diff --git a/Cargo.lock b/Cargo.lock
index ff5af869a4..12cee297c6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -129,7 +129,7 @@ name = "backtrace-sys"
 version = "0.1.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.64 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -352,7 +352,7 @@ name = "bzip2-sys"
 version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.64 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -393,7 +393,7 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.45"
+version = "1.0.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "jobserver 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -473,7 +473,7 @@ name = "clear_on_drop"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -500,7 +500,7 @@ name = "cmake"
 version = "0.1.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1228,7 +1228,7 @@ name = "grpcio-sys"
 version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "cmake 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.64 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1660,7 +1660,7 @@ name = "libloading"
 version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1670,7 +1670,7 @@ version = "5.18.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bindgen 0.47.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.64 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1886,7 +1886,7 @@ version = "0.14.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.64 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1898,7 +1898,7 @@ version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.64 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2666,7 +2666,7 @@ name = "ring"
 version = "0.16.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.64 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3154,7 +3154,7 @@ dependencies = [
 name = "solana-chacha-sys"
 version = "0.20.0"
 dependencies = [
- "cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3330,7 +3330,7 @@ version = "0.20.0"
 dependencies = [
  "backtrace 0.3.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "curve25519-dalek 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3694,7 +3694,7 @@ name = "solana-reed-solomon-erasure"
 version = "4.0.1-3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.64 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -4554,7 +4554,7 @@ name = "sys-info"
 version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.64 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -5412,7 +5412,7 @@ dependencies = [
 "checksum c_linked_list 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4964518bd3b4a8190e832886cdc0da9794f12e8e6c1613a9e90ff331c4c8724b"
 "checksum cast 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "926013f2860c46252efceabb19f4a6b308197505082c609025aa6706c011d427"
 "checksum cbindgen 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9daec6140ab4dcd38c3dd57e580b59a621172a526ac79f1527af760a55afeafd"
-"checksum cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)" = "4fc9a35e1f4290eb9e5fc54ba6cf40671ed2a2514c3eeb2b2a908dda2ea5a1be"
+"checksum cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)" = "0213d356d3c4ea2c18c40b037c3be23cd639825c18f25ee670ac7813beeef99c"
 "checksum cexpr 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "a7fa24eb00d5ffab90eaeaf1092ac85c04c64aaf358ea6f84505b8116d24c6af"
 "checksum cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "b486ce3ccf7ffd79fdeb678eac06a9e6c09fc88d33836340becb8fffe87c5e33"
 "checksum cgmath 0.16.1 (registry+https://github.com/rust-lang/crates.io-index)" = "64a4b57c8f4e3a2e9ac07e0f6abc9c24b6fc9e1b54c3478cfb598f3d0023e51c"
diff --git a/chacha-sys/Cargo.toml b/chacha-sys/Cargo.toml
index b96e03538b..f9575ffa08 100644
--- a/chacha-sys/Cargo.toml
+++ b/chacha-sys/Cargo.toml
@@ -9,4 +9,4 @@ license = "Apache-2.0"
 edition = "2018"
 
 [build-dependencies]
-cc = "1.0.45"
+cc = "1.0.46"