diff --git a/gstreamer/Cargo.toml b/gstreamer/Cargo.toml
index 35a9d253e..ac764b628 100644
--- a/gstreamer/Cargo.toml
+++ b/gstreamer/Cargo.toml
@@ -33,7 +33,7 @@ v1_10 = ["gstreamer-sys/v1_10"]
 v1_12 = ["gstreamer-sys/v1_12", "v1_10"]
 embed-lgpl-docs = ["rustdoc-stripper"]
 purge-lgpl-docs = ["rustdoc-stripper"]
-dox = ["gstreamer-sys/dox", "glib/dox"]
+dox = ["gstreamer-sys/dox", "glib/dox", "futures"]
 default-features = []
 
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