diff --git a/Cargo.lock b/Cargo.lock
index 3e659a3..be3fcea 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -588,9 +588,9 @@ checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "bytes"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4872d67bab6358e59559027aa3b9157c53d9358c51423c17554809a8858e0f8"
+checksum = "f0b3de4a0c5e67e16066a0715723abd91edc2f9001d09c46e1dca929351e130e"
 
 [[package]]
 name = "cache-padded"
@@ -2459,9 +2459,12 @@ checksum = "04d2ecae5fcf33b122e2e6bd520a57ccf152d2dde3b38c71039df1a6867264ee"
 
 [[package]]
 name = "slab"
-version = "0.4.6"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb703cfe953bccee95685111adeedb76fabe4e97549a58d16f03ea7b9367bb32"
+checksum = "4614a76b2a8be0058caa9dbbaf66d988527d86d003c11a94fbd335d7661edcef"
+dependencies = [
+ "autocfg",
+]
 
 [[package]]
 name = "smallvec"