diff --git a/.circleci/config.yml b/.circleci/config.yml
index c50b2617327..2e16e57945e 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -267,6 +267,16 @@ jobs:
           path: /tmp/test-reports
       - store_artifacts:
           path: /tmp/test-artifacts/conformance-coverage.html
+  build-ntwk-calibration:
+    description: |
+      Compile lotus binaries for the calibration network
+    parameters:
+      <<: *test-params
+    executor: << parameters.executor >>
+    steps:
+      - install-deps
+      - prepare
+      - run: make calibnet
   build-lotus-soup:
     description: |
       Compile `lotus-soup` Testground test plan
@@ -618,6 +628,7 @@ workflows:
           test-suite-name: conformance-bleeding-edge
           packages: "./conformance"
           vectors-branch: master
+      - build-ntwk-calibration
       - build-lotus-soup
       - trigger-testplans:
           filters:
diff --git a/build/params_calibnet.go b/build/params_calibnet.go
index a102823dbea..eaadc19ac2a 100644
--- a/build/params_calibnet.go
+++ b/build/params_calibnet.go
@@ -45,7 +45,7 @@ const UpgradeClausHeight = 161386
 const UpgradeOrangeHeight = 250666
 
 // TODO
-var UpgradeActorsV3Height = 99999999
+const UpgradeActorsV3Height = 99999999
 
 func init() {
 	policy.SetConsensusMinerMinPower(abi.NewStoragePower(10 << 30))