diff --git a/cbz/__init__.py b/cbz/__init__.py
index ba92b46..7ccc159 100644
--- a/cbz/__init__.py
+++ b/cbz/__init__.py
@@ -1,2 +1,9 @@
 from .comic import ComicInfo
 from .page import PageInfo
+
+# Register optional Pillow plugins
+for _plugin in ('pillow_avif', 'pillow_jxl'):
+    try:
+        __import__(_plugin)
+    except ImportError:
+        pass