diff --git a/.github/workflows/contract-tests.yml b/.github/workflows/contract-tests.yml
index 4364dfcf..e85eb626 100644
--- a/.github/workflows/contract-tests.yml
+++ b/.github/workflows/contract-tests.yml
@@ -126,7 +126,7 @@ jobs:
           files: ./contracts/coverage.json
           verbose: false
           token: ${{ secrets.CODECOV_TOKEN }}
-  test-4844:
+ test-4844:
     name: 4844 tests
     runs-on: ubuntu-latest
     steps:
@@ -139,14 +139,6 @@ jobs:
         with:
           version: nightly
 
-      - name: Prepare Environment Variables
-        run: |
-          cp .env.sample.goerli .env
-          export $(grep -v '^#' .env | xargs) # Load variables
-          for var in $(grep -v '^#' .env | cut -d= -f1); do
-            echo "$var=${!var}" >> $GITHUB_ENV
-          done
-
       - uses: OffchainLabs/actions/run-nitro-test-node@test-node-args
         with:
           nitro-testnode-ref: deneb-integration
@@ -176,12 +168,15 @@ jobs:
         with:
           submodules: recursive
 
-      - uses: OffchainLabs/actions/run-nitro-test-node@main
+      - uses: EspressoSystems/offchainlabs-actions/run-nitro-test-node@specify-checkout-repo
         with:
           l3-node: true
+          args: --espresso --latest-espresso-image
           no-token-bridge: true
           no-l3-token-bridge: true
           nitro-contracts-branch: '${{ github.event.pull_request.head.sha || github.sha }}'
+          nitro-testnode-ref: integration
+          nitro-testnode-repo: EspressoSystems/nitro-testnode
 
       - name: Setup node/yarn
         uses: actions/setup-node@v3
@@ -190,14 +185,6 @@ jobs:
           cache: 'yarn'
           cache-dependency-path: '**/yarn.lock'
 
-      - name: Prepare Environment Variables
-        run: |
-          cp .env.sample.goerli .env
-          export $(grep -v '^#' .env | xargs) # Load variables
-          for var in $(grep -v '^#' .env | cut -d= -f1); do
-            echo "$var=${!var}" >> $GITHUB_ENV
-          done
-
       - name: Install packages
         run: yarn
 
@@ -214,13 +201,15 @@ jobs:
         with:
           submodules: recursive
 
-      - uses: OffchainLabs/actions/run-nitro-test-node@main
+      - uses: EspressoSystems/offchainlabs-actions/run-nitro-test-node@specify-checkout-repo
         with:
           l3-node: true
-          args: --l3-fee-token
+          args: --l3-fee-token --espresso --latest-espresso-image
           no-token-bridge: true
           no-l3-token-bridge: true
           nitro-contracts-branch: '${{ github.event.pull_request.head.sha || github.sha }}'
+          nitro-testnode-ref: integration
+          nitro-testnode-repo: EspressoSystems/nitro-testnode
 
       - name: Setup node/yarn
         uses: actions/setup-node@v3
@@ -229,13 +218,6 @@ jobs:
           cache: 'yarn'
           cache-dependency-path: '**/yarn.lock'
 
-      - name: Prepare Environment Variables
-        run: |
-          cp .env.sample.goerli .env
-          export $(grep -v '^#' .env | xargs) # Load variables
-          for var in $(grep -v '^#' .env | cut -d= -f1); do
-            echo "$var=${!var}" >> $GITHUB_ENV
-          done
       - name: Install packages
         run: yarn
 
@@ -252,13 +234,15 @@ jobs:
         with:
           submodules: recursive
 
-      - uses: OffchainLabs/actions/run-nitro-test-node@main
+      - uses: EspressoSystems/offchainlabs-actions/run-nitro-test-node@specify-checkout-repo
         with:
           l3-node: true
-          args: --l3-fee-token --l3-fee-token-decimals 6
+          args: --espresso --latest-espresso-image --l3-fee-token --l3-fee-token-decimals 6
           no-token-bridge: true
           no-l3-token-bridge: true
           nitro-contracts-branch: '${{ github.event.pull_request.head.sha || github.sha }}'
+          nitro-testnode-ref: 'integration'
+          nitro-testnode-repo: EspressoSystems/nitro-testnode
 
       - name: Setup node/yarn
         uses: actions/setup-node@v3
@@ -267,14 +251,6 @@ jobs:
           cache: 'yarn'
           cache-dependency-path: '**/yarn.lock'
 
-      - name: Prepare Environment Variables
-        run: |
-          cp .env.sample.goerli .env
-          export $(grep -v '^#' .env | xargs) # Load variables
-          for var in $(grep -v '^#' .env | cut -d= -f1); do
-            echo "$var=${!var}" >> $GITHUB_ENV
-          done
-
       - name: Install packages
         run: yarn
 
@@ -282,4 +258,4 @@ jobs:
         run: yarn build
 
       - name: Run e2e tests
-        run: yarn test:e2e
+        run: yarn test:e2e
\ No newline at end of file