diff --git a/Cargo.toml b/Cargo.toml
index f2c126f..950ac4a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,4 +13,4 @@ edition = "2018"
 
 [dependencies]
 backtrace = "0.3.55"
-bitflags = "1.2.1"
+bitflags = "2.3.1"