diff --git a/docker/dockerfiles/bridges_zombienet_tests_injected.Dockerfile b/docker/dockerfiles/bridges_zombienet_tests_injected.Dockerfile
index 196ba861f503..e17952ccee80 100644
--- a/docker/dockerfiles/bridges_zombienet_tests_injected.Dockerfile
+++ b/docker/dockerfiles/bridges_zombienet_tests_injected.Dockerfile
@@ -1,7 +1,7 @@
 # this image is built on top of existing Zombienet image
 ARG ZOMBIENET_IMAGE
 # this image uses substrate-relay image built elsewhere
-ARG SUBSTRATE_RELAY_IMAGE=docker.io/paritytech/substrate-relay:v1.5.0
+ARG SUBSTRATE_RELAY_IMAGE=docker.io/paritytech/substrate-relay:v1.6.4
 
 # metadata
 ARG VCS_REF