diff --git a/Cargo.toml b/Cargo.toml
index 3f7de4c..f46e5bf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,3 +7,16 @@ members = [
   "rln-wasm",
   "utils",
 ]
+
+# Compilation profile for any non-workspace member.
+# Dependencies are optimized, even in a dev build. This improves dev performance
+# while having neglible impact on incremental build times.
+[profile.dev.package."*"]
+opt-level = 3
+
+[profile.release.package."rln-wasm"]
+# Tell `rustc` to optimize for small code size.
+opt-level = "s"
+
+[profile.release.package."semaphore"]
+codegen-units = 1
\ No newline at end of file
diff --git a/rln-wasm/Cargo.toml b/rln-wasm/Cargo.toml
index 4aa6dc3..6b61812 100644
--- a/rln-wasm/Cargo.toml
+++ b/rln-wasm/Cargo.toml
@@ -31,6 +31,3 @@ console_error_panic_hook = { version = "0.1.7", optional = true }
 wasm-bindgen-test = "0.3.13"
 wasm-bindgen-futures = "0.4.33"
 
-[profile.release]
-# Tell `rustc` to optimize for small code size.
-opt-level = "s"
diff --git a/semaphore/Cargo.toml b/semaphore/Cargo.toml
index 9f06fed..58104a4 100644
--- a/semaphore/Cargo.toml
+++ b/semaphore/Cargo.toml
@@ -47,4 +47,4 @@ opt-level = 3
 # Dependencies are optimized, even in a dev build. This improves dev performance
 # while having neglible impact on incremental build times.
 [profile.dev.package."*"]
-opt-level = 3
+opt-level = 3
\ No newline at end of file