diff --git a/Cargo.lock b/Cargo.lock
index 7198aa478..7ca5a27c3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2128,9 +2128,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.95"
+version = "0.2.97"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "789da6d93f1b866ffe175afc5322a4d76c038605a1c3319bb57b06967ca98a36"
+checksum = "12b8adadd720df158f4d70dfe7ccc6adb0472d7c55ca83445f6a5ab3e36f8fb6"
 
 [[package]]
 name = "libm"
diff --git a/Cargo.toml b/Cargo.toml
index 0bc762f05..9afcd6ebc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,7 +40,7 @@ indexmap = "1.3.0"
 itertools = "0.10.1"
 kamadak-exif = "0.5"
 lettre_email = { git = "https://github.com/deltachat/lettre", branch = "master" }
-libc = "0.2.95"
+libc = "0.2.97"
 log = {version = "0.4.8", optional = true }
 mailparse = "0.13.4"
 native-tls = "0.2.3"