diff --git a/Cargo.lock b/Cargo.lock
index ea3bb71..37811aa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,8 +1,8 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
-name = "adler32"
-version = "1.0.4"
+name = "adler"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -22,6 +22,11 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "autocfg"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "backtrace"
 version = "0.3.40"
@@ -129,13 +134,13 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "1.0.13"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
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  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "miniz_oxide 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miniz_oxide 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -230,10 +235,11 @@ dependencies = [
 
 [[package]]
 name = "miniz_oxide"
-version = "0.3.5"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "adler32 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "adler 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -314,7 +320,7 @@ version = "0.3.0"
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- "flate2 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flate2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "lz4 1.23.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rate-macros 0.3.0",
@@ -583,9 +589,10 @@ dependencies = [
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 "checksum atty 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)" = "1803c647a3ec87095e7ae7acfca019e98de5ec9a7d01343f611cf3152ed71a90"
+"checksum autocfg 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 "checksum backtrace 0.3.40 (registry+https://github.com/rust-lang/crates.io-index)" = "924c76597f0d9ca25d762c25a4d369d51267536465dc5064bdf0eb073ed477ea"
 "checksum backtrace-sys 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)" = "5d6575f128516de27e3ce99689419835fce9643a9b215a14d2b5b685be018491"
 "checksum bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
@@ -598,7 +605,7 @@ dependencies = [
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 "checksum error-chain 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3ab49e9dcb602294bc42f9a7dfc9bc6e936fca4418ea300dbfb84fe16de0b7d9"
-"checksum flate2 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)" = "6bd6d6f4752952feb71363cffc9ebac9411b75b87c6ab6058c40c8900cf43c0f"
+"checksum flate2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)" = "da80be589a72651dcda34d8b35bcdc9b7254ad06325611074d9cc0fbb19f60ee"
 "checksum fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
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@@ -611,7 +618,7 @@ dependencies = [
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