diff --git a/packages/fetchai/skills/erc1155_client/skill.yaml b/packages/fetchai/skills/erc1155_client/skill.yaml
index 7f8af98207..8acef4c775 100644
--- a/packages/fetchai/skills/erc1155_client/skill.yaml
+++ b/packages/fetchai/skills/erc1155_client/skill.yaml
@@ -21,7 +21,7 @@ fingerprint:
   tests/test_strategy.py: bafybeicbxie3v6vue3gcnru6vsvggcgy3shxwrldis5gppizbuhooslcqa
 fingerprint_ignore_patterns: []
 connections:
-- valory/ledger:0.19.0:bafybeif6bbaccwq3oji62dhfhjiwvaucmnkhs4ytpbfn37vdz52aca7f2a
+- valory/ledger:0.19.0:bafybeihynkdraqthjtv74qk3nc5r2xubniqx2hhzpxn7bd4qmlf7q4wruq
 contracts:
 - fetchai/erc1155:0.22.0:bafybeiff7a6xncyad53o2r7lekpnhexcspze6ocy55xtpzqeuacnlpunm4
 protocols:
diff --git a/packages/fetchai/skills/erc1155_deploy/skill.yaml b/packages/fetchai/skills/erc1155_deploy/skill.yaml
index cfed271d4b..cc216289aa 100644
--- a/packages/fetchai/skills/erc1155_deploy/skill.yaml
+++ b/packages/fetchai/skills/erc1155_deploy/skill.yaml
@@ -21,7 +21,7 @@ fingerprint:
   tests/test_strategy.py: bafybeigxtw2j2c7vl6xhdwos62jbtmx62xfgdyadptm5eewmkesmcooyea
 fingerprint_ignore_patterns: []
 connections:
-- valory/ledger:0.19.0:bafybeif6bbaccwq3oji62dhfhjiwvaucmnkhs4ytpbfn37vdz52aca7f2a
+- valory/ledger:0.19.0:bafybeihynkdraqthjtv74qk3nc5r2xubniqx2hhzpxn7bd4qmlf7q4wruq
 contracts:
 - fetchai/erc1155:0.22.0:bafybeiff7a6xncyad53o2r7lekpnhexcspze6ocy55xtpzqeuacnlpunm4
 protocols:
diff --git a/packages/fetchai/skills/generic_buyer/skill.yaml b/packages/fetchai/skills/generic_buyer/skill.yaml
index ede8cd62b7..e3afca86a3 100644
--- a/packages/fetchai/skills/generic_buyer/skill.yaml
+++ b/packages/fetchai/skills/generic_buyer/skill.yaml
@@ -19,7 +19,7 @@ fingerprint:
   tests/test_models.py: bafybeibh72j3n72yseqvmpppucpu5wtidf6ebxbxkfnmrnlh4zv5y5apei
 fingerprint_ignore_patterns: []
 connections:
-- valory/ledger:0.19.0:bafybeif6bbaccwq3oji62dhfhjiwvaucmnkhs4ytpbfn37vdz52aca7f2a
+- valory/ledger:0.19.0:bafybeihynkdraqthjtv74qk3nc5r2xubniqx2hhzpxn7bd4qmlf7q4wruq
 contracts: []
 protocols:
 - fetchai/default:1.0.0:bafybeihdvtmnz7fzy7kwi3wlo6rfl27f6q3g5entplgvq7y23i3v5uoz24
diff --git a/packages/fetchai/skills/generic_seller/skill.yaml b/packages/fetchai/skills/generic_seller/skill.yaml
index a4d2c9b6f4..145836c628 100644
--- a/packages/fetchai/skills/generic_seller/skill.yaml
+++ b/packages/fetchai/skills/generic_seller/skill.yaml
@@ -20,7 +20,7 @@ fingerprint:
   tests/test_models.py: bafybeihabrc22zqssit3fmqhxptosy6qz6mx65ukhf5iayvirfv42xrhoq
 fingerprint_ignore_patterns: []
 connections:
-- valory/ledger:0.19.0:bafybeif6bbaccwq3oji62dhfhjiwvaucmnkhs4ytpbfn37vdz52aca7f2a
+- valory/ledger:0.19.0:bafybeihynkdraqthjtv74qk3nc5r2xubniqx2hhzpxn7bd4qmlf7q4wruq
 contracts: []
 protocols:
 - fetchai/default:1.0.0:bafybeihdvtmnz7fzy7kwi3wlo6rfl27f6q3g5entplgvq7y23i3v5uoz24
diff --git a/packages/packages.json b/packages/packages.json
index df84a6c35f..d02b9a7bf4 100644
--- a/packages/packages.json
+++ b/packages/packages.json
@@ -14,7 +14,7 @@
         "contract/fetchai/erc1155/0.22.0": "bafybeiff7a6xncyad53o2r7lekpnhexcspze6ocy55xtpzqeuacnlpunm4",
         "connection/fetchai/gym/0.19.0": "bafybeicqqvl4tt3qbulnkoffciagmfd6p3hxxi3i2mrrqtnbycv757pn6y",
         "connection/fetchai/stub/0.21.0": "bafybeibybboiwgklfiqpkkcw6rwj65s5jalzfzf6mh6fstxdlt6habzwvy",
-        "connection/valory/ledger/0.19.0": "bafybeif6bbaccwq3oji62dhfhjiwvaucmnkhs4ytpbfn37vdz52aca7f2a",
+        "connection/valory/ledger/0.19.0": "bafybeihynkdraqthjtv74qk3nc5r2xubniqx2hhzpxn7bd4qmlf7q4wruq",
         "connection/valory/http_server/0.22.0": "bafybeihpgu56ovmq4npazdbh6y6ru5i7zuv6wvdglpxavsckyih56smu7m",
         "connection/valory/p2p_libp2p/0.1.0": "bafybeic2u7azbwjny2nhaltqnbohlvysx3x6ectzbege7sxwrbzcz4lcma",
         "connection/valory/p2p_libp2p_client/0.1.0": "bafybeid3xg5k2ol5adflqloy75ibgljmol6xsvzvezebsg7oudxeeolz7e",
@@ -26,12 +26,12 @@
         "skill/fetchai/error_test_skill/0.1.0": "bafybeihsbtlpe7h6fsvoxban5rilkmwviwkokul5cqym6atoolirontiyu",
         "skill/fetchai/gym/0.20.0": "bafybeie7y2fsxfuhsqxqcaluo5exskmrm5q3a6e2hfcskcuvzvxjjhijh4",
         "skill/fetchai/http_echo/0.20.0": "bafybeicfiri2juaqh3azeit3z3rf44kgxdo6oj4lgxjgvnowq6m7j47qrm",
-        "skill/fetchai/erc1155_client/0.28.0": "bafybeif2rgiy326diox2ofr7m6jkcyxbts3n3cj6tyttkh73ticvyxwiuq",
-        "skill/fetchai/erc1155_deploy/0.30.0": "bafybeibmaea4xexrr44mhzdcdqabtkv2wywa2jhfz3gaauxkkmgs7rz7wu",
+        "skill/fetchai/erc1155_client/0.28.0": "bafybeihwk56assrj5xpu5dvyyajw7dgnk65eq2n3idd5pinxp5vortd6wi",
+        "skill/fetchai/erc1155_deploy/0.30.0": "bafybeiewhczeyrrml6shrd5dr556uwqt54aiwrol2fyqtx2n4ymgfbc6mu",
         "skill/fetchai/error/0.17.0": "bafybeicboomvykqhel3otyv4qg5t3hzpo6kmn5bk4ljluithhuieu7flsm",
         "skill/fetchai/fipa_dummy_buyer/0.2.0": "bafybeidgso7lo5ay44mbxsp3lxilrgeek3ye44e6wus2ayq6kyxfvc3vjm",
-        "skill/fetchai/generic_buyer/0.26.0": "bafybeiekultp4sg2n6hxgkegpqorp2dnqjtiouen32owwslv3uwtu4vtjy",
-        "skill/fetchai/generic_seller/0.27.0": "bafybeif6z7j43sxp7f66yadoat5kydeszg4ghz3bp42fda7ycm5iv7fwai",
+        "skill/fetchai/generic_buyer/0.26.0": "bafybeif5q4xb45m5l2h6pikgqdieko4iojna5mou7byub5voajcxwxruo4",
+        "skill/fetchai/generic_seller/0.27.0": "bafybeie3dhsbasxhtkvpakxml6eyccqqpmog3kynyrl5khyrnw6hjjpdj4",
         "skill/fetchai/task_test_skill/0.1.0": "bafybeidv77u2xl52mnxakwvh7fuh46aiwfpteyof4eaptfd4agoi6cdble",
         "agent/fetchai/error_test/0.1.0": "bafybeiecm675ndzbh35jkejtxn4ughoutztltjhgwzfbp57okabedjmnpq",
         "agent/fetchai/gym_aea/0.25.0": "bafybeibzn3qomqmkaksgpd3gn6aijffvvw7rojswhoytiovohuc737fvfm",
diff --git a/packages/valory/connections/ledger/connection.yaml b/packages/valory/connections/ledger/connection.yaml
index 44b070f378..4e6177994f 100644
--- a/packages/valory/connections/ledger/connection.yaml
+++ b/packages/valory/connections/ledger/connection.yaml
@@ -128,7 +128,7 @@ config:
     polygon:
       address: http://127.0.0.1:8545
       chain_id: 137
-      default_gas_price_strategy: eip1559
+      default_gas_price_strategy: eip1559_polygon
       gas_price_strategies: *id001
       is_gas_estimation_enabled: true
       poa_chain: false