diff --git a/Cargo.lock b/Cargo.lock
index 95e6760c8..a8bb96793 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1288,7 +1288,7 @@ dependencies = [
  "libc",
  "num-traits",
  "once_cell",
- "rand 0.7.3",
+ "rand 0.8.5",
  "serde_json",
  "thiserror",
  "tokio",
diff --git a/deltachat-ffi/Cargo.toml b/deltachat-ffi/Cargo.toml
index cb403f5ff..8479a184a 100644
--- a/deltachat-ffi/Cargo.toml
+++ b/deltachat-ffi/Cargo.toml
@@ -23,7 +23,7 @@ serde_json = "1.0"
 tokio = { version = "1", features = ["rt-multi-thread"] }
 anyhow = "1"
 thiserror = "1"
-rand = "0.7"
+rand = "0.8"
 once_cell = "1.17.0"
 
 [features]