diff --git a/Makefile b/Makefile
index 7cf363c2..a7d7b437 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,7 @@ CT_OPTS += -ct_hooks cowboy_ct_hook [] # -boot start_sasl
 LOCAL_DEPS = crypto
 
 DEPS = cowlib ranch
-dep_cowlib = git https://github.com/ninenines/cowlib master
+dep_cowlib = git https://github.com/ninenines/cowlib improve-websocket-compressed
 dep_ranch = git https://github.com/ninenines/ranch 1.8.x
 
 ifeq ($(COWBOY_QUICER),1)