diff --git a/27-rc/cli/Dockerfile b/27-rc/cli/Dockerfile
index b0c55285d..081d211cf 100644
--- a/27-rc/cli/Dockerfile
+++ b/27-rc/cli/Dockerfile
@@ -23,23 +23,23 @@ RUN [ -e /etc/nsswitch.conf ] && grep '^hosts: files dns' /etc/nsswitch.conf
 RUN set -eux; \
 	addgroup -g 2375 -S docker
 
-ENV DOCKER_VERSION 27.4.0-rc.3
+ENV DOCKER_VERSION 27.4.0-rc.4
 
 RUN set -eux; \
 	\
 	apkArch="$(apk --print-arch)"; \
 	case "$apkArch" in \
 		'x86_64') \
-			url='https://download.docker.com/linux/static/test/x86_64/docker-27.4.0-rc.3.tgz'; \
+			url='https://download.docker.com/linux/static/test/x86_64/docker-27.4.0-rc.4.tgz'; \
 			;; \
 		'armhf') \
-			url='https://download.docker.com/linux/static/test/armel/docker-27.4.0-rc.3.tgz'; \
+			url='https://download.docker.com/linux/static/test/armel/docker-27.4.0-rc.4.tgz'; \
 			;; \
 		'armv7') \
-			url='https://download.docker.com/linux/static/test/armhf/docker-27.4.0-rc.3.tgz'; \
+			url='https://download.docker.com/linux/static/test/armhf/docker-27.4.0-rc.4.tgz'; \
 			;; \
 		'aarch64') \
-			url='https://download.docker.com/linux/static/test/aarch64/docker-27.4.0-rc.3.tgz'; \
+			url='https://download.docker.com/linux/static/test/aarch64/docker-27.4.0-rc.4.tgz'; \
 			;; \
 		*) echo >&2 "error: unsupported 'docker.tgz' architecture ($apkArch)"; exit 1 ;; \
 	esac; \
diff --git a/27-rc/dind-rootless/Dockerfile b/27-rc/dind-rootless/Dockerfile
index 140784e74..699605377 100644
--- a/27-rc/dind-rootless/Dockerfile
+++ b/27-rc/dind-rootless/Dockerfile
@@ -24,10 +24,10 @@ RUN set -eux; \
 	apkArch="$(apk --print-arch)"; \
 	case "$apkArch" in \
 		'x86_64') \
-			url='https://download.docker.com/linux/static/test/x86_64/docker-rootless-extras-27.4.0-rc.3.tgz'; \
+			url='https://download.docker.com/linux/static/test/x86_64/docker-rootless-extras-27.4.0-rc.4.tgz'; \
 			;; \
 		'aarch64') \
-			url='https://download.docker.com/linux/static/test/aarch64/docker-rootless-extras-27.4.0-rc.3.tgz'; \
+			url='https://download.docker.com/linux/static/test/aarch64/docker-rootless-extras-27.4.0-rc.4.tgz'; \
 			;; \
 		*) echo >&2 "error: unsupported 'rootless.tgz' architecture ($apkArch)"; exit 1 ;; \
 	esac; \
diff --git a/27-rc/dind/Dockerfile b/27-rc/dind/Dockerfile
index 7d70bda4c..df275018b 100644
--- a/27-rc/dind/Dockerfile
+++ b/27-rc/dind/Dockerfile
@@ -61,16 +61,16 @@ RUN set -eux; \
 	apkArch="$(apk --print-arch)"; \
 	case "$apkArch" in \
 		'x86_64') \
-			url='https://download.docker.com/linux/static/test/x86_64/docker-27.4.0-rc.3.tgz'; \
+			url='https://download.docker.com/linux/static/test/x86_64/docker-27.4.0-rc.4.tgz'; \
 			;; \
 		'armhf') \
-			url='https://download.docker.com/linux/static/test/armel/docker-27.4.0-rc.3.tgz'; \
+			url='https://download.docker.com/linux/static/test/armel/docker-27.4.0-rc.4.tgz'; \
 			;; \
 		'armv7') \
-			url='https://download.docker.com/linux/static/test/armhf/docker-27.4.0-rc.3.tgz'; \
+			url='https://download.docker.com/linux/static/test/armhf/docker-27.4.0-rc.4.tgz'; \
 			;; \
 		'aarch64') \
-			url='https://download.docker.com/linux/static/test/aarch64/docker-27.4.0-rc.3.tgz'; \
+			url='https://download.docker.com/linux/static/test/aarch64/docker-27.4.0-rc.4.tgz'; \
 			;; \
 		*) echo >&2 "error: unsupported 'docker.tgz' architecture ($apkArch)"; exit 1 ;; \
 	esac; \
diff --git a/27-rc/windows/windowsservercore-1809/Dockerfile b/27-rc/windows/windowsservercore-1809/Dockerfile
index 0c484d2bb..3d5adcb0f 100644
--- a/27-rc/windows/windowsservercore-1809/Dockerfile
+++ b/27-rc/windows/windowsservercore-1809/Dockerfile
@@ -15,8 +15,8 @@ RUN $newPath = ('{0}\docker;{1}' -f $env:ProgramFiles, $env:PATH); \
 	[Environment]::SetEnvironmentVariable('PATH', $newPath, [EnvironmentVariableTarget]::Machine);
 # doing this first to share cache across versions more aggressively
 
-ENV DOCKER_VERSION 27.4.0-rc.3
-ENV DOCKER_URL https://download.docker.com/win/static/test/x86_64/docker-27.4.0-rc.3.zip
+ENV DOCKER_VERSION 27.4.0-rc.4
+ENV DOCKER_URL https://download.docker.com/win/static/test/x86_64/docker-27.4.0-rc.4.zip
 # TODO ENV DOCKER_SHA256
 # https://github.com/docker/docker-ce/blob/5b073ee2cf564edee5adca05eee574142f7627bb/components/packaging/static/hash_files !!
 # (no SHA file artifacts on download.docker.com yet as of 2017-06-07 though)
diff --git a/27-rc/windows/windowsservercore-ltsc2022/Dockerfile b/27-rc/windows/windowsservercore-ltsc2022/Dockerfile
index 8d70c2843..b03cb915e 100644
--- a/27-rc/windows/windowsservercore-ltsc2022/Dockerfile
+++ b/27-rc/windows/windowsservercore-ltsc2022/Dockerfile
@@ -15,8 +15,8 @@ RUN $newPath = ('{0}\docker;{1}' -f $env:ProgramFiles, $env:PATH); \
 	[Environment]::SetEnvironmentVariable('PATH', $newPath, [EnvironmentVariableTarget]::Machine);
 # doing this first to share cache across versions more aggressively
 
-ENV DOCKER_VERSION 27.4.0-rc.3
-ENV DOCKER_URL https://download.docker.com/win/static/test/x86_64/docker-27.4.0-rc.3.zip
+ENV DOCKER_VERSION 27.4.0-rc.4
+ENV DOCKER_URL https://download.docker.com/win/static/test/x86_64/docker-27.4.0-rc.4.zip
 # TODO ENV DOCKER_SHA256
 # https://github.com/docker/docker-ce/blob/5b073ee2cf564edee5adca05eee574142f7627bb/components/packaging/static/hash_files !!
 # (no SHA file artifacts on download.docker.com yet as of 2017-06-07 though)
diff --git a/versions.json b/versions.json
index 832ff240c..130ebc121 100644
--- a/versions.json
+++ b/versions.json
@@ -162,21 +162,21 @@
   "27-rc": {
     "arches": {
       "amd64": {
-        "dockerUrl": "https://download.docker.com/linux/static/test/x86_64/docker-27.4.0-rc.3.tgz",
-        "rootlessExtrasUrl": "https://download.docker.com/linux/static/test/x86_64/docker-rootless-extras-27.4.0-rc.3.tgz"
+        "dockerUrl": "https://download.docker.com/linux/static/test/x86_64/docker-27.4.0-rc.4.tgz",
+        "rootlessExtrasUrl": "https://download.docker.com/linux/static/test/x86_64/docker-rootless-extras-27.4.0-rc.4.tgz"
       },
       "arm32v6": {
-        "dockerUrl": "https://download.docker.com/linux/static/test/armel/docker-27.4.0-rc.3.tgz"
+        "dockerUrl": "https://download.docker.com/linux/static/test/armel/docker-27.4.0-rc.4.tgz"
       },
       "arm32v7": {
-        "dockerUrl": "https://download.docker.com/linux/static/test/armhf/docker-27.4.0-rc.3.tgz"
+        "dockerUrl": "https://download.docker.com/linux/static/test/armhf/docker-27.4.0-rc.4.tgz"
       },
       "arm64v8": {
-        "dockerUrl": "https://download.docker.com/linux/static/test/aarch64/docker-27.4.0-rc.3.tgz",
-        "rootlessExtrasUrl": "https://download.docker.com/linux/static/test/aarch64/docker-rootless-extras-27.4.0-rc.3.tgz"
+        "dockerUrl": "https://download.docker.com/linux/static/test/aarch64/docker-27.4.0-rc.4.tgz",
+        "rootlessExtrasUrl": "https://download.docker.com/linux/static/test/aarch64/docker-rootless-extras-27.4.0-rc.4.tgz"
       },
       "windows-amd64": {
-        "dockerUrl": "https://download.docker.com/win/static/test/x86_64/docker-27.4.0-rc.3.zip"
+        "dockerUrl": "https://download.docker.com/win/static/test/x86_64/docker-27.4.0-rc.4.zip"
       }
     },
     "buildx": {
@@ -317,6 +317,6 @@
       "windows/windowsservercore-ltsc2022",
       "windows/windowsservercore-1809"
     ],
-    "version": "27.4.0-rc.3"
+    "version": "27.4.0-rc.4"
   }
 }