diff --git a/src/exercises/bare-metal/rtc/Cargo.lock b/src/exercises/bare-metal/rtc/Cargo.lock
index 17c811c6871b..88c6b18e0ae1 100644
--- a/src/exercises/bare-metal/rtc/Cargo.lock
+++ b/src/exercises/bare-metal/rtc/Cargo.lock
@@ -28,21 +28,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c044ecf8760dd8ee5aa92c49cf7534942d289fb1f0247af92b5fbab8ab18a912"
 dependencies = [
  "bitflags",
- "safe-mmio",
+ "safe-mmio 0.2.7",
  "thiserror",
  "zerocopy",
 ]
 
 [[package]]
 name = "arm-pl011-uart"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b62040eef329ede76c8b2af149362b0fd42ec9d8c436d9eb9d47db35b71cb300"
+checksum = "1b24c708955a2b308f2ef06b78c1e676d69870773f78ccf78aff6ffdd6136d90"
 dependencies = [
  "bitflags",
  "embedded-hal-nb",
  "embedded-io",
- "safe-mmio",
+ "safe-mmio 0.3.0",
  "thiserror",
  "zerocopy",
 ]
@@ -150,7 +150,7 @@ dependencies = [
  "bitflags",
  "chrono",
  "log",
- "safe-mmio",
+ "safe-mmio 0.2.7",
  "smccc",
  "spin",
  "zerocopy",
@@ -165,6 +165,15 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "safe-mmio"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4813ee49326057f105d6d8ca3d8f9265095f26aa7b42094e487028403a594f4c"
+dependencies = [
+ "zerocopy",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
diff --git a/src/exercises/bare-metal/rtc/Cargo.toml b/src/exercises/bare-metal/rtc/Cargo.toml
index dfaf6bc7513c..77ffd51f0745 100644
--- a/src/exercises/bare-metal/rtc/Cargo.toml
+++ b/src/exercises/bare-metal/rtc/Cargo.toml
@@ -10,7 +10,7 @@ publish = false
 aarch64-paging = { version = "0.12.0", default-features = false }
 aarch64-rt = "0.4.3"
 arm-gic = "0.7.2"
-arm-pl011-uart = "0.4.0"
+arm-pl011-uart = "0.5.0"
 bitflags = "2.11.0"
 chrono = { version = "0.4.44", default-features = false }
 log = "0.4.29"