Update to bitflags 2.3.1.

This is a new major version and requires some code changes.

1 files changed, 1 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index ee3882ac..243f309d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ targets = [
 
 [dependencies]
 libc = { version = "0.2.141", features = ["extra_traits"] }
-bitflags = "1.1"
+bitflags = "2.3.1"
 cfg-if = "1.0"
 pin-utils = { version = "0.1.0", optional = true }
 static_assertions = "1"