diff --git a/Cargo.toml b/Cargo.toml
index 7bd99fc3a2aea..f8f10dcc0dcb3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -498,7 +498,7 @@ bevy_dylib = { path = "crates/bevy_dylib", version = "0.16.0-dev", default-featu
 
 [dev-dependencies]
 rand = "0.8.0"
-rand_chacha = "0.3.1"
+rand_chacha = "0.9.0"
 ron = "0.8.0"
 flate2 = "1.0"
 serde = { version = "1", features = ["derive"] }
diff --git a/benches/Cargo.toml b/benches/Cargo.toml
index f5faeec237fc3..419aa36abe257 100644
--- a/benches/Cargo.toml
+++ b/benches/Cargo.toml
@@ -31,7 +31,7 @@ bevy_platform_support = { path = "../crates/bevy_platform_support", default-feat
 # Other crates
 glam = "0.29"
 rand = "0.8"
-rand_chacha = "0.3"
+rand_chacha = "0.9"
 
 # Make `bevy_render` compile on Linux with x11 windowing. x11 vs. Wayland does not matter here
 # because the benches do not actually open any windows.
diff --git a/crates/bevy_math/Cargo.toml b/crates/bevy_math/Cargo.toml
index d7e4f83ce6b22..8e57100491114 100644
--- a/crates/bevy_math/Cargo.toml
+++ b/crates/bevy_math/Cargo.toml
@@ -34,7 +34,7 @@ variadics_please = "1.1"
 approx = "0.5"
 # Supply rngs for examples and tests
 rand = "0.8"
-rand_chacha = "0.3"
+rand_chacha = "0.9"
 # Enable the approx feature when testing.
 bevy_math = { path = ".", default-features = false, features = ["approx"] }
 glam = { version = "0.29", default-features = false, features = ["approx"] }