diff --git a/Cargo.lock b/Cargo.lock
index f3fbe96..d20ea95 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -871,18 +871,8 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ec095654a25171c2124e9e3393a930bddbffdc939556c914957a4c3e0a87166"
 dependencies = [
- "rand_chacha 0.9.0",
- "rand_core 0.9.3",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
-dependencies = [
- "ppv-lite86",
- "rand_core 0.6.4",
+ "rand_chacha",
+ "rand_core",
 ]
 
 [[package]]
@@ -892,15 +882,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.9.3",
+ "rand_core",
 ]
 
-[[package]]
-name = "rand_core"
-version = "0.6.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
-
 [[package]]
 name = "rand_core"
 version = "0.9.3"
@@ -938,7 +922,7 @@ dependencies = [
  "paste",
  "profiling",
  "rand",
- "rand_chacha 0.9.0",
+ "rand_chacha",
  "simd_helpers",
  "thiserror 2.0.17",
  "v_frame",
@@ -1209,7 +1193,7 @@ dependencies = [
  "image",
  "indicatif",
  "rand",
- "rand_chacha 0.3.1",
+ "rand_chacha",
  "rayon",
  "serde",
  "serde_json",
diff --git a/Cargo.toml b/Cargo.toml
index 4cf0e7f..1286381 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 # Random number generation for splits
 rand = "0.9"
-rand_chacha = "0.3"
+rand_chacha = "0.9"
 # File walking
 walkdir = "2.5"
 # Error handling