diff --git a/test/Dockerfile.distro b/test/Dockerfile.distro
index 39f361b072..3881edd3ef 100644
--- a/test/Dockerfile.distro
+++ b/test/Dockerfile.distro
@@ -57,7 +57,7 @@ RUN install-tool dart 3.8.1
 RUN install-tool devbox 0.14.2
 
 # renovate: datasource=github-releases packageName=moby/moby
-RUN install-tool docker v28.1.1
+RUN install-tool docker v28.3.0
 
 # renovate: datasource=dotnet packageName=dotnet-sdk
 RUN install-tool dotnet 8.0.411
diff --git a/test/latest/Dockerfile b/test/latest/Dockerfile
index d657552ac8..7ef1a8ba2c 100644
--- a/test/latest/Dockerfile
+++ b/test/latest/Dockerfile
@@ -191,7 +191,7 @@ RUN install-tool powershell v7.5.2
 RUN install-tool node 22.16.0
 
 # renovate: datasource=github-releases packageName=moby/moby
-RUN install-tool docker v28.1.1
+RUN install-tool docker v28.3.0
 
 #--------------------------------------
 # test: bin path has 777
diff --git a/test/latest/Dockerfile.arm64 b/test/latest/Dockerfile.arm64
index 3565f4658e..2df3f6cd84 100644
--- a/test/latest/Dockerfile.arm64
+++ b/test/latest/Dockerfile.arm64
@@ -70,7 +70,7 @@ RUN install-tool gleam 1.10.0
 FROM base AS test-docker
 
 # renovate: datasource=github-releases packageName=moby/moby
-RUN install-tool docker v28.1.1
+RUN install-tool docker v28.3.0
 
 #--------------------------------------
 # Image: git