diff --git a/Cargo.lock b/Cargo.lock
index 78f4dd8..17e48e0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -172,7 +172,7 @@ dependencies = [
  "ed25519-dalek",
  "generic-array 1.3.5",
  "hkdf",
- "rand_core",
+ "rand_core 0.6.4",
  "sha2",
  "thiserror",
  "x25519-dalek",
@@ -187,7 +187,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
 dependencies = [
  "generic-array 0.14.7",
- "rand_core",
+ "rand_core 0.6.4",
  "typenum",
 ]
 
@@ -258,8 +258,8 @@ dependencies = [
  "chacha20poly1305",
  "chat-sqlite",
  "hkdf",
- "rand",
- "rand_core",
+ "rand 0.9.3",
+ "rand_core 0.6.4",
  "safer-ffi",
  "serde",
  "storage",
@@ -532,7 +532,7 @@ dependencies = [
  "double-ratchets",
  "hex",
  "prost",
- "rand_core",
+ "rand_core 0.6.4",
  "safer-ffi",
  "storage",
  "tempfile",
@@ -729,8 +729,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
- "rand_chacha",
- "rand_core",
+ "rand_chacha 0.3.1",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ec095654a25171c2124e9e3393a930bddbffdc939556c914957a4c3e0a87166"
+dependencies = [
+ "rand_chacha 0.9.0",
+ "rand_core 0.9.5",
 ]
 
 [[package]]
@@ -740,7 +750,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.9.5",
 ]
 
 [[package]]
@@ -752,6 +772,15 @@ dependencies = [
  "getrandom 0.2.17",
 ]
 
+[[package]]
+name = "rand_core"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76afc826de14238e6e8c374ddcc1fa19e374fd8dd986b0d2af0d02377261d83c"
+dependencies = [
+ "getrandom 0.3.4",
+]
+
 [[package]]
 name = "rusqlite"
 version = "0.35.0"
@@ -897,7 +926,7 @@ version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
 dependencies = [
- "rand_core",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -947,7 +976,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "rand",
+ "rand 0.8.5",
  "syn 1.0.109",
 ]
 
@@ -1171,7 +1200,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c7e468321c81fb07fa7f4c636c3972b9100f0346e5b6a9f2bd0603a52f7ed277"
 dependencies = [
  "curve25519-dalek",
- "rand_core",
+ "rand_core 0.6.4",
  "serde",
  "zeroize",
 ]
@@ -1186,7 +1215,7 @@ dependencies = [
  "derive_more",
  "ed25519",
  "ed25519-dalek",
- "rand",
+ "rand 0.8.5",
  "sha2",
  "x25519-dalek",
  "zeroize",
diff --git a/core/double-ratchets/Cargo.toml b/core/double-ratchets/Cargo.toml
index af51920..747718b 100644
--- a/core/double-ratchets/Cargo.toml
+++ b/core/double-ratchets/Cargo.toml
@@ -14,7 +14,7 @@ required-features = ["headers"]
 x25519-dalek = { version="2.0.1", features=["static_secrets"] }
 chacha20poly1305 = "0.10.1"
 rand_core = "0.6.4"
-rand = "0.8.5"
+rand = "0.9.3"
 hkdf = "0.12.4"
 thiserror = "2"
 blake2 = "0.10.6"