diff --git a/.github/workflows/local-testnet.yml b/.github/workflows/local-testnet.yml
index bcade948d79..534046e9278 100644
--- a/.github/workflows/local-testnet.yml
+++ b/.github/workflows/local-testnet.yml
@@ -38,10 +38,10 @@ jobs:
 
       - name: Install dependencies
         run: |
-          sudo add-apt-repository ppa:rmescandon/yq
           echo "deb [trusted=yes] https://apt.fury.io/kurtosis-tech/ /" | sudo tee /etc/apt/sources.list.d/kurtosis.list
           sudo apt update
-          sudo apt install -y kurtosis-cli yq
+          sudo snap install yq
+          sudo apt install -y kurtosis-cli
           kurtosis analytics disable
 
       - name: Download Docker image artifact
@@ -69,6 +69,14 @@ jobs:
         run: ./stop_local_testnet.sh local-blinded
         working-directory: scripts/local_testnet
 
+      - name: Start a local testnet and run assertoor tests
+        uses: ethpandaops/kurtosis-assertoor-github-action@v1
+        with:
+          ethereum_package_args: scripts/tests/assertoor_network_params.yaml
+          path: |
+            scripts/local_testnet/logs
+          retention-days: 3
+
       - name: Upload logs artifact
         uses: actions/upload-artifact@v4
         with:
@@ -85,10 +93,10 @@ jobs:
 
       - name: Install dependencies
         run: |
-          sudo add-apt-repository ppa:rmescandon/yq
           echo "deb [trusted=yes] https://apt.fury.io/kurtosis-tech/ /" | sudo tee /etc/apt/sources.list.d/kurtosis.list
           sudo apt update
-          sudo apt install -y kurtosis-cli yq
+          sudo snap install yq
+          sudo apt install -y kurtosis-cli
           kurtosis analytics disable
 
       - name: Download Docker image artifact
@@ -121,10 +129,10 @@ jobs:
 
       - name: Install dependencies
         run: |
-          sudo add-apt-repository ppa:rmescandon/yq
           echo "deb [trusted=yes] https://apt.fury.io/kurtosis-tech/ /" | sudo tee /etc/apt/sources.list.d/kurtosis.list
           sudo apt update
-          sudo apt install -y kurtosis-cli yq
+          sudo snap install yq
+          sudo apt install -y kurtosis-cli
           kurtosis analytics disable
 
       - name: Download Docker image artifact
diff --git a/scripts/tests/assertoor_network_params.yaml b/scripts/tests/assertoor_network_params.yaml
new file mode 100644
index 00000000000..50d212411c7
--- /dev/null
+++ b/scripts/tests/assertoor_network_params.yaml
@@ -0,0 +1,23 @@
+# Full configuration reference [here](https://github.com/ethpandaops/ethereum-package?tab=readme-ov-file#configuration).
+participants:
+  - el_type: geth
+    el_image: ethereum/client-go:latest
+    cl_type: lighthouse
+    cl_image: lighthouse:local
+    cl_extra_params:
+      - --target-peers=3
+    count: 4
+network_params:
+  deneb_fork_epoch: 0
+  seconds_per_slot: 6
+  num_validator_keys_per_node: 20
+global_log_level: debug
+snooper_enabled: false
+additional_services: 
+  - assertoor
+assertoor_params:
+  run_stability_check: true
+  run_block_proposal_check: true
+  run_blob_transaction_test: true
+  tests:
+    - https://raw.githubusercontent.com/ethpandaops/assertoor-test/master/assertoor-tests/big-calldata-tx-test.yaml
\ No newline at end of file