diff --git a/test/Dockerfile.distro b/test/Dockerfile.distro
index 1c7fad090e..22d34748fd 100644
--- a/test/Dockerfile.distro
+++ b/test/Dockerfile.distro
@@ -139,7 +139,7 @@ FROM build AS test-docker
 RUN install-tool docker v28.5.2
 
 # renovate: datasource=github-releases packageName=docker/buildx
-RUN install-tool buildx v0.32.1
+RUN install-tool buildx v0.33.0
 
 # renovate: datasource=github-releases packageName=docker/compose
 RUN install-tool docker-compose v5.1.1
diff --git a/test/latest/Dockerfile b/test/latest/Dockerfile
index f8806cd87b..b46f2201a4 100644
--- a/test/latest/Dockerfile
+++ b/test/latest/Dockerfile
@@ -337,7 +337,7 @@ USER 12021
 RUN install-tool docker v28.5.2
 
 # renovate: datasource=github-releases packageName=docker/buildx
-RUN install-tool buildx v0.32.1
+RUN install-tool buildx v0.33.0
 
 # renovate: datasource=github-releases packageName=docker/compose
 RUN install-tool docker-compose v5.1.1
diff --git a/test/latest/Dockerfile.arm64 b/test/latest/Dockerfile.arm64
index 7b89de863c..b4adc68025 100644
--- a/test/latest/Dockerfile.arm64
+++ b/test/latest/Dockerfile.arm64
@@ -89,7 +89,7 @@ FROM base AS test-docker
 RUN install-tool docker v28.5.2
 
 # renovate: datasource=github-releases packageName=docker/buildx
-RUN install-tool buildx v0.32.1
+RUN install-tool buildx v0.33.0
 
 # renovate: datasource=github-releases packageName=docker/compose
 RUN install-tool docker-compose v5.1.1