diff --git a/Cargo.toml b/Cargo.toml
index 6f4a276..e2ef93c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,14 +39,12 @@ rev = "1aacefb335517f85d0de858231e11055d9768cdf"
 # Configure the build for minimal size - AVRs have very little program memory
 [profile.dev]
 panic = "abort"
-lto = true
 opt-level = "s"
 
 [profile.release]
 panic = "abort"
 codegen-units = 1
 debug = true
-lto = true
 opt-level = "s"
 {%- comment %}
 # vim: ft=toml.jinja2
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 1cb8aee..788a2fc 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "nightly-2022-06-13"
+channel = "nightly-2022-07-10"
 components = ["rust-src"]
 profile = "minimal"