diff --git a/Cargo.toml b/Cargo.toml
index 05c639d..9d29cda 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -74,7 +74,7 @@ incremental = false
 lto = 'fat'
 # opt level needs to be benchmarked after every major feature
 # due to the changes in binary size and alignment
-opt-level = 2
+opt-level = 1
 overflow-checks = false
 
 # do not optimize proc-macro crates = faster builds from scratch