diff --git a/.circleci/config.yml b/.circleci/config.yml
index 67b99229f6..313af493b3 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,7 +3,7 @@ version: 2.1
 parameters:
   run_flaky_tests:
     type: boolean
-    default: false
+    default: true
 orbs:
   browser-tools: circleci/browser-tools@1.4.4
   win: circleci/windows@5.0
@@ -784,7 +784,7 @@ workflows:
               script: ["flaky.sh"]
               job: ["nogroup"]
               jobsize: ["1"]
-              parallelism: [1]
+              parallelism: [5]
   build_all:
     unless: << pipeline.parameters.run_flaky_tests >>
     jobs:
diff --git a/apps/remix-ide-e2e/src/tests/transactionExecution.test.ts b/apps/remix-ide-e2e/src/tests/transactionExecution.test.ts
index 5cbdd41f5b..d12c133bf9 100644
--- a/apps/remix-ide-e2e/src/tests/transactionExecution.test.ts
+++ b/apps/remix-ide-e2e/src/tests/transactionExecution.test.ts
@@ -236,7 +236,7 @@ module.exports = {
         })
   },
 
-  'Should switch to the mainnet VM fork and execute a tx to query ENS #group5': function (browser: NightwatchBrowser) {
+  'Should switch to the mainnet VM fork and execute a tx to query ENS #flaky #group5': function (browser: NightwatchBrowser) {
     let addressRef
     browser
       .addFile('mainnet_ens.sol', sources[7]['mainnet_ens.sol'])