diff --git a/Cargo.lock b/Cargo.lock
index e0f43b6..2be64bb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -10,9 +10,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "bitflags"
-version = "1.3.2"
+version = "2.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+checksum = "630be753d4e58660abd17930c71b647fe46c27ea6b63cc59e1e3851406972e42"
 
 [[package]]
 name = "cfg-if"
diff --git a/Cargo.toml b/Cargo.toml
index 1a9d12e..8239878 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ rust-version = "1.57"
 exclude = [".github/"]
 
 [dependencies]
-bitflags = "1.0.4"
+bitflags = "2.3.3"
 lset = "0.3.0"
 primordial = "0.5.0"
 const-default = "1.0.0"