diff --git a/src/lists/darwin-extensions b/src/lists/darwin-extensions
index fe12bb4..8f3e0aa 100644
--- a/src/lists/darwin-extensions
+++ b/src/lists/darwin-extensions
@@ -24,6 +24,7 @@ c
 c
 c
 c
+c
 couchbase
 e
 e
@@ -130,6 +131,7 @@ r
 r
 r
 r
+r
 rdkafka
 redis
 s