diff --git a/Cargo.lock b/Cargo.lock
index aa84a84..d537726 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1443,7 +1443,7 @@ dependencies = [
  "malachite",
  "malachite-nz",
  "openssl",
- "rand 0.8.5",
+ "rand 0.9.2",
  "reqwest",
  "serde",
  "serde_json",
diff --git a/common/Cargo.toml b/common/Cargo.toml
index 597649c..969dd1e 100644
--- a/common/Cargo.toml
+++ b/common/Cargo.toml
@@ -26,4 +26,4 @@ openssl = { version = "0.10", features = ["vendored"], optional = true }
 reqwest = { version = "0.12", features = ["blocking", "json"], optional = true, default-features = false }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = { version = "1.0" }
-rand = { version = "0.8", optional = true }
+rand = { version = "0.9", optional = true }