diff --git a/Cargo.lock b/Cargo.lock
index 5a50c822..d41adc81 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -415,17 +415,17 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bitflags"
-version = "2.2.1"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24a6904aef64d73cf10ab17ebace7befb918b82164785cb89907993be7f83813"
+checksum = "6776fc96284a0bb647b615056fc496d1fe1644a7ab01829818a6d91cae888b84"
 
 [[package]]
 name = "bitflags-serde-legacy"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dfecf9fa72400de980120c09d7027140daa6541292245ff61a4ad3b89771680e"
+checksum = "5b64e60c28b6d25ad92e8b367801ff9aa12b41d05fc8798055d296bace4a60cc"
 dependencies = [
- "bitflags 2.2.1",
+ "bitflags 2.3.1",
  "serde",
 ]
 
@@ -5731,7 +5731,7 @@ dependencies = [
 name = "zebra-chain"
 version = "1.0.0-beta.24"
 dependencies = [
- "bitflags 2.2.1",
+ "bitflags 2.3.1",
  "bitflags-serde-legacy",
  "bitvec",
  "blake2b_simd",
@@ -5844,7 +5844,7 @@ dependencies = [
 name = "zebra-network"
 version = "1.0.0-beta.24"
 dependencies = [
- "bitflags 2.2.1",
+ "bitflags 2.3.1",
  "byteorder",
  "bytes",
  "chrono",
diff --git a/zebra-chain/Cargo.toml b/zebra-chain/Cargo.toml
index 568fd906..5d448dda 100644
--- a/zebra-chain/Cargo.toml
+++ b/zebra-chain/Cargo.toml
@@ -40,7 +40,7 @@ bench = ["zebra-test"]
 # Cryptography
 bitvec = "1.0.1"
 bitflags = "2.2.1"
-bitflags-serde-legacy = "0.1.0"
+bitflags-serde-legacy = "0.1.1"
 blake2b_simd = "1.0.1"
 blake2s_simd = "1.0.1"
 bs58 = { version = "0.4.0", features = ["check"] }