diff --git a/Dockerfile b/Dockerfile
index ce644a71c..41396904f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Container for building Go binary.
-FROM golang:1.26.0-bookworm AS builder
+FROM golang:1.26.1-bookworm AS builder
 # Install dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends build-essential git
 
diff --git a/testutil/compose/static/lighthouse/Dockerfile b/testutil/compose/static/lighthouse/Dockerfile
index aeb886053..37b0113ed 100644
--- a/testutil/compose/static/lighthouse/Dockerfile
+++ b/testutil/compose/static/lighthouse/Dockerfile
@@ -1,4 +1,4 @@
-FROM sigp/lighthouse:v8.0.1
+FROM sigp/lighthouse:v8.1.1
 
 ENV YQ_VERSION=v4.42.1
 
diff --git a/testutil/promrated/Dockerfile b/testutil/promrated/Dockerfile
index 76a109f4f..0768bd588 100644
--- a/testutil/promrated/Dockerfile
+++ b/testutil/promrated/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.26.0-alpine AS builder
+FROM golang:1.26.1-alpine AS builder
 
 # Install dependencies
 RUN apk add --no-cache build-base git