diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b7ea88e..6f6f56f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -27,6 +27,9 @@ variables:
       - cargohome
       - target/
     key: "build_cache-$TARGET-release"
+  variables:
+    CARGO_PROFILE_RELEASE_LTO=true
+    CARGO_PROFILE_RELEASE_CODEGEN_UNITS=1
   before_script:
     - 'echo "Building for target $TARGET"'
     - 'mkdir -p cargohome && CARGOHOME="cargohome"'
diff --git a/Cargo.toml b/Cargo.toml
index d28e0b7..f80763e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -124,16 +124,15 @@ lto = 'thin'
 incremental = true
 
 [profile.release]
-lto = true
+lto = 'thin'
 incremental = true
-codegen-units = 1
+
+codegen-units=32
 # If you want to make flamegraphs, enable debug info:
 # debug = true
 
 # For releases also try to max optimizations for dependencies:
 [profile.release.build-override]
 opt-level = 3
-codegen-units = 1
 [profile.release.package."*"]
 opt-level = 3
-codegen-units = 1