diff --git a/Cargo.toml b/Cargo.toml
index d657a5c4e..42743dad0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -46,7 +46,7 @@ async_zip = { version = "0.0.12", default-features = false, features = ["deflate
 backtrace = "0.3"
 base64 = "0.22"
 brotli = { version = "4", default-features=false, features = ["std"] }
-chrono = { version = "0.4", default-features=false, features = ["clock", "std"] }
+chrono = { version = "0.4.37", default-features=false, features = ["clock", "std"] }
 email = { git = "https://github.com/deltachat/rust-email", branch = "master" }
 encoded-words = { git = "https://github.com/async-email/encoded-words", branch = "master" }
 escaper = "0.1"
@@ -119,7 +119,7 @@ pretty_env_logger = "0.5"
 proptest = { version = "1", default-features = false, features = ["std"] }
 tempfile = "3"
 testdir = "0.9.0"
-tokio = { version = "1", features = ["parking_lot", "rt-multi-thread", "macros"] }
+tokio = { version = "1.37.0", features = ["parking_lot", "rt-multi-thread", "macros"] }
 pretty_assertions = "1.3.0"
 
 [workspace]
diff --git a/deltachat-repl/Cargo.toml b/deltachat-repl/Cargo.toml
index 210275399..da6ce6e13 100644
--- a/deltachat-repl/Cargo.toml
+++ b/deltachat-repl/Cargo.toml
@@ -14,7 +14,7 @@ log = "0.4.21"
 pretty_env_logger = "0.5"
 rusqlite = "0.31"
 rustyline = "14"
-tokio = { version = "1", features = ["fs", "rt-multi-thread", "macros"] }
+tokio = { version = "1.37.0", features = ["fs", "rt-multi-thread", "macros"] }
 
 [features]
 default = ["vendored"]