diff --git a/Cargo.lock b/Cargo.lock
index 96a66c4..5ea53f8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -95,7 +95,7 @@ dependencies = [
  "rand_pcg 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "superslice 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -923,7 +923,7 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.0.0"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1150,7 +1150,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 "checksum sized-chunks 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6f59f81ec9833a580d2448e958d16bd872637798f3ab300b693c48f136fb76ff"
 "checksum smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "f7b0758c52e15a8b5e3691eae6cc559f08eee9406e548a4477ba4e67770a82b6"
-"checksum smallvec 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4ecf3b85f68e8abaa7555aa5abdb1153079387e60b718283d732f03897fcfc86"
+"checksum smallvec 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "44e59e0c9fa00817912ae6e4e6e3c4fe04455e75699d06eedc7d85917ed8e8f4"
 "checksum static_assertions 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "7f3eb36b47e512f8f1c9e3d10c2c1965bc992bd9cdb024fa581e2194501c83d3"
 "checksum strsim 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
 "checksum superslice 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ab16ced94dbd8a46c82fd81e3ed9a8727dac2977ea869d217bcc4ea1f122e81f"
diff --git a/Cargo.toml b/Cargo.toml
index a2ade72..a4b13d4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -153,7 +153,7 @@ modtype = "=0.7.0"
 rustc-hash = "=1.0.1"
 
 # 固定配列上のベクタ。ヒープ領域でなくスタック領域にアロケートされるので高速かもしれない
-smallvec = "=1.0.0"
+smallvec = "=1.1.0"
 
 # 代替ヒープアロケータ。条件によってはシステムアロケータより速いことも
 [target.'cfg(not(windows))'.dependencies]