diff --git a/Cargo.lock b/Cargo.lock
index adcc6b628..dfba74dcb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -820,15 +820,15 @@ dependencies = [
 
 [[package]]
 name = "chrono"
-version = "0.4.39"
+version = "0.4.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e36cc9d416881d2e24f9a963be5fb1cd90966419ac844274161d10488b3e825"
+checksum = "1a7964611d71df112cb1730f2ee67324fcf4d0fc6606acbbe9bfe06df124637c"
 dependencies = [
  "android-tzdata",
  "iana-time-zone",
  "num-traits",
  "serde",
- "windows-targets 0.52.6",
+ "windows-link",
 ]
 
 [[package]]
@@ -7006,6 +7006,12 @@ dependencies = [
  "syn 2.0.98",
 ]
 
+[[package]]
+name = "windows-link"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6dccfd733ce2b1753b03b6d3c65edf020262ea35e20ccdf3e288043e6dd620e3"
+
 [[package]]
 name = "windows-registry"
 version = "0.2.0"
diff --git a/Cargo.toml b/Cargo.toml
index 62817236c..095d5163f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -174,7 +174,7 @@ harness = false
 anyhow = "1"
 async-channel = "2.3.1"
 base64 = "0.22"
-chrono = { version = "0.4.39", default-features = false }
+chrono = { version = "0.4.40", default-features = false }
 deltachat-contact-tools = { path = "deltachat-contact-tools" }
 deltachat-jsonrpc = { path = "deltachat-jsonrpc", default-features = false }
 deltachat = { path = ".", default-features = false }