diff --git a/update_unstable.py b/update_unstable.py
index 67d077e..5058b47 100755
--- a/update_unstable.py
+++ b/update_unstable.py
@@ -6,7 +6,6 @@ import argparse
 import logging
 import json
 from pathlib import Path
-import pickle
 from urllib.parse import urlencode
 
 import git
@@ -37,8 +36,8 @@ class GitHashCache:
 
     def save(self):
         logging.debug("Saving pickled data")
-        with open(self.cache, "wb") as handle:
-            pickle.dump(self._data, handle, pickle.HIGHEST_PROTOCOL)
+        with open(self.cache, "w") as handle:
+            json.dump(self._data, handle, indent=4)
 
     def load(self):
 
@@ -46,23 +45,9 @@ class GitHashCache:
             logging.debug("File cache not found, not loading")
             return
 
-        logging.debug("Saving pickled data")
-        with open(self.cache, "rb") as handle:
-            self._data = pickle.load(handle)
-
-    def load_json(self):
-        if not Path(self.cache).with_suffix(".json").exists():
-            logging.debug("File cache not found, not loading")
-            return
-
-        with Path(self.cache).with_suffix(".json").open() as handle:
+        with open(self.cache) as handle:
             self._data = json.load(handle)
 
-    def to_json(self):
-
-        with Path(self.cache).with_suffix(".json").open("w") as handle:
-            json.dump(self._data, handle, indent=4)
-
 
 def project_exists(project):
     project_name = urlencode(project)
@@ -135,7 +120,6 @@ def update_package(hash_data, package_name,
         if run_osc(obs_repository, package_name):
             hash_data[obs_repository][remote_name] = remote_hash
             hash_data.save()
-            hash_data.to_json()
 
 
 def update_packages(cache_file, repo_mapping_file):
@@ -170,6 +154,9 @@ def update_packages(cache_file, repo_mapping_file):
 def main():
 
     parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "--cache-file", help="Location of the cache file",
+        default=Path.home() / ".local/share/obs_repo_cache.json")
     parser.add_argument("mapping_file", help="KDE:OBS repository mapping file")
     parser.add_argument("--debug", help="Show debugging output",
                         action="store_true")
@@ -180,8 +167,7 @@ def main():
     logging.basicConfig(format='%(levelname)s - %(message)s',
                         level=level)
 
-    cache_file = Path.home() / ".local/share/obs_repo_cache.cache"
-    cache_file = str(cache_file)
+    cache_file = options.cache_file
 
     update_packages(cache_file, options.mapping_file)
     logging.info("Complete")