diff --git a/tests/e2e/docker/hermes.Dockerfile b/tests/e2e/docker/hermes.Dockerfile
index 81d675079f8..97176a7d37b 100644
--- a/tests/e2e/docker/hermes.Dockerfile
+++ b/tests/e2e/docker/hermes.Dockerfile
@@ -1,6 +1,6 @@
-FROM --platform=linux/amd64 informalsystems/hermes:1.4.1 AS hermes-builder
+FROM --platform=linux/amd64 informalsystems/hermes:v1.7.3 AS hermes-builder
 
-FROM debian:buster-slim
+FROM --platform=linux/amd64 debian:buster-slim
 USER root
 
 COPY --from=hermes-builder /usr/bin/hermes /usr/local/bin/
diff --git a/tests/e2e/e2e_setup_test.go b/tests/e2e/e2e_setup_test.go
index 9aa1ef43de7..992526387fa 100644
--- a/tests/e2e/e2e_setup_test.go
+++ b/tests/e2e/e2e_setup_test.go
@@ -4,7 +4,9 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"io"
 	"math/rand"
+	"net/http"
 	"os"
 	"os/exec"
 	"path"
@@ -641,7 +643,7 @@ func (s *IntegrationTestSuite) runIBCRelayer0() {
 		&dockertest.RunOptions{
 			Name:       fmt.Sprintf("%s-%s-relayer-0", s.chainA.id, s.chainB.id),
 			Repository: "ghcr.io/cosmos/hermes-e2e",
-			Tag:        "1.4.1",
+			Tag:        "1.0.0",
 			NetworkID:  s.dkrNet.Network.ID,
 			Mounts: []string{
 				fmt.Sprintf("%s/:/root/hermes", hermesCfgPath),
@@ -669,36 +671,35 @@ func (s *IntegrationTestSuite) runIBCRelayer0() {
 		noRestart,
 	)
 	s.Require().NoError(err)
-	// TODO: fix Hermes container REST endpoint
-	// endpoint := fmt.Sprintf("http://%s/state", s.hermesResource0.GetHostPort("3031/tcp"))
-	// s.Require().Eventually(
-	// 	func() bool {
-	// 		resp, err := http.Get(endpoint) //nolint:gosec // this is a test
-	// 		if err != nil {
-	// 			return false
-	// 		}
-
-	// 		defer resp.Body.Close()
-
-	// 		bz, err := io.ReadAll(resp.Body)
-	// 		if err != nil {
-	// 			return false
-	// 		}
-
-	// 		var respBody map[string]interface{}
-	// 		if err := json.Unmarshal(bz, &respBody); err != nil {
-	// 			return false
-	// 		}
-
-	// 		status := respBody["status"].(string)
-	// 		result := respBody["result"].(map[string]interface{})
-
-	// 		return status == "success" && len(result["chains"].([]interface{})) == 2
-	// 	},
-	// 	5*time.Minute,
-	// 	time.Second,
-	// 	"hermes relayer not healthy",
-	// )
+	endpoint := fmt.Sprintf("http://%s/state", s.hermesResource0.GetHostPort("3031/tcp"))
+	s.Require().Eventually(
+		func() bool {
+			resp, err := http.Get(endpoint) //nolint:gosec // this is a test
+			if err != nil {
+				return false
+			}
+
+			defer resp.Body.Close()
+
+			bz, err := io.ReadAll(resp.Body)
+			if err != nil {
+				return false
+			}
+
+			var respBody map[string]interface{}
+			if err := json.Unmarshal(bz, &respBody); err != nil {
+				return false
+			}
+
+			status := respBody["status"].(string)
+			result := respBody["result"].(map[string]interface{})
+
+			return status == "success" && len(result["chains"].([]interface{})) == 2
+		},
+		5*time.Minute,
+		time.Second,
+		"hermes relayer not healthy",
+	)
 
 	s.T().Logf("started Hermes relayer 0 container: %s", s.hermesResource0.Container.ID)
 
@@ -741,7 +742,7 @@ func (s *IntegrationTestSuite) runIBCRelayer1() {
 		&dockertest.RunOptions{
 			Name:       fmt.Sprintf("%s-%s-relayer-1", s.chainA.id, s.chainB.id),
 			Repository: "ghcr.io/cosmos/hermes-e2e",
-			Tag:        "1.4.1",
+			Tag:        "1.0.0",
 			NetworkID:  s.dkrNet.Network.ID,
 			Mounts: []string{
 				fmt.Sprintf("%s/:/root/hermes", hermesCfgPath),
diff --git a/tests/e2e/scripts/hermes_bootstrap.sh b/tests/e2e/scripts/hermes_bootstrap.sh
index cc360b759bf..8c0db498623 100755
--- a/tests/e2e/scripts/hermes_bootstrap.sh
+++ b/tests/e2e/scripts/hermes_bootstrap.sh
@@ -47,7 +47,7 @@ port = 3001
 id = '$GAIA_A_E2E_CHAIN_ID'
 rpc_addr = 'http://$GAIA_A_E2E_VAL_HOST:26657'
 grpc_addr = 'http://$GAIA_A_E2E_VAL_HOST:9090'
-websocket_addr = 'ws://$GAIA_A_E2E_VAL_HOST:26657/websocket'
+event_source = { mode = "push", url = "ws://$GAIA_A_E2E_VAL_HOST:26657/websocket", batch_delay = "50ms" }
 rpc_timeout = '10s'
 account_prefix = 'cosmos'
 key_name = 'rly01-gaia-a'
@@ -63,7 +63,7 @@ trust_threshold = { numerator = '1', denominator = '3' }
 id = '$GAIA_B_E2E_CHAIN_ID'
 rpc_addr = 'http://$GAIA_B_E2E_VAL_HOST:26657'
 grpc_addr = 'http://$GAIA_B_E2E_VAL_HOST:9090'
-websocket_addr = 'ws://$GAIA_B_E2E_VAL_HOST:26657/websocket'
+event_source = { mode = "push", url = "ws://$GAIA_B_E2E_VAL_HOST:26657/websocket", batch_delay = "50ms" }
 rpc_timeout = '10s'
 account_prefix = 'cosmos'
 key_name = 'rly01-gaia-b'