diff --git a/Cargo.lock b/Cargo.lock
index b05b135..0ad6c40 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -700,7 +700,7 @@ dependencies = [
  "nrf-usbd",
  "nrf51-pac",
  "nrf52833-pac",
- "rand_core",
+ "rand_core 0.6.4",
  "void",
 ]
 
@@ -866,7 +866,7 @@ version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
- "rand_core",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -875,13 +875,22 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 
+[[package]]
+name = "rand_core"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b08f3c9802962f7e1b25113931d94f43ed9725bebc59db9d0c3e9a23b67e15ff"
+dependencies = [
+ "zerocopy",
+]
+
 [[package]]
 name = "rand_pcg"
-version = "0.3.1"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59cad018caf63deb318e5a4586d99a24424a364f40f1e5778c29aca23f4fc73e"
+checksum = "b48ac3f7ffaab7fac4d2376632268aa5f89abdb55f7ebf8f4d11fffccb2320f7"
 dependencies = [
- "rand_core",
+ "rand_core 0.9.0",
 ]
 
 [[package]]
@@ -1381,3 +1390,23 @@ dependencies = [
  "cargo_toml",
  "chrono",
 ]
+
+[[package]]
+name = "zerocopy"
+version = "0.8.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a367f292d93d4eab890745e75a778da40909cab4d6ff8173693812f79c4a2468"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3931cb58c62c13adec22e38686b559c86a30565e16ad6e8510a337cedc611e1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.89",
+]
diff --git a/examples/rng-hal/Cargo.toml b/examples/rng-hal/Cargo.toml
index 646e58a..be51d75 100644
--- a/examples/rng-hal/Cargo.toml
+++ b/examples/rng-hal/Cargo.toml
@@ -16,7 +16,7 @@ version = "0.8.5"
 
 [dependencies.rand_pcg]
 default-features = false
-version = "0.3.1"
+version = "0.9.0"
 
 [dependencies.microbit]
 path = "../../microbit"