diff --git a/tool/Cargo.lock b/tool/Cargo.lock
index d0c6ea5..4967ff6 100644
--- a/tool/Cargo.lock
+++ b/tool/Cargo.lock
@@ -1,16 +1,25 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
-name = "redox_hwio"
-version = "0.1.0"
+name = "lazy_static"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "redox_hwio"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "system76_ectool"
 version = "0.1.1"
 dependencies = [
- "redox_hwio 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_hwio 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [metadata]
-"checksum redox_hwio 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9c5c3085fd5054b1f2ad35668f7c60031e6a7cb05d82477f936ac700d24d4477"
+"checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+"checksum redox_hwio 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "847d8b48be152acb4b75dbc37d873ac54899389691f5de3358603c889883b25d"
diff --git a/tool/Cargo.toml b/tool/Cargo.toml
index be775e4..e3ca5e1 100644
--- a/tool/Cargo.toml
+++ b/tool/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "system76_ectool"
-version = "0.1.1"
+version = "0.1.2"
 edition = "2018"
 description = "System76 EC tool"
 license = "MIT"
@@ -11,4 +11,8 @@ repository = "https://github.com/system76/ec"
 name = "ectool"
 
 [dependencies]
-redox_hwio = "0.1"
+redox_hwio = "0.1.1"
+
+[features]
+default = []
+stable = ["redox_hwio/stable"]