diff --git a/.changelog/unreleased/testing/3455-ibc-e2e-config.md b/.changelog/unreleased/testing/3455-ibc-e2e-config.md
new file mode 100644
index 00000000000..4b591ec1c47
--- /dev/null
+++ b/.changelog/unreleased/testing/3455-ibc-e2e-config.md
@@ -0,0 +1,2 @@
+- Change the IBC E2E testing config
+  ([\#3455](https://github.com/anoma/namada/issues/3455))
\ No newline at end of file
diff --git a/.github/workflows/scripts/e2e.json b/.github/workflows/scripts/e2e.json
index 361141270fe..8c4011cddee 100644
--- a/.github/workflows/scripts/e2e.json
+++ b/.github/workflows/scripts/e2e.json
@@ -1,11 +1,11 @@
 {
     "e2e::eth_bridge_tests::everything": 4,
-    "e2e::ibc_tests::run_ledger_ibc": 155,
-    "e2e::ibc_tests::run_ledger_ibc_with_hermes": 130,
-    "e2e::ibc_tests::pgf_over_ibc_with_hermes": 240,
-    "e2e::ibc_tests::proposal_ibc_token_inflation": 600,
-    "e2e::ibc_tests::ibc_rate_limit": 500,
-    "e2e::ibc_tests::ibc_namada_gaia": 450,
+    "e2e::ibc_tests::run_ledger_ibc": 110,
+    "e2e::ibc_tests::run_ledger_ibc_with_hermes": 230,
+    "e2e::ibc_tests::pgf_over_ibc_with_hermes": 810,
+    "e2e::ibc_tests::proposal_ibc_token_inflation": 1100,
+    "e2e::ibc_tests::ibc_rate_limit": 430,
+    "e2e::ibc_tests::ibc_namada_gaia": 180,
     "e2e::eth_bridge_tests::test_add_to_bridge_pool": 10,
     "e2e::ledger_tests::double_signing_gets_slashed": 12,
     "e2e::ledger_tests::ledger_many_txs_in_a_block": 55,
diff --git a/crates/tests/src/e2e/helpers.rs b/crates/tests/src/e2e/helpers.rs
index e5723d580ae..9bf317bb9de 100644
--- a/crates/tests/src/e2e/helpers.rs
+++ b/crates/tests/src/e2e/helpers.rs
@@ -537,8 +537,8 @@ pub fn make_hermes_config(test_a: &Test, test_b: &Test) -> Result<()> {
 
     let mut packets = toml::map::Map::new();
     packets.insert("enabled".to_owned(), Value::Boolean(true));
-    packets.insert("clear_interval".to_owned(), Value::Integer(10));
-    packets.insert("clear_on_start".to_owned(), Value::Boolean(false));
+    packets.insert("clear_interval".to_owned(), Value::Integer(30));
+    packets.insert("clear_on_start".to_owned(), Value::Boolean(true));
     packets.insert("tx_confirmation".to_owned(), Value::Boolean(true));
     mode.insert("packets".to_owned(), Value::Table(packets));
 
@@ -614,12 +614,14 @@ fn make_hermes_chain_config(test: &Test) -> Value {
     );
     chain.insert("store_prefix".to_owned(), Value::String("ibc".to_owned()));
     let mut table = toml::map::Map::new();
-    table.insert("price".to_owned(), Value::Float(0.001));
+    table.insert("price".to_owned(), Value::Float(0.000001));
     std::env::set_var(ENV_VAR_CHAIN_ID, test.net.chain_id.to_string());
     let nam_addr = find_address(test, setup::constants::NAM).unwrap();
     table.insert("denom".to_owned(), Value::String(nam_addr.to_string()));
     chain.insert("gas_price".to_owned(), Value::Table(table));
 
+    chain.insert("max_block_time".to_owned(), Value::String("60s".to_owned()));
+
     Value::Table(chain)
 }
 
diff --git a/crates/tests/src/e2e/ibc_tests.rs b/crates/tests/src/e2e/ibc_tests.rs
index c1781b62955..5fcb0c82ca0 100644
--- a/crates/tests/src/e2e/ibc_tests.rs
+++ b/crates/tests/src/e2e/ibc_tests.rs
@@ -955,7 +955,7 @@ fn create_channel_with_hermes(
         "--yes",
     ];
 
-    let mut hermes = run_hermes_cmd(test_a, args, Some(120))?;
+    let mut hermes = run_hermes_cmd(test_a, args, Some(240))?;
     let (channel_id_a, channel_id_b) =
         get_channel_ids_from_hermes_output(&mut hermes)?;
     hermes.assert_success();