diff --git a/Cargo.lock b/Cargo.lock
index f7dc662..e4ba438 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 = "adler"
 version = "0.2.3"
@@ -26,9 +28,9 @@ checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 
 [[package]]
 name = "bzip2"
-version = "0.4.1"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "275d84fe348b838dc49477d39770682839b3e73e21a3eadc07b12924f1a9fcbe"
+checksum = "bdb116a6ef3f6c3698828873ad02c3014b3c85cadb88496095628e3ef1e347f8"
 dependencies = [
  "bzip2-sys",
  "libc",
@@ -36,9 +38,9 @@ dependencies = [
 
 [[package]]
 name = "bzip2-sys"
-version = "0.1.9+1.0.8"
+version = "0.1.11+1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad3b39a260062fca31f7b0b12f207e8f2590a67d32ec7d59c20484b07ea7285e"
+checksum = "736a955f3fa7875102d57c82b8cac37ec45224a07fd32d58f9f7a186b6cd4cdc"
 dependencies = [
  "cc",
  "libc",