diff --git a/Cargo.lock b/Cargo.lock
index a68f014e98ea2..ec3924f255cb9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "Inflector"
 version = "0.11.4"
@@ -845,7 +847,7 @@ dependencies = [
  "log",
  "regalloc",
  "serde",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "target-lexicon",
  "thiserror",
 ]
@@ -883,7 +885,7 @@ checksum = "2ef419efb4f94ecc02e5d9fbcc910d2bb7f0040e2de570e63a454f883bc891d6"
 dependencies = [
  "cranelift-codegen",
  "log",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "target-lexicon",
 ]
 
@@ -1621,7 +1623,7 @@ dependencies = [
  "paste 0.1.18",
  "pretty_assertions",
  "serde",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "sp-api",
  "sp-arithmetic",
  "sp-core",
@@ -2740,7 +2742,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8891bd853eff90e33024195d79d578dc984c82f9e0715fcd2b525a0c19d52811"
 dependencies = [
  "parity-util-mem",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
 ]
 
 [[package]]
@@ -2769,7 +2771,7 @@ dependencies = [
  "parking_lot 0.11.1",
  "regex",
  "rocksdb",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
 ]
 
 [[package]]
@@ -2864,7 +2866,7 @@ dependencies = [
  "parity-multiaddr",
  "parking_lot 0.11.1",
  "pin-project 1.0.2",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "wasm-timer",
 ]
 
@@ -2895,7 +2897,7 @@ dependencies = [
  "ring",
  "rw-stream-sink",
  "sha2 0.9.2",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "thiserror",
  "unsigned-varint 0.6.0",
  "void",
@@ -2949,7 +2951,7 @@ dependencies = [
  "prost 0.7.0",
  "prost-build",
  "rand 0.7.3",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
 ]
 
 [[package]]
@@ -2973,7 +2975,7 @@ dependencies = [
  "rand 0.7.3",
  "regex",
  "sha2 0.9.2",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "unsigned-varint 0.6.0",
  "wasm-timer",
 ]
@@ -2990,7 +2992,7 @@ dependencies = [
  "log",
  "prost 0.7.0",
  "prost-build",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "wasm-timer",
 ]
 
@@ -3013,7 +3015,7 @@ dependencies = [
  "prost-build",
  "rand 0.7.3",
  "sha2 0.9.2",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "uint",
  "unsigned-varint 0.6.0",
  "void",
@@ -3036,7 +3038,7 @@ dependencies = [
  "libp2p-swarm",
  "log",
  "rand 0.7.3",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "socket2",
  "void",
 ]
@@ -3055,7 +3057,7 @@ dependencies = [
  "nohash-hasher",
  "parking_lot 0.11.1",
  "rand 0.7.3",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "unsigned-varint 0.6.0",
 ]
 
@@ -3142,7 +3144,7 @@ dependencies = [
  "lru",
  "minicbor",
  "rand 0.7.3",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "unsigned-varint 0.6.0",
  "wasm-timer",
 ]
@@ -3158,7 +3160,7 @@ dependencies = [
  "libp2p-core",
  "log",
  "rand 0.7.3",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "void",
  "wasm-timer",
 ]
@@ -3622,7 +3624,7 @@ dependencies = [
  "futures 0.3.9",
  "log",
  "pin-project 1.0.2",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "unsigned-varint 0.6.0",
 ]
 
@@ -5126,7 +5128,7 @@ dependencies = [
  "parity-scale-codec",
  "serde",
  "serde_json",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "sp-core",
  "sp-io",
  "sp-runtime",
@@ -5307,7 +5309,7 @@ dependencies = [
  "parity-util-mem-derive",
  "parking_lot 0.11.1",
  "primitive-types",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "winapi 0.3.9",
 ]
 
@@ -5418,7 +5420,7 @@ dependencies = [
  "cloudabi 0.0.3",
  "libc",
  "redox_syscall",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "winapi 0.3.9",
 ]
 
@@ -5433,7 +5435,7 @@ dependencies = [
  "instant",
  "libc",
  "redox_syscall",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "winapi 0.3.9",
 ]
 
@@ -6176,7 +6178,7 @@ checksum = "b9ba8aaf5fe7cf307c6dbdaeed85478961d29e25e3bee5169e11b92fa9f027a8"
 dependencies = [
  "log",
  "rustc-hash",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
 ]
 
 [[package]]
@@ -7131,7 +7133,7 @@ dependencies = [
  "sc-peerset",
  "serde",
  "serde_json",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "sp-arithmetic",
  "sp-blockchain",
  "sp-consensus",
@@ -7924,9 +7926,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.5.0"
+version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7acad6f34eb9e8a259d3283d1e8c1d34d7415943d4895f65cc73813c7396fc85"
+checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
 [[package]]
 name = "snow"
@@ -8604,7 +8606,7 @@ dependencies = [
  "parking_lot 0.11.1",
  "pretty_assertions",
  "rand 0.7.3",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "sp-core",
  "sp-externalities",
  "sp-panic-handler",
@@ -9665,7 +9667,7 @@ dependencies = [
  "serde",
  "serde_json",
  "sharded-slab",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "thread_local",
  "tracing",
  "tracing-core",
@@ -9705,7 +9707,7 @@ dependencies = [
  "hashbrown",
  "log",
  "rustc-hex",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
 ]
 
 [[package]]
@@ -10142,7 +10144,7 @@ dependencies = [
  "log",
  "region",
  "rustc-demangle",
- "smallvec 1.5.0",
+ "smallvec 1.10.0",
  "target-lexicon",
  "wasmparser 0.59.0",
  "wasmtime-environ",
diff --git a/client/network/Cargo.toml b/client/network/Cargo.toml
index 8c6fc4e668d08..e1dd7d3be3ca9 100644
--- a/client/network/Cargo.toml
+++ b/client/network/Cargo.toml
@@ -48,7 +48,7 @@ sc-client-api = { version = "2.0.0", path = "../api" }
 sc-peerset = { version = "2.0.0", path = "../peerset" }
 serde = { version = "1.0.101", features = ["derive"] }
 serde_json = "1.0.41"
-smallvec = "1.5.0"
+smallvec = "1.10.0"
 sp-arithmetic = { version = "2.0.0", path = "../../primitives/arithmetic" }
 sp-blockchain = { version = "2.0.0", path = "../../primitives/blockchain" }
 sp-consensus = { version = "0.8.0", path = "../../primitives/consensus/common" }
diff --git a/frame/support/Cargo.toml b/frame/support/Cargo.toml
index 3354f17d27c90..a11803187bf45 100644
--- a/frame/support/Cargo.toml
+++ b/frame/support/Cargo.toml
@@ -30,7 +30,7 @@ once_cell = { version = "1", default-features = false, optional = true }
 sp-state-machine = { version = "0.8.0", optional = true, path = "../../primitives/state-machine" }
 bitflags = "1.2"
 impl-trait-for-tuples = "0.2.0"
-smallvec = "1.4.1"
+smallvec = "1.10.0"
 
 [dev-dependencies]
 pretty_assertions = "0.6.1"
diff --git a/frame/transaction-payment/Cargo.toml b/frame/transaction-payment/Cargo.toml
index e9741fbbb05c8..f9919e15ed20a 100644
--- a/frame/transaction-payment/Cargo.toml
+++ b/frame/transaction-payment/Cargo.toml
@@ -19,7 +19,7 @@ sp-std = { version = "2.0.0", default-features = false, path = "../../primitives
 sp-runtime = { version = "2.0.0", default-features = false, path = "../../primitives/runtime" }
 frame-support = { version = "2.0.0", default-features = false, path = "../support" }
 frame-system = { version = "2.0.0", default-features = false, path = "../system" }
-smallvec = "1.4.1"
+smallvec = "1.10.0"
 sp-io = { version = "2.0.0", path = "../../primitives/io", default-features = false }
 sp-core = { version = "2.0.0", path = "../../primitives/core", default-features = false }
 
diff --git a/primitives/state-machine/Cargo.toml b/primitives/state-machine/Cargo.toml
index 0c1a2a558f25b..917c8b813ba95 100644
--- a/primitives/state-machine/Cargo.toml
+++ b/primitives/state-machine/Cargo.toml
@@ -27,7 +27,7 @@ codec = { package = "parity-scale-codec", version = "2.0.0", default-features =
 num-traits = { version = "0.2.8", default-features = false }
 rand = { version = "0.7.2", optional = true }
 sp-externalities = { version = "0.8.0", path = "../externalities", default-features = false }
-smallvec = "1.4.1"
+smallvec = "1.10.0"
 sp-std = { version = "2.0.0", default-features = false, path = "../std" }
 
 [dev-dependencies]