diff --git a/docs/index.md b/docs/index.md
index 08d0a8d1..4742b357 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:bafybeigz7q7fjqurxtjxr4v5fq3o5s5yan2cybrmldspuasfftqj5t24wu --service
+    autonomy fetch valory/impact_evaluator:0.1.0:bafybeiga7dds4ziyl45k2h2vqvseap6nb37ujzdgw2v52hovvhoo2nevyq --service
     ```
 
 3. Build the Docker image of the service agents
diff --git a/packages/packages.json b/packages/packages.json
index 29fddaa6..3d46fc7b 100644
--- a/packages/packages.json
+++ b/packages/packages.json
@@ -16,19 +16,19 @@
         "skill/valory/twitter_scoring_abci/0.1.0": "bafybeid6arrh4wc37h6tfmp2vjilulyjnmsfyap5afyht34czysxk3z47m",
         "skill/valory/ceramic_read_abci/0.1.0": "bafybeicegat7fpjabsvmwcoyxytfdl2wzcyclw34mrhh4z4il46xnlgy2a",
         "skill/valory/ceramic_write_abci/0.1.0": "bafybeicvlhgywrcyyjsqha2phvlyy4e46zhesoweoipg77vugc5emz2u3y",
-        "skill/valory/impact_evaluator_abci/0.1.0": "bafybeia6n3qrzr7o4golltcumgmcckhl4lutbwxjyyn4wr42wccdok6aye",
+        "skill/valory/impact_evaluator_abci/0.1.0": "bafybeigooizf2zpawxcb5snleb7z63w646icr4k3j4fbncktckhjkyhluq",
         "skill/valory/generic_scoring_abci/0.1.0": "bafybeiapwdfso7uj3mhzd454shq7hxcmudeeyso4kf2wazkl4hethvy7my",
         "skill/valory/twitter_write_abci/0.1.0": "bafybeibueafmd276nbdo6po3hcstgdfuzxqqtc63xcjbk32w6xhbztrnyi",
         "skill/valory/llm_abci/0.1.0": "bafybeifx5zfna6skozmwspujhwmqhsbkvkyv54a6ub76evlsmcjy4cpowu",
         "skill/valory/decision_making_abci/0.1.0": "bafybeie3dqtrmorglvglkxnwajvqspk3f3zymyxzvwiqt237rfsslzyg7a",
         "skill/valory/olas_week_abci/0.1.0": "bafybeia3th3ptdjgouwl7zzv6q4av2nggoptnkcwdxgvtrogmjuh6647f4",
-        "skill/valory/mech_interact_abci/0.1.0": "bafybeieemsqlorshzgagcevh3u5tym5e2basny6qozfeoutv5sg2a56kg4",
+        "skill/valory/mech_interact_abci/0.1.0": "bafybeifciuxsl2lwnm2zv45cmuxgcqdp2exvoy7tfxd622mxzabav4wxja",
         "skill/valory/farcaster_write_abci/0.1.0": "bafybeiedh35s6ustfatrjhot4sl43mo2uv35i2xlwbkgkcuke7cdkq3tji",
         "skill/valory/farcaster_test_abci/0.1.0": "bafybeidbaynwlhnmncnxvx6i5l3lni42rhwqilazutyfixmqhh34busggq",
-        "agent/valory/impact_evaluator/0.1.0": "bafybeifnei5owxyeuiifny2yzemq3zcyv3obsuomxxmsgcfhtxodrrblkq",
+        "agent/valory/impact_evaluator/0.1.0": "bafybeicbd53mcxvn2barpwkklmlef4iasz466sywsre2ts3qqwha25hhom",
         "agent/valory/farcaster_test/0.1.0": "bafybeiaysqbnmkduehefjdfclkymurmnvb2twgvw3okczxdo35ucsy2yte",
-        "service/valory/impact_evaluator/0.1.0": "bafybeigz7q7fjqurxtjxr4v5fq3o5s5yan2cybrmldspuasfftqj5t24wu",
-        "service/valory/impact_evaluator_local/0.1.0": "bafybeic3ulvherfvfmas43vzdk7q2v4dv42ahekaplbncpn4vk36trgl6a"
+        "service/valory/impact_evaluator/0.1.0": "bafybeiga7dds4ziyl45k2h2vqvseap6nb37ujzdgw2v52hovvhoo2nevyq",
+        "service/valory/impact_evaluator_local/0.1.0": "bafybeibz5osq3e3nklho4pdmwdethq3zeo5yis7io4bxdwubxnu3uevhaq"
     },
     "third_party": {
         "protocol/open_aea/signing/1.0.0": "bafybeihv62fim3wl2bayavfcg3u5e5cxu3b7brtu4cn5xoxd6lqwachasi",
diff --git a/packages/valory/agents/impact_evaluator/aea-config.yaml b/packages/valory/agents/impact_evaluator/aea-config.yaml
index 3e5e4eb2..e2373876 100644
--- a/packages/valory/agents/impact_evaluator/aea-config.yaml
+++ b/packages/valory/agents/impact_evaluator/aea-config.yaml
@@ -43,7 +43,7 @@ protocols:
 skills:
 - valory/abstract_abci:0.1.0:bafybeiedikuvfpdx7xhyrxcpp6ywi2d6qf6uqvlwmhgcal7qhw5duicvym
 - valory/abstract_round_abci:0.1.0:bafybeia7msuvsouwcky263k6lup5hwcj73pka4pepkgyii6sya2wfawqvy
-- valory/impact_evaluator_abci:0.1.0:bafybeia6n3qrzr7o4golltcumgmcckhl4lutbwxjyyn4wr42wccdok6aye
+- valory/impact_evaluator_abci:0.1.0:bafybeigooizf2zpawxcb5snleb7z63w646icr4k3j4fbncktckhjkyhluq
 - valory/generic_scoring_abci:0.1.0:bafybeiapwdfso7uj3mhzd454shq7hxcmudeeyso4kf2wazkl4hethvy7my
 - valory/twitter_scoring_abci:0.1.0:bafybeid6arrh4wc37h6tfmp2vjilulyjnmsfyap5afyht34czysxk3z47m
 - valory/ceramic_read_abci:0.1.0:bafybeicegat7fpjabsvmwcoyxytfdl2wzcyclw34mrhh4z4il46xnlgy2a
@@ -57,7 +57,7 @@ skills:
 - valory/decision_making_abci:0.1.0:bafybeie3dqtrmorglvglkxnwajvqspk3f3zymyxzvwiqt237rfsslzyg7a
 - valory/llm_abci:0.1.0:bafybeifx5zfna6skozmwspujhwmqhsbkvkyv54a6ub76evlsmcjy4cpowu
 - valory/olas_week_abci:0.1.0:bafybeia3th3ptdjgouwl7zzv6q4av2nggoptnkcwdxgvtrogmjuh6647f4
-- valory/mech_interact_abci:0.1.0:bafybeieemsqlorshzgagcevh3u5tym5e2basny6qozfeoutv5sg2a56kg4
+- valory/mech_interact_abci:0.1.0:bafybeifciuxsl2lwnm2zv45cmuxgcqdp2exvoy7tfxd622mxzabav4wxja
 default_ledger: ethereum
 required_ledgers:
 - ethereum
diff --git a/packages/valory/services/impact_evaluator/service.yaml b/packages/valory/services/impact_evaluator/service.yaml
index 7806c229..6c322c8d 100644
--- a/packages/valory/services/impact_evaluator/service.yaml
+++ b/packages/valory/services/impact_evaluator/service.yaml
@@ -8,7 +8,7 @@ license: Apache-2.0
 fingerprint:
   README.md: bafybeign56hilwuoa6bgos3uqabss4gew4vadkik7vhj3ucpqw6nxtqtpe
 fingerprint_ignore_patterns: []
-agent: valory/impact_evaluator:0.1.0:bafybeifnei5owxyeuiifny2yzemq3zcyv3obsuomxxmsgcfhtxodrrblkq
+agent: valory/impact_evaluator:0.1.0:bafybeicbd53mcxvn2barpwkklmlef4iasz466sywsre2ts3qqwha25hhom
 number_of_agents: 4
 deployment:
   agent:
diff --git a/packages/valory/services/impact_evaluator_local/service.yaml b/packages/valory/services/impact_evaluator_local/service.yaml
index 24356a71..a4f347ee 100644
--- a/packages/valory/services/impact_evaluator_local/service.yaml
+++ b/packages/valory/services/impact_evaluator_local/service.yaml
@@ -8,7 +8,7 @@ license: Apache-2.0
 fingerprint:
   README.md: bafybeign56hilwuoa6bgos3uqabss4gew4vadkik7vhj3ucpqw6nxtqtpe
 fingerprint_ignore_patterns: []
-agent: valory/impact_evaluator:0.1.0:bafybeifnei5owxyeuiifny2yzemq3zcyv3obsuomxxmsgcfhtxodrrblkq
+agent: valory/impact_evaluator:0.1.0:bafybeicbd53mcxvn2barpwkklmlef4iasz466sywsre2ts3qqwha25hhom
 number_of_agents: 1
 deployment:
   agent:
diff --git a/packages/valory/skills/impact_evaluator_abci/skill.yaml b/packages/valory/skills/impact_evaluator_abci/skill.yaml
index 062e5b5c..9608b546 100644
--- a/packages/valory/skills/impact_evaluator_abci/skill.yaml
+++ b/packages/valory/skills/impact_evaluator_abci/skill.yaml
@@ -37,7 +37,7 @@ skills:
 - valory/llm_abci:0.1.0:bafybeifx5zfna6skozmwspujhwmqhsbkvkyv54a6ub76evlsmcjy4cpowu
 - valory/twitter_write_abci:0.1.0:bafybeibueafmd276nbdo6po3hcstgdfuzxqqtc63xcjbk32w6xhbztrnyi
 - valory/olas_week_abci:0.1.0:bafybeia3th3ptdjgouwl7zzv6q4av2nggoptnkcwdxgvtrogmjuh6647f4
-- valory/mech_interact_abci:0.1.0:bafybeieemsqlorshzgagcevh3u5tym5e2basny6qozfeoutv5sg2a56kg4
+- valory/mech_interact_abci:0.1.0:bafybeifciuxsl2lwnm2zv45cmuxgcqdp2exvoy7tfxd622mxzabav4wxja
 behaviours:
   main:
     args: {}
diff --git a/packages/valory/skills/mech_interact_abci/behaviours/request.py b/packages/valory/skills/mech_interact_abci/behaviours/request.py
index aa3870c3..835a882a 100644
--- a/packages/valory/skills/mech_interact_abci/behaviours/request.py
+++ b/packages/valory/skills/mech_interact_abci/behaviours/request.py
@@ -199,6 +199,7 @@ def _get_wrapped_native_balance(
             contract_id=str(ERC20.contract_id),
             contract_callable="check_balance",
             account=account,
+            chain_id=self.params.mech_chain_id,
         )
         if response_msg.performative != ContractApiMessage.Performative.RAW_TRANSACTION:
             self.context.logger.error(
@@ -248,6 +249,7 @@ def _build_unwrap_tokens_tx(self) -> WaitableConditionType:
             contract_id=str(ERC20.contract_id),
             contract_callable="build_withdraw_tx",
             amount=amount,
+            chain_id=self.params.mech_chain_id,
         )
 
         if response_msg.performative != ContractApiMessage.Performative.STATE:
diff --git a/packages/valory/skills/mech_interact_abci/skill.yaml b/packages/valory/skills/mech_interact_abci/skill.yaml
index 31dff010..e5bceaaf 100644
--- a/packages/valory/skills/mech_interact_abci/skill.yaml
+++ b/packages/valory/skills/mech_interact_abci/skill.yaml
@@ -10,7 +10,7 @@ fingerprint:
   __init__.py: bafybeidf3nlv5fpvfy4libtscayhirdw64shgmhfmvjiftjmjkmhu7auxq
   behaviours/__init__.py: bafybeie3zsi6p3yanz5mqwpkdrcgywaqvkit3hdintsb4awnvalgxpxa4i
   behaviours/base.py: bafybeiac7bdwweyorjdqrss5n6fwigf6lvlwdlongplkndi53jjkcijaba
-  behaviours/request.py: bafybeige7yjjrjun6atkfi2kjec7y3cll56ziwjdoz36tx25kjeyc2cboi
+  behaviours/request.py: bafybeif7vblinuep3va2li46wzpnnbbejqzhjmmkit7qzzjvg3woqhnupy
   behaviours/response.py: bafybeigquse6twwelumj346kt4nptyxwlkyfcrlnws5tggwle5aghh4uxu
   behaviours/round_behaviour.py: bafybeib33inrpyzzlx7k7i3okkslsx4p46dgdaww2m5k7rno57o5nndage
   dialogues.py: bafybeigjmyzd2bx6mgqiet2c223k6wkc5jk7kdkstbhpaxlqxatey26tlm