diff --git a/.github/workflows/ephemeral.yml b/.github/workflows/ephemeral.yml
new file mode 100644
index 0000000000..f999a3f3cf
--- /dev/null
+++ b/.github/workflows/ephemeral.yml
@@ -0,0 +1,50 @@
+name: ephemeral
+
+on:
+  push:
+    branches:
+      - '**'
+    tags:
+      - 'v*.*.*'
+  pull_request:
+    branches:
+      - 'main'
+  workflow_dispatch:
+
+jobs:  
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Clone repo
+      uses: actions/checkout@v2
+    - name: Clone ephemeral-cluster repo
+      uses: actions/checkout@v2
+      with:
+        repository: celestiaorg/ephemeral-cluster
+        path: ephemeral-cluster
+        ref: main
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17
+    - name: "Setup Cluster"
+      run: |
+        cd ephemeral-cluster
+        ./debug-start-cluster.sh 
+    - name: "Test Cluster"
+      run: | 
+        docker ps -a
+        echo "------------- docker logs core0 -------------"
+        docker logs core0
+        echo "------------- docker logs bridge0 -------------"
+        docker logs bridge0
+        echo "------------- docker logs light0 -------------"
+        docker logs light0
+        echo "------------- docker logs dalc0 -------------"
+        docker logs dalc0
+        echo "------------- docker logs evmos0 -------------"
+        docker logs evmos0
+        cd /home/runner/work/ethermint/ethermint
+        MODE=rpc HOST=http://127.0.0.1:8545 go test ./tests/rpc/...
+
diff --git a/go.mod b/go.mod
index 40686389f2..67e7186a1a 100644
--- a/go.mod
+++ b/go.mod
@@ -243,7 +243,6 @@ require (
 
 replace (
 	github.com/99designs/keyring => github.com/cosmos/keyring v1.1.7-0.20210622111912-ef00f8ac3d76
-	// github.com/celestiaorg/optimint => github.com/jbowen93/optimint v0.0.0-20220315020324-912fd8a28a1
 	github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
 	google.golang.org/grpc => google.golang.org/grpc v1.33.2
 )