diff --git a/Cargo.lock b/Cargo.lock
index a94d0eb8f..448958eb1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -334,7 +334,7 @@ name = "futures-macro"
 version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro-hack 0.5.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -363,7 +363,7 @@ dependencies = [
  "futures-task 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro-hack 0.5.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro-nested 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -685,7 +685,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "proc-macro-hack"
-version = "0.5.14"
+version = "0.5.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1439,7 +1439,7 @@ dependencies = [
 "checksum pnet_sys 0.25.0 (registry+https://github.com/rust-lang/crates.io-index)" = "82f881a6d75ac98c5541db6144682d1773bb14c6fc50c6ebac7086c8f7f23c29"
 "checksum pnet_transport 0.25.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1b75ccaee7b5daba9f9a7d47bceeb73cc32edde9952dc5409460d6621ec667b6"
 "checksum ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
-"checksum proc-macro-hack 0.5.14 (registry+https://github.com/rust-lang/crates.io-index)" = "fcfdefadc3d57ca21cf17990a28ef4c0f7c61383a28cb7604cf4a18e6ede1420"
+"checksum proc-macro-hack 0.5.15 (registry+https://github.com/rust-lang/crates.io-index)" = "0d659fe7c6d27f25e9d80a1a094c223f5246f6a6596453e09d7229bf42750b63"
 "checksum proc-macro-nested 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8e946095f9d3ed29ec38de908c22f95d9ac008e424c7bcae54c75a79c527c694"
 "checksum proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)" = "df246d292ff63439fea9bc8c0a270bed0e390d5ebd4db4ba15aba81111b5abe3"
 "checksum quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2bdc6c187c65bca4260c9011c9e3132efe4909da44726bad24cf7572ae338d7f"