diff --git a/Cargo.lock b/Cargo.lock
index e459d86..60ab515 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -19,9 +19,9 @@ dependencies = [
 
 [[package]]
 name = "crypto-common"
-version = "0.2.0-rc.8"
+version = "0.2.0-rc.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6165b8029cdc3e765b74d3548f85999ee799d5124877ce45c2c85ca78e4d4aa"
+checksum = "41b8986f836d4aeb30ccf4c9d3bd562fd716074cfd7fc4a2948359fbd21ed809"
 dependencies = [
  "hybrid-array",
 ]
@@ -52,9 +52,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.178"
+version = "0.2.179"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37c93d8daa9d8a012fd8ab92f088405fb202ea0b6ab73ee2482ae66af4f42091"
+checksum = "c5a2d376baa530d1238d133232d15e239abad80d05838b4b59354e5268af431f"
 
 [[package]]
 name = "poly1305"