diff --git a/Cargo.toml b/Cargo.toml
index 5dce464..61e307b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -55,7 +55,7 @@ csv = { version = "1.1.5", optional = true }
 serde_json = { version = "1.0.61", optional = true }
 
 [dependencies]
-bitflags = "1.*"
+bitflags = "2.*"
 bit_field = "0.10.1"
 raw-cpuid = "10.2.0"