diff --git a/Cargo.lock b/Cargo.lock
index 28039d2b..8b3135fe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -849,9 +849,9 @@ dependencies = [
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.63"
+version = "0.9.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6b0d6fb7d80f877617dfcb014e605e2b5ab2fb0afdf27935219bb6bd984cb98"
+checksum = "209efc2fe0e980c8849efacdb567f975a1c80245c4f6980d6f012733bfa851af"
 dependencies = [
  "autocfg",
  "cc",