diff --git a/sandbox/Cargo.lock b/sandbox/Cargo.lock
index e842b3f..4142651 100644
--- a/sandbox/Cargo.lock
+++ b/sandbox/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"
@@ -1339,7 +1341,7 @@ dependencies = [
  "libc",
  "redox_syscall",
  "rustc_version",
- "smallvec 0.6.13",
+ "smallvec 0.6.14",
  "winapi",
 ]
 
@@ -1985,9 +1987,9 @@ checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 
 [[package]]
 name = "smallvec"
-version = "0.6.13"
+version = "0.6.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7b0758c52e15a8b5e3691eae6cc559f08eee9406e548a4477ba4e67770a82b6"
+checksum = "b97fcaeba89edba30f044a10c6a3cc39df9c3f17d7cd829dd1446cab35f890e0"
 dependencies = [
  "maybe-uninit",
 ]