diff --git a/resources/config/mimetypemapping.dist.json b/resources/config/mimetypemapping.dist.json
index c59dfaefd3..dd0a4942db 100644
--- a/resources/config/mimetypemapping.dist.json
+++ b/resources/config/mimetypemapping.dist.json
@@ -123,6 +123,10 @@
 	"odp": ["application/vnd.oasis.opendocument.presentation"],
 	"ods": ["application/vnd.oasis.opendocument.spreadsheet"],
 	"odt": ["application/vnd.oasis.opendocument.text"],
+	"ott": ["application/vnd.oasis.opendocument.text-template"],
+	"ots": ["application/vnd.oasis.opendocument.spreadsheet-template"],
+	"otp": ["application/vnd.oasis.opendocument.presentation-template"],
+	"otg": ["application/vnd.oasis.opendocument.graphics-template"],
 	"oga": ["audio/ogg"],
 	"ogg": ["audio/ogg"],
 	"ogv": ["video/ogg"],