diff --git a/TaskfileCustom.yaml b/TaskfileCustom.yaml
index e589abb..e0240bc 100644
--- a/TaskfileCustom.yaml
+++ b/TaskfileCustom.yaml
@@ -6,5 +6,4 @@ tasks:
   update_prefixes:
     desc: Update the prefix list from prefix.cc.
     cmds:
-      - curl -L -o cmem_plugin_shapes/prefix.cc.json http://prefix.cc/popular/all.file.json
-      - python sort_prefix_json.py
+      - python update_prefixes.py
diff --git a/sort_prefix_json.py b/sort_prefix_json.py
deleted file mode 100644
index a6860e8..0000000
--- a/sort_prefix_json.py
+++ /dev/null
@@ -1,12 +0,0 @@
-"""Helper script to sort prefixes in task custom:update_prefixes"""
-
-from json import dump, load
-from pathlib import Path
-
-file_path = Path("cmem_plugin_shapes") / "prefix.cc.json"
-
-with file_path.open("r") as json_file:
-    json_data = load(json_file)
-
-with file_path.open("w") as json_file:
-    dump(json_data, json_file, sort_keys=True, indent=2)
diff --git a/update_prefixes.py b/update_prefixes.py
new file mode 100644
index 0000000..f6cced7
--- /dev/null
+++ b/update_prefixes.py
@@ -0,0 +1,11 @@
+"""Helper script to sort prefixes in task custom:update_prefixes"""
+
+from json import dump, loads
+from pathlib import Path
+from urllib.request import urlopen
+
+with urlopen('http://prefix.cc/popular/all.file.json') as f:
+    json_data = loads(f.read().decode('utf-8'))
+
+with (Path("cmem_plugin_shapes") / "prefix.cc.json").open("w") as json_file:
+    dump(json_data, json_file, sort_keys=True, indent=2)