diff --git a/cache.tgz b/cache.tgz
new file mode 100644
index 0000000..d0bdc23
Binary files /dev/null and b/cache.tgz differ
diff --git a/requirements.txt b/requirements.txt
index 665441d..19221d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,11 +1,11 @@
 logrotater==1.3
 numpy==2.2.3
 progressbar33==2.4
-psycopg2==2.9.10
+psycopg2-binary==2.9.10
 pymongo==4.11.2
 pymssql==2.3.2
 Requests==2.32.3
 SQLAlchemy==2.0.39
 pymysql
 tqdm
-pandas
\ No newline at end of file
+pandas
diff --git a/update_mongo.py b/update_mongo.py
index e0536e3..876ff7a 100755
--- a/update_mongo.py
+++ b/update_mongo.py
@@ -303,12 +303,11 @@ def main() -> int:
                         for directory in directory_list:
                             if directory not in found_path:
                                 files_needed.append([f"{directory}", f"{seriesid}.json"])
-                else:
+                elif int(ts) > int(prev_ts):
                     for directory in directory_list:
                         files_needed.append([f"{directory}", f"{seriesid}.json"])
             except Exception:
-                for directory in directory_list:
-                    files_needed.append([f"{directory}", f"{seriesid}.json"])
+                lprint.logprint("debug", f"Unable to process Series {seriesid} timestamps: downloaded {ts} vs previous {prev_ts}")
         else:
             # Add needed json files to needed file list.
             for directory in directory_list: