diff --git a/Cargo.lock b/Cargo.lock
index 13a88d9..4cddf48 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -258,9 +258,9 @@ checksum = "faed1a83001dc2c9201451030cc317e35bef36c84d3781d7c5bb9f343c397da8"
 
 [[package]]
 name = "cc"
-version = "1.2.50"
+version = "1.2.51"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f50d563227a1c37cc0a263f64eca3334388c01c5e4c4861a9def205c614383c"
+checksum = "7a0aeaff4ff1a90589618835a598e545176939b97874f7abc7851caa0618f203"
 dependencies = [
  "find-msvc-tools",
  "shlex",
@@ -449,9 +449,9 @@ checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
 
 [[package]]
 name = "find-msvc-tools"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3a3076410a55c90011c298b04d0cfa770b00fa04e1e3c97d3f6c9de105a03844"
+checksum = "645cbb3a84e60b7531617d5ae4e57f7e27308f6445f5abf653209ea76dec8dff"
 
 [[package]]
 name = "fnv"