diff --git a/packages/valory/connections/p2p_libp2p/connection.yaml b/packages/valory/connections/p2p_libp2p/connection.yaml
index 0372671439..92d10432e2 100644
--- a/packages/valory/connections/p2p_libp2p/connection.yaml
+++ b/packages/valory/connections/p2p_libp2p/connection.yaml
@@ -82,8 +82,8 @@ cert_requests:
 - identifier: acn
   ledger_id: ethereum
   message_format: '{public_key}'
-  not_after: '2025-01-01'
-  not_before: '2024-01-01'
+  not_after: '2026-01-01'
+  not_before: '2025-01-01'
   public_key: cosmos
   save_path: .certs/conn_cert.txt
 excluded_protocols: []
diff --git a/packages/valory/connections/p2p_libp2p/consts.py b/packages/valory/connections/p2p_libp2p/consts.py
index 0e105b2340..5d3e147bc0 100644
--- a/packages/valory/connections/p2p_libp2p/consts.py
+++ b/packages/valory/connections/p2p_libp2p/consts.py
@@ -22,8 +22,8 @@
 import platform
 
 
-LIBP2P_CERT_NOT_BEFORE = "2024-01-01"
-LIBP2P_CERT_NOT_AFTER = "2025-01-01"
+LIBP2P_CERT_NOT_BEFORE = "2025-01-01"
+LIBP2P_CERT_NOT_AFTER = "2026-01-01"
 
 LIBP2P_NODE_MODULE_NAME = "libp2p_node"
 
diff --git a/packages/valory/connections/p2p_libp2p_client/connection.yaml b/packages/valory/connections/p2p_libp2p_client/connection.yaml
index 5058f5969e..dc4f4d7ce6 100644
--- a/packages/valory/connections/p2p_libp2p_client/connection.yaml
+++ b/packages/valory/connections/p2p_libp2p_client/connection.yaml
@@ -30,15 +30,15 @@ cert_requests:
 - identifier: acn
   ledger_id: ethereum
   message_format: '{public_key}'
-  not_after: '2025-01-01'
-  not_before: '2024-01-01'
+  not_after: '2026-01-01'
+  not_before: '2025-01-01'
   public_key: 02d3a830c9d6ea1ae91936951430dee11f4662f33118b02190693be835359a9d77
   save_path: .certs/acn_cosmos_9005.txt
 - identifier: acn
   ledger_id: ethereum
   message_format: '{public_key}'
-  not_after: '2025-01-01'
-  not_before: '2024-01-01'
+  not_after: '2026-01-01'
+  not_before: '2025-01-01'
   public_key: 02e741c62d706e1dcf6986bf37fa74b98681bc32669623ac9ee6ff72488d4f59e8
   save_path: .certs/acn_cosmos_9006.txt
 excluded_protocols: []
diff --git a/packages/valory/connections/p2p_libp2p_mailbox/connection.yaml b/packages/valory/connections/p2p_libp2p_mailbox/connection.yaml
index 2b2257b094..d27066128a 100644
--- a/packages/valory/connections/p2p_libp2p_mailbox/connection.yaml
+++ b/packages/valory/connections/p2p_libp2p_mailbox/connection.yaml
@@ -27,15 +27,15 @@ cert_requests:
 - identifier: acn
   ledger_id: ethereum
   message_format: '{public_key}'
-  not_after: '2025-01-01'
-  not_before: '2024-01-01'
+  not_after: '2026-01-01'
+  not_before: '2025-01-01'
   public_key: 02d3a830c9d6ea1ae91936951430dee11f4662f33118b02190693be835359a9d77
   save_path: .certs/acn_cosmos_9005.txt
 - identifier: acn
   ledger_id: ethereum
   message_format: '{public_key}'
-  not_after: '2025-01-01'
-  not_before: '2024-01-01'
+  not_after: '2026-01-01'
+  not_before: '2025-01-01'
   public_key: 02e741c62d706e1dcf6986bf37fa74b98681bc32669623ac9ee6ff72488d4f59e8
   save_path: .certs/acn_cosmos_9006.txt
 excluded_protocols: []
diff --git a/tests/data/dummy_connection/connection.yaml b/tests/data/dummy_connection/connection.yaml
index 9c4a659769..7ebd6c70c9 100644
--- a/tests/data/dummy_connection/connection.yaml
+++ b/tests/data/dummy_connection/connection.yaml
@@ -31,14 +31,14 @@ cert_requests:
 - identifier: cert_id_1
   ledger_id: some_ledger_id
   message_format: '{public_key}'
-  not_after: '2025-01-01'
-  not_before: '2024-01-01'
+  not_after: '2026-01-01'
+  not_before: '2025-01-01'
   public_key: key_id
   save_path: /source/some/path_1
 - identifier: cert_id_2
   ledger_id: some_ledger_id
   message_format: '{public_key}'
-  not_after: '2025-01-01'
-  not_before: '2024-01-01'
+  not_after: '2026-01-01'
+  not_before: '2025-01-01'
   public_key: '0xABCDEF123456'
   save_path: /source/some/path_2