diff --git a/Cargo.lock b/Cargo.lock
index 9c37dc3961f..adec856f907 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1309,9 +1309,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.158"
+version = "0.2.159"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8adc4bb1803a324070e64a98ae98f38934d91957a99cfb3a43dcbc01bc56439"
+checksum = "561d97a539a36e26a9a5fad1ea11a3039a67714694aaa379433e580854bc3dc5"
 
 [[package]]
 name = "libloading"
diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index b41efeeed3a..b9944d873b0 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -416,9 +416,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.158"
+version = "0.2.159"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8adc4bb1803a324070e64a98ae98f38934d91957a99cfb3a43dcbc01bc56439"
+checksum = "561d97a539a36e26a9a5fad1ea11a3039a67714694aaa379433e580854bc3dc5"
 
 [[package]]
 name = "libfuzzer-sys"
@@ -873,7 +873,7 @@ dependencies = [
  "libc",
  "parse_datetime",
  "uucore",
- "windows-sys 0.48.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -1001,7 +1001,7 @@ dependencies = [
  "uucore_procs",
  "wild",
  "winapi-util",
- "windows-sys 0.48.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]