diff --git a/youtube_dl/extractor/extractors.py b/youtube_dl/extractor/extractors.py
index 07a8af055..871767e81 100644
--- a/youtube_dl/extractor/extractors.py
+++ b/youtube_dl/extractor/extractors.py
@@ -170,6 +170,7 @@ from .carambatv import (
     CarambaTVIE,
     CarambaTVPageIE,
 )
+from .captiongenerator import CaptionGeneratorIE
 from .cartoonnetwork import CartoonNetworkIE
 from .cbc import (
     CBCIE,