diff --git a/.github/assets/kurtosis_op_network_params.yaml b/.github/assets/kurtosis_op_network_params.yaml
index 540ecac639..a26be73a29 100644
--- a/.github/assets/kurtosis_op_network_params.yaml
+++ b/.github/assets/kurtosis_op_network_params.yaml
@@ -19,12 +19,19 @@ ethereum_package:
       }'
 optimism_package:
   chains:
-    - participants:
-      - el_type: op-geth
-        cl_type: op-node
-      - el_type: op-reth
-        cl_type: op-node
-        el_image: "ghcr.io/paradigmxyz/op-reth:kurtosis-ci"
+    chain0:
+      participants:
+        node0:
+          el:
+            type: op-geth
+          cl:
+            type: op-node
+        node1:
+          el:
+            type: op-reth
+            image: "ghcr.io/paradigmxyz/op-reth:kurtosis-ci"
+          cl:
+            type: op-node
       network_params:
         holocene_time_offset: 0
         isthmus_time_offset: 0
diff --git a/.github/workflows/kurtosis-op.yml b/.github/workflows/kurtosis-op.yml
index 0ccc0f55bd..0e08d1641d 100644
--- a/.github/workflows/kurtosis-op.yml
+++ b/.github/workflows/kurtosis-op.yml
@@ -62,12 +62,10 @@ jobs:
           sudo apt update
           sudo apt install kurtosis-cli
           kurtosis engine start
-          # TODO: unpin optimism-package when https://github.com/ethpandaops/optimism-package/issues/340 is fixed
-          # kurtosis run --enclave op-devnet github.com/ethpandaops/optimism-package --args-file .github/assets/kurtosis_op_network_params.yaml
-          kurtosis run --enclave op-devnet github.com/ethpandaops/optimism-package@452133367b693e3ba22214a6615c86c60a1efd5e --args-file .github/assets/kurtosis_op_network_params.yaml
+          kurtosis run --enclave op-devnet github.com/ethpandaops/optimism-package --args-file .github/assets/kurtosis_op_network_params.yaml
           ENCLAVE_ID=$(curl http://127.0.0.1:9779/api/enclaves | jq --raw-output 'keys[0]')
-          GETH_PORT=$(curl "http://127.0.0.1:9779/api/enclaves/$ENCLAVE_ID/services" | jq '."op-el-2151908-1-op-geth-op-node-op-kurtosis".public_ports.rpc.number')
-          RETH_PORT=$(curl "http://127.0.0.1:9779/api/enclaves/$ENCLAVE_ID/services" | jq '."op-el-2151908-2-op-reth-op-node-op-kurtosis".public_ports.rpc.number')
+          GETH_PORT=$(curl "http://127.0.0.1:9779/api/enclaves/$ENCLAVE_ID/services" | jq '."op-el-2151908-node0-op-geth".public_ports.rpc.number')
+          RETH_PORT=$(curl "http://127.0.0.1:9779/api/enclaves/$ENCLAVE_ID/services" | jq '."op-el-2151908-node1-op-reth".public_ports.rpc.number')
           echo "GETH_RPC=http://127.0.0.1:$GETH_PORT" >> $GITHUB_ENV
           echo "RETH_RPC=http://127.0.0.1:$RETH_PORT" >> $GITHUB_ENV