diff --git a/app/terraform/block_mirror.py b/app/terraform/block_mirror.py
index 2342a3b..909f4ce 100644
--- a/app/terraform/block_mirror.py
+++ b/app/terraform/block_mirror.py
@@ -1,3 +1,6 @@
+import functools
+import os
+from concurrent.futures import ThreadPoolExecutor
 from datetime import datetime, timedelta
 import logging
 from abc import abstractmethod
@@ -11,7 +14,6 @@ from app.terraform import BaseAutomation
 
 
 class BlockMirrorAutomation(BaseAutomation):
-
     patterns: List[str]
 
     def __init__(self) -> None:
@@ -32,20 +34,19 @@ class BlockMirrorAutomation(BaseAutomation):
                 # Not ready yet
                 continue
             logging.debug("Testing active proxy %s", proxy.url)
-            for pattern in self.patterns:
-                if fnmatch(proxy.url, pattern):
-                    logging.debug("Found %s blocked", proxy.url)
-                    if not proxy.origin.auto_rotation:
-                        logging.debug("Proxy auto-rotation forbidden for origin")
-                        continue
-                    if proxy.added > datetime.utcnow() - timedelta(hours=3):
-                        logging.debug("Not rotating a proxy less than 3 hours old")
-                        continue
-                    if proxy.deprecate(reason=self.short_name):
-                        logging.info("Rotated %s", proxy.url)
-                        rotated.append((proxy.url, proxy.origin.domain_name))
-                    else:
-                        logging.debug("Not rotating a proxy that is already deprecated")
+            if is_match(proxy.url, self.patterns):
+                logging.debug("Found %s blocked", proxy.url)
+                if not proxy.origin.auto_rotation:
+                    logging.debug("Proxy auto-rotation forbidden for origin")
+                    continue
+                if proxy.added > datetime.utcnow() - timedelta(hours=3):
+                    logging.debug("Not rotating a proxy less than 3 hours old")
+                    continue
+                if proxy.deprecate(reason=self.short_name):
+                    logging.info("Rotated %s", proxy.url)
+                    rotated.append((proxy.url, proxy.origin.domain_name))
+                else:
+                    logging.debug("Not rotating a proxy that is already deprecated")
         if rotated:
             activity = Activity(
                 activity_type="block",
@@ -80,3 +81,12 @@ def active_proxies() -> List[Proxy]:
         Proxy.deprecated.is_(None),
         Proxy.destroyed.is_(None)
     ).all()
+
+
+def is_match(test_url: str, patterns: List[str]):
+    with ThreadPoolExecutor(os.cpu_count() - 1) as executor:
+        url_fnmatch = functools.partial(fnmatch, test_url)
+        for result in executor.map(fnmatch, patterns):
+            if result:
+                return True
+    return False