diff --git a/Cargo.lock b/Cargo.lock
index aebb427017..6f87dcdbb0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1106,7 +1106,7 @@ dependencies = [
  "proteus-wasm",
  "rand 0.8.6",
  "rand_chacha 0.3.1",
- "rand_core 0.6.4",
+ "rand_core 0.10.1",
  "rmp-serde",
  "rstest",
  "rstest_reuse",
diff --git a/crypto/Cargo.toml b/crypto/Cargo.toml
index 0f49347d9d..b1bf358607 100644
--- a/crypto/Cargo.toml
+++ b/crypto/Cargo.toml
@@ -71,7 +71,7 @@ x509-cert = { workspace = true, features = ["builder", "hazmat"] }
 web-time = "1.1.0"
 rand = { workspace = true, features = ["getrandom"] }
 getrandom = { version = "0.2", features = ["js"] }
-rand_core = "0.6"
+rand_core = "0.10"
 rand_chacha = "0.3"
 
 [dependencies.hpke]