diff --git a/.github/workflows/test-sim.yml b/.github/workflows/test-sim.yml
index 5e64c2673982..6494acc3923d 100644
--- a/.github/workflows/test-sim.yml
+++ b/.github/workflows/test-sim.yml
@@ -15,7 +15,7 @@ on:
       debug:
         description: Runtime DEBUG value
         required: false
-        default: ''
+        default: ""
 
 env:
   GETH_DOCKER_IMAGE: ethereum/client-go:v1.11.6
@@ -56,10 +56,6 @@ jobs:
         run: DEBUG='${{github.event.inputs.debug}}' yarn test:sim:multifork
         working-directory: packages/cli
 
-      - name: Sim tests multi client
-        run: DEBUG='${{github.event.inputs.debug}}' yarn test:sim:multiclient
-        working-directory: packages/cli
-
       - name: Sim tests endpoints
         run: yarn test:sim:endpoints
         working-directory: packages/cli
@@ -72,6 +68,12 @@ jobs:
         run: yarn test:sim:backup_eth_provider
         working-directory: packages/cli
 
+      # Enable these tests after fixing the following issue
+      # https://github.com/ChainSafe/lodestar/issues/5553
+      # - name: Sim tests multi client
+      #   run: DEBUG='${{github.event.inputs.debug}}' yarn test:sim:multiclient
+      #   working-directory: packages/cli
+
       - name: Upload debug log test files for "packages/cli"
         if: ${{ always() }}
         uses: actions/upload-artifact@v3