diff --git a/openssl/Cargo.toml b/openssl/Cargo.toml
index 17802aed..47d0a8e0 100644
--- a/openssl/Cargo.toml
+++ b/openssl/Cargo.toml
@@ -35,7 +35,7 @@ hmac = ["c_helpers"]
 dh_from_params = ["c_helpers"]
 
 [dependencies]
-bitflags = ">= 0.5.0, < 0.8.0"
+bitflags = "0.7"
 lazy_static = "0.2"
 libc = "0.2"
 openssl-sys = { version = "0.7.14", path = "../openssl-sys" }