diff --git a/Cargo.lock b/Cargo.lock
index f5b2e27..74415b6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -62,9 +62,9 @@ dependencies = [
 
 [[package]]
 name = "bitflags"
-version = "1.2.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "cc"
diff --git a/Cargo.toml b/Cargo.toml
index 3758158..5867a32 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ crossbeam-channel = "0.5.1"
 
 # Others
 nix = "0.17.0" # see https://github.com/nix-rust/nix/pull/1422
-bitflags = "1.2.1"
+bitflags = "1.3.2"
 crossbeam-utils = "0.8.3"
 ctrlc = "3.1.8"
 lazy_static = "1.4.0"