diff --git a/.circleci/config.yml b/.circleci/config.yml
index 5916e9d055..92138bc41f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -151,7 +151,7 @@ build_metrics: &build_metrics
         command: npm install --ignore-scripts
     - run:
         name: Boostrap dependencies
-        command: npx lerna bootstrap --scope @opentelemetry/rca-metrics --include-filtered-dependencies
+        command: npx lerna bootstrap --scope @opentelemetry/rca-metrics --include-filtered-dependencies --ignore-scripts
     - save_cache:
         <<: *cache_1
     - run:
@@ -208,11 +208,8 @@ workflows:
       - node10
       - node12
       - node12-browsers
-      - build-native-stats
-
-#      - build-native-stats:
-#          filters:
-#            branches:
-#              only: master
-#
-
+      - build-native-stats:
+          filters:
+            branches:
+              only:
+                - master
diff --git a/packages/opentelemetry-rca-metrics/.gitignore b/packages/opentelemetry-rca-metrics/.gitignore
index 62dd1ddc07..e69de29bb2 100644
--- a/packages/opentelemetry-rca-metrics/.gitignore
+++ b/packages/opentelemetry-rca-metrics/.gitignore
@@ -1 +0,0 @@
-artifacts/*
diff --git a/packages/opentelemetry-rca-metrics/artifacts/prebuilds.tgz b/packages/opentelemetry-rca-metrics/artifacts/prebuilds.tgz
new file mode 100644
index 0000000000..2d8843cf28
Binary files /dev/null and b/packages/opentelemetry-rca-metrics/artifacts/prebuilds.tgz differ
diff --git a/packages/opentelemetry-rca-metrics/artifacts/prebuilds.tgz.sha1 b/packages/opentelemetry-rca-metrics/artifacts/prebuilds.tgz.sha1
new file mode 100644
index 0000000000..b9d65fb4fa
--- /dev/null
+++ b/packages/opentelemetry-rca-metrics/artifacts/prebuilds.tgz.sha1
@@ -0,0 +1 @@
+15650db2e6cb69f2f7f36a5bbe0896c7398e7d77
\ No newline at end of file
diff --git a/packages/opentelemetry-rca-metrics/scripts/get_prebuilds.js b/packages/opentelemetry-rca-metrics/scripts/get_prebuilds.js
index 81c819ca34..a50925c839 100644
--- a/packages/opentelemetry-rca-metrics/scripts/get_prebuilds.js
+++ b/packages/opentelemetry-rca-metrics/scripts/get_prebuilds.js
@@ -24,9 +24,11 @@ const os = require('os');
 const path = require('path');
 const exec = require('./exec.js');
 
-console.log('Downloading and compiling files for release.');
+const MAIN_FOLDER = path.resolve(__dirname, '..');
+const ARTIFACTS_FOLDER = path.resolve(MAIN_FOLDER, 'artifacts');
+
+console.log('Downloading rca-metrics compiled files for release.');
 
-const TOKEN = process.env.CIRCLE_TOKEN;
 if (!TOKEN) {
   throw new Error(
     [
@@ -69,7 +71,6 @@ getPipeline()
   .then(downloadArtifacts)
   .then(validatePrebuilds)
   .then(copyPrebuilds)
-  .then(bundle)
   .catch(e => {
     process.exitCode = 1;
     console.error(e);
@@ -186,15 +187,14 @@ function validatePrebuilds() {
 }
 
 function copyPrebuilds() {
-  const basename = path.normalize(path.join(__dirname, '..', 'artifacts'));
   const filename = 'prebuilds.tgz';
 
   fs.copyFileSync(
     path.join(os.tmpdir(), filename),
-    path.join(basename, filename)
+    path.join(ARTIFACTS_FOLDER, filename)
+  );
+  fs.copyFileSync(
+    path.join(os.tmpdir(), `${filename}.sha1`),
+    path.join(ARTIFACTS_FOLDER, `${filename}.sha1`)
   );
-}
-
-function bundle() {
-  exec('yarn bundle');
 }