diff --git a/.circleci/config.yml b/.circleci/config.yml
index b37a6eb..4748728 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -83,8 +83,7 @@ workflows:
   build:
     jobs:
       - unit-test
-      # Temporarily disabled due to unskipped GSN gas measurement tests
-      # - e2e-zeppelin
+      - e2e-zeppelin
       - e2e-metacoin
       - e2e-metacoin-windows
       - e2e-nomiclabs
diff --git a/package.json b/package.json
index 5898dfa..b055340 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@solidity-parser/parser": "^0.8.1",
+    "@solidity-parser/parser": "^0.10.1",
     "@truffle/provider": "^0.2.24",
     "chalk": "^2.4.2",
     "death": "^1.1.0",
diff --git a/scripts/run-nomiclabs.sh b/scripts/run-nomiclabs.sh
index 1b5eff0..72a42ef 100755
--- a/scripts/run-nomiclabs.sh
+++ b/scripts/run-nomiclabs.sh
@@ -97,33 +97,12 @@ echo ""
 cd ..
 git clone https://github.com/sc-forks/example-buidler-ethers.git
 cd example-buidler-ethers
-npm install --silent
+yarn
 
 # Install and run solidity-coverage @ PR
-npm install --save-dev --silent $PR_PATH
+yarn add $PR_PATH --dev
 cat package.json
 
 npx buidler coverage
 
 verifyCoverageExists
-
-echo ""
-echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
-echo "Complex: MolochDao/moloch           "
-echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
-echo ""
-
-# Install sc-forks/moloch
-cd ..
-git clone https://github.com/sc-forks/moloch.git
-cd moloch
-npm install --silent
-npm uninstall --save-dev --silent solidity-coverage
-
-# Install and run solidity-coverage @ PR
-# Should run on network 'localhost'
-npm install --save-dev --silent $PR_PATH
-npm run coverage
-
-verifyCoverageExists
-
diff --git a/yarn.lock b/yarn.lock
index 70ea2dd..3401653 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -473,6 +473,10 @@
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-0.7.0.tgz#9a06f4f137ee84d7df0460c1fdb1135ffa6c50fd"
 
+"@solidity-parser/parser@^0.10.1":
+  version "0.10.1"
+  resolved "https://registry.yarnpkg.com/@solidity-parser/parser/-/parser-0.10.1.tgz#d3680d1ebebed21eee67f58a41eb92175204f0c7"
+
 "@solidity-parser/parser@^0.5.2":
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/@solidity-parser/parser/-/parser-0.5.2.tgz#4d74670ead39e4f4fdab605a393ba8ea2390a2c4"
@@ -485,10 +489,6 @@
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/@solidity-parser/parser/-/parser-0.8.2.tgz#a6a5e93ac8dca6884a99a532f133beba59b87b69"
 
-"@solidity-parser/parser@^0.8.1":
-  version "0.8.1"
-  resolved "https://registry.yarnpkg.com/@solidity-parser/parser/-/parser-0.8.1.tgz#1b606578af86b9ad10755409804a6ba83f9ce8a4"
-
 "@szmarczak/http-timer@^1.1.2":
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/@szmarczak/http-timer/-/http-timer-1.1.2.tgz#b1665e2c461a2cd92f4c1bbf50d5454de0d4b421"