version}" ;;
     esac \
     && info "Generating manifest:" \
     && pushd "$(mktemp -d)" \
-    && "__argRuby27__/bin/ruby" \
+    && "${ruby}" \
       "__argParser__" \
       "${ruby_version}" \
       "${ruby}" \
diff --git a/makes/utils/makeRubyLock/main.nix b/makes/utils/makeRubyLock/main.nix
index 13e3cb7a..2500f255 100644
--- a/makes/utils/makeRubyLock/main.nix
+++ b/makes/utils/makeRubyLock/main.nix
@@ -9,9 +9,9 @@ makeScript {
   name = "make-ruby-lock";
   replace = {
     __argParser__ = ./parser.rb;
-    __argRuby27__ = makeRubyVersion "2.7";
-    __argRuby30__ = makeRubyVersion "3.0";
     __argRuby31__ = makeRubyVersion "3.1";
+    __argRuby32__ = makeRubyVersion "3.2";
+    __argRuby33__ = makeRubyVersion "3.3";
   };
   searchPaths.bin = [
     __nixpkgs__.nix
diff --git a/src/args/agnostic.nix b/src/args/agnostic.nix
index 03935e9b..0d844df4 100644
--- a/src/args/agnostic.nix
+++ b/src/args/agnostic.nix
@@ -10,7 +10,10 @@
   fix' = __unfix__: let x = __unfix__ x // {inherit __unfix__;}; in x;
   sources = import ../nix/sources.nix;
   args = fix' (self: let
-    __nixpkgs__ = import sources.nixpkgs {inherit system;};
+    __nixpkgs__ = import sources.nixpkgs {
+      inherit system;
+      config = {allowUnfree = true;};
+    };
   in {
     inherit __nixpkgs__;
     __nixpkgsSrc__ = sources.nixpkgs;
diff --git a/src/args/make-node-js-version/default.nix b/src/args/make-node-js-version/default.nix
index e4c64300..fbfd22b0 100644
--- a/src/args/make-node-js-version/default.nix
+++ b/src/args/make-node-js-version/default.nix
@@ -1,8 +1,8 @@
 {__nixpkgs__, ...}: version:
-if version == "14"
-then __nixpkgs__.nodejs-14_x
-else if version == "16"
-then __nixpkgs__.nodejs-16_x
-else if version == "18"
-then __nixpkgs__.nodejs-18_x
-else abort "Supported node versions are: 14, 16 and 18"
+if version == "18"
+then __nixpkgs__.nodejs_18
+else if version == "20"
+then __nixpkgs__.nodejs_20
+else if version == "21"
+then __nixpkgs__.nodejs_21
+else abort "Supported node versions are: 18, 20 and 21"
diff --git a/src/args/make-ruby-version/default.nix b/src/args/make-ruby-version/default.nix
index 36414dd6..b492997a 100644
--- a/src/args/make-ruby-version/default.nix
+++ b/src/args/make-ruby-version/default.nix
@@ -1,7 +1,7 @@
 {__nixpkgs__, ...}: version:
 {
-  "2.7" = __nixpkgs__.ruby_2_7;
-  "3.0" = __nixpkgs__.ruby_3_0;
   "3.1" = __nixpkgs__.ruby_3_1;
+  "3.2" = __nixpkgs__.ruby_3_2;
+  "3.3" = __nixpkgs__.ruby_3_3;
 }
 .${version}
diff --git a/src/nix/sources.json b/src/nix/sources.json
index f682f346..d8ae10b8 100644
--- a/src/nix/sources.json
+++ b/src/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "2362848adf8def2866fabbffc50462e929d7fffb",
-        "sha256": "0wjr874z2y3hc69slaa7d9cw7rj47r1vmc1ml7dw512jld23pn3p",
+        "rev": "e97b3e4186bcadf0ef1b6be22b8558eab1cdeb5d",
+        "sha256": "114ggf0xbwq16djg4qql3jljknk9xr8h7dw18ccalwqg9k1cgv0g",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/2362848adf8def2866fabbffc50462e929d7fffb.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/e97b3e4186bcadf0ef1b6be22b8558eab1cdeb5d.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }