diff --git a/Cargo.toml b/Cargo.toml
index 5fff40f..6c3beee 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ keywords = ["arm", "cortex-m", "template"]
 license = "MIT OR Apache-2.0"
 name = "cortex-m-quickstart"
 repository = "https://github.com/japaric/cortex-m-quickstart"
-version = "0.2.1"
+version = "0.2.2"
 
 [dependencies]
 cortex-m = "0.3.0"
@@ -16,6 +16,9 @@ cortex-m-semihosting = "0.2.0"
 features = ["abort-on-panic"]
 version = "0.3.3"
 
+[profile.dev]
+codegen-units = 1
+
 [profile.release]
 debug = true
 lto = true