diff --git a/Cargo.lock b/Cargo.lock
index fcda660..804454b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -414,6 +414,16 @@ dependencies = [
  "rand_core 0.9.3",
 ]
 
+[[package]]
+name = "rand_chacha"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3e6af7f3e25ded52c41df4e0b1af2d047e45896c2f3281792ed68a1c243daedb"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.10.0",
+]
+
 [[package]]
 name = "rand_core"
 version = "0.6.4"
@@ -432,6 +442,12 @@ dependencies = [
  "getrandom 0.3.3",
 ]
 
+[[package]]
+name = "rand_core"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c8d0fd677905edcbeedbf2edb6494d676f0e98d54d5cf9bda0b061cb8fb8aba"
+
 [[package]]
 name = "rand_distr"
 version = "0.4.3"
@@ -506,7 +522,7 @@ dependencies = [
  "itertools",
  "pretty_assertions",
  "rand 0.9.2",
- "rand_chacha 0.9.0",
+ "rand_chacha 0.10.0",
  "rayon",
  "regex",
  "statrs",
diff --git a/Cargo.toml b/Cargo.toml
index fc1ba02..d29a3a2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ regex = "1.12.3"
 
 [dev-dependencies]
 pretty_assertions = "1.4.1"
-rand_chacha = "0.9.0"
+rand_chacha = "0.10.0"
 rayon = "1.11.0"
 statrs = "0.18.0"