diff --git a/Cargo.lock b/Cargo.lock
index 5556a82c2..45951c6e7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -823,9 +823,9 @@ dependencies = [
 
 [[package]]
 name = "chrono"
-version = "0.4.38"
+version = "0.4.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a21f936df1771bf62b77f047b726c4625ff2e8aa607c01ec06e5a05bd8463401"
+checksum = "7e36cc9d416881d2e24f9a963be5fb1cd90966419ac844274161d10488b3e825"
 dependencies = [
  "android-tzdata",
  "iana-time-zone",
@@ -2851,7 +2851,7 @@ dependencies = [
  "iana-time-zone-haiku",
  "js-sys",
  "wasm-bindgen",
- "windows-core 0.51.1",
+ "windows-core 0.52.0",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index a1d79d174..ef2d95df1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -169,7 +169,7 @@ harness = false
 anyhow = "1"
 async-channel = "2.3.1"
 base64 = "0.22"
-chrono = { version = "0.4.38", default-features = false }
+chrono = { version = "0.4.39", default-features = false }
 deltachat-contact-tools = { path = "deltachat-contact-tools" }
 deltachat-jsonrpc = { path = "deltachat-jsonrpc", default-features = false }
 deltachat = { path = ".", default-features = false }