diff --git a/Cargo.lock b/Cargo.lock
index b2621cdbd..53ea21a4a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1911,7 +1911,7 @@ dependencies = [
  "hex-literal",
  "lazy_static",
  "rand",
- "rand_core 0.6.4",
+ "rand_core 0.9.0",
  "rsa",
  "sha1",
  "sha2",
diff --git a/x509-ocsp/Cargo.toml b/x509-ocsp/Cargo.toml
index 4072a1364..e549571a5 100644
--- a/x509-ocsp/Cargo.toml
+++ b/x509-ocsp/Cargo.toml
@@ -23,7 +23,7 @@ x509-cert = { version = "=0.3.0-pre.0", default-features = false }
 
 # Optional
 digest = { version = "=0.11.0-pre.9", optional = true, default-features = false, features = ["oid"] }
-rand_core = { version = "0.6.4", optional = true, default-features = false }
+rand_core = { version = "0.9.0", optional = true, default-features = false }
 signature = { version = "=2.3.0-pre.4", optional = true, default-features = false, features = ["digest", "rand_core"] }
 
 [dev-dependencies]