diff --git a/app/data/container-build/cerc-fixturenet-eth-lighthouse/Dockerfile b/app/data/container-build/cerc-fixturenet-eth-lighthouse/Dockerfile
index 2295262d..958d2b39 100644
--- a/app/data/container-build/cerc-fixturenet-eth-lighthouse/Dockerfile
+++ b/app/data/container-build/cerc-fixturenet-eth-lighthouse/Dockerfile
@@ -1,4 +1,4 @@
-FROM sigp/lcli:v3.2.1 AS lcli
+FROM sigp/lcli:v4.1.0 AS lcli
 FROM skylenet/ethereum-genesis-generator@sha256:210353ce7c898686bc5092f16c61220a76d357f51eff9c451e9ad1b9ad03d4d3 AS ethgen
 FROM cerc/fixturenet-eth-geth:local AS fnetgeth
 
diff --git a/app/data/container-build/cerc-lighthouse/Dockerfile b/app/data/container-build/cerc-lighthouse/Dockerfile
index 7d4fe5d8..cab3af06 100644
--- a/app/data/container-build/cerc-lighthouse/Dockerfile
+++ b/app/data/container-build/cerc-lighthouse/Dockerfile
@@ -1,4 +1,4 @@
-FROM sigp/lighthouse:v4.0.1-modern
+FROM sigp/lighthouse:v4.1.0-modern
 
 RUN apt-get update; apt-get install bash netcat curl less jq -y;