diff --git a/Cargo.lock b/Cargo.lock
index 43e1a2cc..ec2a88ff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -41,7 +41,7 @@ version = "0.66.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2b84e06fc203107bfbad243f4aba2af864eb7db3b1cf46ea0a023b0b433d2a7"
 dependencies = [
- "bitflags 2.3.3",
+ "bitflags 2.4.1",
  "cexpr",
  "clang-sys",
  "lazy_static",
@@ -66,9 +66,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bitflags"
-version = "2.3.3"
+version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "630be753d4e58660abd17930c71b647fe46c27ea6b63cc59e1e3851406972e42"
+checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07"
 
 [[package]]
 name = "block-buffer"
@@ -525,7 +525,7 @@ dependencies = [
 name = "mc-sgx-core-types"
 version = "0.10.1"
 dependencies = [
- "bitflags 2.3.3",
+ "bitflags 2.4.1",
  "displaydoc",
  "getrandom",
  "hex",
@@ -1072,7 +1072,7 @@ version = "0.38.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0a962918ea88d644592894bc6dc55acc6c0956488adcebbfb6e273506b7fd6e5"
 dependencies = [
- "bitflags 2.3.3",
+ "bitflags 2.4.1",
  "errno",
  "libc",
  "linux-raw-sys",