diff --git a/Cargo.lock b/Cargo.lock
index 947fed21..9eea17f7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -19,9 +19,9 @@ checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
 
 [[package]]
 name = "arbitrary"
-version = "1.3.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2e1373abdaa212b704512ec2bd8b26bd0b7d5c3f70117411a5d9a451383c859"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -273,9 +273,9 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53e0efad4403bfc52dc201159c4b842a246a14b98c64b55dfd0f2d89729dfeb8"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 6e99169b..c1c98a0c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ bitvec = { version = "1", default-features = false, features = [ "alloc" ], opti
 bytes = { version = "1", default-features = false, optional = true }
 byte-slice-cast = { version = "1.2.2", default-features = false }
 generic-array = { version = "0.14.7", optional = true }
-arbitrary = { version = "1.3.1", features = ["derive"], optional = true }
+arbitrary = { version = "1.3.2", features = ["derive"], optional = true }
 impl-trait-for-tuples = "0.2.2"
 
 [dev-dependencies]
diff --git a/fuzzer/Cargo.toml b/fuzzer/Cargo.toml
index a2faa628..9ace1624 100644
--- a/fuzzer/Cargo.toml
+++ b/fuzzer/Cargo.toml
@@ -9,5 +9,5 @@ publish = false
 [dependencies]
 parity-scale-codec = { path = "..", features = ["derive", "bit-vec", "fuzz"] }
 honggfuzz = "0.5.55"
-arbitrary = { version = "1.3.1", features = ["derive"] }
+arbitrary = { version = "1.3.2", features = ["derive"] }
 bitvec = { version = "1", features = ["alloc"] }