diff --git a/Cargo.lock b/Cargo.lock
index b9fb757..ead21d4 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 = "ahash"
 version = "0.2.18"
@@ -105,7 +107,7 @@ checksum = "66c0bb6167449588ff70803f4127f0684f9063097eca5016f37eb52b92c2cf36"
 dependencies = [
  "bitflags",
  "cexpr",
- "cfg-if",
+ "cfg-if 0.1.10",
  "clang-sys",
  "clap",
  "env_logger",
@@ -209,6 +211,12 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
 [[package]]
 name = "clang-sys"
 version = "0.29.3"
@@ -271,7 +279,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
 dependencies = [
  "autocfg 1.0.0",
- "cfg-if",
+ "cfg-if 0.1.10",
  "lazy_static",
 ]
 
@@ -454,7 +462,7 @@ version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7abc8dd8451921606d809ba32e95b6111925cd2906060d2dcc29c070220503eb"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
  "libc",
  "wasi",
 ]
@@ -571,7 +579,7 @@ name = "kvmi-semantic"
 version = "0.1.0"
 dependencies = [
  "async-std",
- "cfg-if",
+ "cfg-if 0.1.10",
  "env_logger",
  "futures",
  "kvmi",
@@ -622,7 +630,7 @@ version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
 ]
 
 [[package]]
@@ -646,7 +654,7 @@ version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "256489d4d106cd2bc9e98ed0337402db0044de0621745d5d9eb70a14295ff77b"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
  "downcast",
  "fragile",
  "lazy_static",
@@ -661,7 +669,7 @@ version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "826e14e8643cb12103b56efb963e5f9640b69b0f7bdcc460002092df4b0e959f"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
  "proc-macro2",
  "quote",
  "syn",
@@ -675,7 +683,7 @@ checksum = "50e4785f2c3b7589a0d0c1dd60285e1188adac4006e8abd6dd578e1567027363"
 dependencies = [
  "bitflags",
  "cc",
- "cfg-if",
+ "cfg-if 0.1.10",
  "libc",
  "void",
 ]
@@ -965,12 +973,6 @@ dependencies = [
  "rand_core",
 ]
 
-[[package]]
-name = "redox_syscall"
-version = "0.1.56"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
-
 [[package]]
 name = "regex"
 version = "1.3.9"
@@ -1099,13 +1101,12 @@ dependencies = [
 
 [[package]]
 name = "socket2"
-version = "0.3.12"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03088793f677dce356f3ccc2edb1b314ad191ab702a5de3faf49304f7e104918"
+checksum = "122e570113d28d773067fab24266b66753f6ea915758651696b6e35e49f88d6e"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "libc",
- "redox_syscall",
  "winapi",
 ]
 
@@ -1248,7 +1249,7 @@ version = "0.2.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c2dc4aa152834bc334f506c1a06b866416a8b6697d5c9f75b9a689c8486def0"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
  "wasm-bindgen-macro",
 ]
 
@@ -1273,7 +1274,7 @@ version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "64487204d863f109eb77e8462189d111f27cb5712cc9fdb3461297a76963a2f6"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
  "js-sys",
  "wasm-bindgen",
  "web-sys",