diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 04721e19f299e..75b4afaaaace0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -149,7 +149,7 @@ jobs:
         run: |
           echo "::set-output name=rustc::$(rustc --version)"
       - name: Build Node
-        run: cargo build --release --verbose --all
+        run: RUSTFLAGS="-C opt-level=3" cargo build --release --verbose --all
       # We determine whether there are unmodified Cargo.lock files by:
       # 1. Asking git for a list of all modified files
       # 2. Using grep to reduce the list to only Cargo.lock files
diff --git a/Cargo.toml b/Cargo.toml
index 86a1c0480e129..ba5755c5cea01 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,3 +6,4 @@ members = [
 
 [profile.release]
 panic = 'unwind'
+opt-level = 0