diff --git a/components/cli/cli/command/stack/swarm/deploy_composefile.go b/components/cli/cli/command/stack/swarm/deploy_composefile.go
index c9d5a3c158..08ea1ef6aa 100644
--- a/components/cli/cli/command/stack/swarm/deploy_composefile.go
+++ b/components/cli/cli/command/stack/swarm/deploy_composefile.go
@@ -248,6 +248,12 @@ func deployServices(
 				// service update.
 				serviceSpec.TaskTemplate.ContainerSpec.Image = service.Spec.TaskTemplate.ContainerSpec.Image
 			}
+
+			// Stack deploy does not have a `--force` option. Preserve existing ForceUpdate
+			// value so that tasks are not re-deployed if not updated.
+			// TODO move this to API client?
+			serviceSpec.TaskTemplate.ForceUpdate = service.Spec.TaskTemplate.ForceUpdate
+
 			response, err := apiClient.ServiceUpdate(
 				ctx,
 				service.ID,
diff --git a/components/cli/cli/command/stack/swarm/deploy_test.go b/components/cli/cli/command/stack/swarm/deploy_test.go
index 3fdbbdbee7..99800b4ae2 100644
--- a/components/cli/cli/command/stack/swarm/deploy_test.go
+++ b/components/cli/cli/command/stack/swarm/deploy_test.go
@@ -27,7 +27,8 @@ func TestPruneServices(t *testing.T) {
 }
 
 // TestServiceUpdateResolveImageChanged tests that the service's
-// image digest is preserved if the image did not change in the compose file
+// image digest, and "ForceUpdate" is preserved if the image did not change in
+// the compose file
 func TestServiceUpdateResolveImageChanged(t *testing.T) {
 	namespace := convert.NewNamespace("mystack")
 
@@ -49,6 +50,7 @@ func TestServiceUpdateResolveImageChanged(t *testing.T) {
 							ContainerSpec: &swarm.ContainerSpec{
 								Image: "foobar:1.2.3@sha256:deadbeef",
 							},
+							ForceUpdate: 123,
 						},
 					},
 				},
@@ -65,18 +67,21 @@ func TestServiceUpdateResolveImageChanged(t *testing.T) {
 		image                 string
 		expectedQueryRegistry bool
 		expectedImage         string
+		expectedForceUpdate   uint64
 	}{
 		// Image not changed
 		{
 			image: "foobar:1.2.3",
 			expectedQueryRegistry: false,
 			expectedImage:         "foobar:1.2.3@sha256:deadbeef",
+			expectedForceUpdate:   123,
 		},
 		// Image changed
 		{
 			image: "foobar:1.2.4",
 			expectedQueryRegistry: true,
 			expectedImage:         "foobar:1.2.4",
+			expectedForceUpdate:   123,
 		},
 	}
 
@@ -95,8 +100,9 @@ func TestServiceUpdateResolveImageChanged(t *testing.T) {
 		}
 		err := deployServices(ctx, client, spec, namespace, false, ResolveImageChanged)
 		assert.NilError(t, err)
-		assert.Check(t, is.Equal(testcase.expectedQueryRegistry, receivedOptions.QueryRegistry))
-		assert.Check(t, is.Equal(testcase.expectedImage, receivedService.TaskTemplate.ContainerSpec.Image))
+		assert.Check(t, is.Equal(receivedOptions.QueryRegistry, testcase.expectedQueryRegistry))
+		assert.Check(t, is.Equal(receivedService.TaskTemplate.ContainerSpec.Image, testcase.expectedImage))
+		assert.Check(t, is.Equal(receivedService.TaskTemplate.ForceUpdate, testcase.expectedForceUpdate))
 
 		receivedService = swarm.ServiceSpec{}
 		receivedOptions = types.ServiceUpdateOptions{}
diff --git a/components/cli/docs/reference/commandline/build.md b/components/cli/docs/reference/commandline/build.md
index 01ab913eca..77c6f4519d 100644
--- a/components/cli/docs/reference/commandline/build.md
+++ b/components/cli/docs/reference/commandline/build.md
@@ -411,13 +411,13 @@ files. The `ARG` instruction lets Dockerfile authors define values that users
 can set at build-time using the  `--build-arg` flag:
 
 ```bash
-$ docker build --build-arg HTTP_PROXY=http://10.20.30.2:1234 .
+$ docker build --build-arg HTTP_PROXY=http://10.20.30.2:1234 --build-arg FTP_PROXY=http://40.50.60.5:4567 .
 ```
 
 This flag allows you to pass the build-time variables that are
 accessed like regular environment variables in the `RUN` instruction of the
 Dockerfile. Also, these values don't persist in the intermediate or final images
-like `ENV` values do.
+like `ENV` values do.   You must add `--build-arg` for each build argument.  
 
 Using this flag will not alter the output you see when the `ARG` lines from the
 Dockerfile are echoed during the build process.