diff --git a/Cargo.toml b/Cargo.toml
index cc60b72..6dfa700 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -131,7 +131,8 @@ rag-pdf = ["dep:pdf-extract"]
 [profile.release]
 opt-level = "z"      # Optimize for size
 lto = "thin"         # Lower memory use during release builds
-codegen-units = 8     # Faster, lower-RAM codegen for small devices
+codegen-units = 1    # Serialized codegen for low-memory devices (e.g., Raspberry Pi 3 with 1GB RAM)
+                     # Higher values (e.g., 8) compile faster but require more RAM during compilation
 strip = true          # Remove debug symbols
 panic = "abort"      # Reduce binary size