diff --git a/docs/index.md b/docs/index.md
index e4b3a307..a135c3ec 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -31,7 +31,7 @@ In order to run a local demo service based on the IEKit:
 2. Fetch the IEKit.
 
     ```bash
-    autonomy fetch valory/impact_evaluator:0.1.0:bafybeihp7m4dgtqgte55lonmr5gp3dl4xcbkm2zyydi2jpvh2qttvt3n6e --service
+    autonomy fetch valory/impact_evaluator:0.1.0:bafybeidbt6znzxtiwybc3u6354wnlyt6hdah5pmki4ttmcrl6uakntvaey --service
     ```
 
 3. Build the Docker image of the service agents
diff --git a/packages/packages.json b/packages/packages.json
index 5616f9c2..fb84417a 100644
--- a/packages/packages.json
+++ b/packages/packages.json
@@ -30,7 +30,7 @@
         "skill/valory/staking_abci/0.1.0": "bafybeidgmviq6inwwjachktoeddmyuo7iyg7yfyhvhvy3znndkvuuudllq",
         "agent/valory/impact_evaluator/0.1.0": "bafybeibovzkwdrttlcpleqesolaai5ehckoznddwcolul4h3regnzbp4yq",
         "agent/valory/farcaster_test/0.1.0": "bafybeiefui6dnhhy5leqyvfrbkeleb64gap5tzctkrzzggjf4ubbxamjvy",
-        "service/valory/impact_evaluator/0.1.0": "bafybeihp7m4dgtqgte55lonmr5gp3dl4xcbkm2zyydi2jpvh2qttvt3n6e",
+        "service/valory/impact_evaluator/0.1.0": "bafybeidbt6znzxtiwybc3u6354wnlyt6hdah5pmki4ttmcrl6uakntvaey",
         "service/valory/impact_evaluator_local/0.1.0": "bafybeic5yj3fkyggtygozpotfeqdd2i5rr55txko7g2aszkfwa56jc67v4"
     },
     "third_party": {
diff --git a/packages/valory/services/impact_evaluator/service.yaml b/packages/valory/services/impact_evaluator/service.yaml
index 3d23a5dc..422cf427 100644
--- a/packages/valory/services/impact_evaluator/service.yaml
+++ b/packages/valory/services/impact_evaluator/service.yaml
@@ -229,13 +229,7 @@ extra:
         mech_chain_id: ${MECH_CHAIN_ID:str:gnosis}
         mech_interaction_sleep_time: ${MECH_INTERACTION_SLEEP_TIME:int:10}
         use_mech_marketplace: ${USE_MECH_MARKETPLACE:bool:false}
-        mech_marketplace_config:
-          mech_marketplace_address: ${MECH_MARKETPLACE_ADDRESS:str:0x0000000000000000000000000000000000000000}
-          priority_mech_address: ${PRIORITY_MECH_ADDRESS:str:0x0000000000000000000000000000000000000000}
-          priority_mech_staking_instance_address: ${PRIORITY_MECH_STAKING_INSTANCE_ADDRESS:str:0x0000000000000000000000000000000000000000}
-          priority_mech_service_id: ${PRIORITY_MECH_SERVICE_ID:int:0}
-          requester_staking_instance_address: ${REQUESTER_STAKING_INSTANCE_ADDRESS:str:0x0000000000000000000000000000000000000000}
-          response_timeout: ${RESPONSE_TIMEOUT:int:300}
+        mech_marketplace_config: ${MECH_MARKETPLACE_CONFIG:dict:{"mech_marketplace_address":"0x0000000000000000000000000000000000000000","priority_mech_address":"0x0000000000000000000000000000000000000000","priority_mech_staking_instance_address":"0x0000000000000000000000000000000000000000","priority_mech_service_id":0,"requester_staking_instance_address":"0x0000000000000000000000000000000000000000","response_timeout":300}}
         checkpoint_threshold_minutes: ${CHECKPOINT_THRESHOLD_MINUTES:int:600}
         staking_activity_threshold: ${STAKING_ACTIVITY_THRESHOLD:int:5}
         staking_contract_addresses: ${STAKING_CONTRACT_ADDRESSES:list:["0x95146Adf659f455f300D7521B3b62A3b6c4aBA1F","0x2C8a5aC7B431ce04a037747519BA475884BCe2Fb","0x708E511d5fcB3bd5a5d42F42aA9a69EC5B0Ee2E8"]}
@@ -331,13 +325,7 @@ extra:
         mech_chain_id: ${MECH_CHAIN_ID:str:gnosis}
         mech_interaction_sleep_time: ${MECH_INTERACTION_SLEEP_TIME:int:10}
         use_mech_marketplace: ${USE_MECH_MARKETPLACE:bool:false}
-        mech_marketplace_config:
-          mech_marketplace_address: ${MECH_MARKETPLACE_ADDRESS:str:0x0000000000000000000000000000000000000000}
-          priority_mech_address: ${PRIORITY_MECH_ADDRESS:str:0x0000000000000000000000000000000000000000}
-          priority_mech_staking_instance_address: ${PRIORITY_MECH_STAKING_INSTANCE_ADDRESS:str:0x0000000000000000000000000000000000000000}
-          priority_mech_service_id: ${PRIORITY_MECH_SERVICE_ID:int:0}
-          requester_staking_instance_address: ${REQUESTER_STAKING_INSTANCE_ADDRESS:str:0x0000000000000000000000000000000000000000}
-          response_timeout: ${RESPONSE_TIMEOUT:int:300}
+        mech_marketplace_config: ${MECH_MARKETPLACE_CONFIG:dict:{"mech_marketplace_address":"0x0000000000000000000000000000000000000000","priority_mech_address":"0x0000000000000000000000000000000000000000","priority_mech_staking_instance_address":"0x0000000000000000000000000000000000000000","priority_mech_service_id":0,"requester_staking_instance_address":"0x0000000000000000000000000000000000000000","response_timeout":300}}
         checkpoint_threshold_minutes: ${CHECKPOINT_THRESHOLD_MINUTES:int:600}
         staking_activity_threshold: ${STAKING_ACTIVITY_THRESHOLD:int:5}
         staking_contract_addresses: ${STAKING_CONTRACT_ADDRESSES:list:["0x95146Adf659f455f300D7521B3b62A3b6c4aBA1F","0x2C8a5aC7B431ce04a037747519BA475884BCe2Fb","0x708E511d5fcB3bd5a5d42F42aA9a69EC5B0Ee2E8"]}
@@ -437,13 +425,7 @@ extra:
         mech_chain_id: ${MECH_CHAIN_ID:str:gnosis}
         mech_interaction_sleep_time: ${MECH_INTERACTION_SLEEP_TIME:int:10}
         use_mech_marketplace: ${USE_MECH_MARKETPLACE:bool:false}
-        mech_marketplace_config:
-          mech_marketplace_address: ${MECH_MARKETPLACE_ADDRESS:str:0x0000000000000000000000000000000000000000}
-          priority_mech_address: ${PRIORITY_MECH_ADDRESS:str:0x0000000000000000000000000000000000000000}
-          priority_mech_staking_instance_address: ${PRIORITY_MECH_STAKING_INSTANCE_ADDRESS:str:0x0000000000000000000000000000000000000000}
-          priority_mech_service_id: ${PRIORITY_MECH_SERVICE_ID:int:0}
-          requester_staking_instance_address: ${REQUESTER_STAKING_INSTANCE_ADDRESS:str:0x0000000000000000000000000000000000000000}
-          response_timeout: ${RESPONSE_TIMEOUT:int:300}
+        mech_marketplace_config: ${MECH_MARKETPLACE_CONFIG:dict:{"mech_marketplace_address":"0x0000000000000000000000000000000000000000","priority_mech_address":"0x0000000000000000000000000000000000000000","priority_mech_staking_instance_address":"0x0000000000000000000000000000000000000000","priority_mech_service_id":0,"requester_staking_instance_address":"0x0000000000000000000000000000000000000000","response_timeout":300}}
         checkpoint_threshold_minutes: ${CHECKPOINT_THRESHOLD_MINUTES:int:600}
         staking_activity_threshold: ${STAKING_ACTIVITY_THRESHOLD:int:5}
         staking_contract_addresses: ${STAKING_CONTRACT_ADDRESSES:list:["0x95146Adf659f455f300D7521B3b62A3b6c4aBA1F","0x2C8a5aC7B431ce04a037747519BA475884BCe2Fb","0x708E511d5fcB3bd5a5d42F42aA9a69EC5B0Ee2E8"]}
@@ -483,7 +465,20 @@ config:
       chain_id: ${GNOSIS_LEDGER_CHAIN_ID:int:100}
       poa_chain: ${GNOSIS_LEDGER_IS_POA_CHAIN:bool:false}
       default_gas_price_strategy: ${GNOSIS_LEDGER_PRICING:str:eip1559}
-      gas_price_strategies: *id001
+      gas_price_strategies:
+        gas_station:
+          gas_price_api_key: null
+          gas_price_strategy: fast
+        eip1559:
+          max_gas_fast: 1500
+          fee_history_blocks: 10
+          fee_history_percentile: 5
+          default_priority_fee: ${DEFAULT_PRIORITY_FEE_GNOSIS:int:1000000000}
+          fallback_estimate:
+            maxFeePerGas: 20000000000
+            maxPriorityFeePerGas: 3000000000
+            baseFee: null
+          priority_fee_increase_boundary: 200
     base:
       address: ${BASE_LEDGER_RPC:str:http://host.docker.internal:8545}
       chain_id: ${BASE_LEDGER_CHAIN_ID:int:8453}