diff --git a/Cargo.lock b/Cargo.lock
index 0d8b97c..f8a75d7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,12 +17,6 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
-[[package]]
-name = "adler32"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d2e7343e7fc9de883d1b0341e0b13970f764c14101234857d2ddafa1cb1cac2"
-
 [[package]]
 name = "aho-corasick"
 version = "0.7.6"
@@ -157,7 +151,7 @@ dependencies = [
  "cc",
  "cfg-if 1.0.0",
  "libc",
- "miniz_oxide 0.7.1",
+ "miniz_oxide",
  "object",
  "rustc-demangle",
 ]
@@ -582,13 +576,12 @@ checksum = "86d4de0081402f5e88cdac65c8dcdcc73118c1a7a465e2a05f0da05843a8ea33"
 
 [[package]]
 name = "flate2"
-version = "1.0.11"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2adaffba6388640136149e18ed080b77a78611c1e1d6de75aedcdf78df5d4682"
+checksum = "3b9429470923de8e8cbd4d2dc513535400b4b3fef0319fb5c4e1f520a7bef743"
 dependencies = [
  "crc32fast",
- "libc",
- "miniz_oxide 0.3.2",
+ "miniz_oxide",
 ]
 
 [[package]]
@@ -903,15 +896,6 @@ dependencies = [
  "autocfg 1.0.1",
 ]
 
-[[package]]
-name = "miniz_oxide"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7108aff85b876d06f22503dcce091e29f76733b2bfdd91eebce81f5e68203a10"
-dependencies = [
- "adler32",
-]
-
 [[package]]
 name = "miniz_oxide"
 version = "0.7.1"