diff --git a/stdlib/docker/docker.cue b/stdlib/docker/docker.cue
index d61c8b7b..814e68e9 100644
--- a/stdlib/docker/docker.cue
+++ b/stdlib/docker/docker.cue
@@ -10,9 +10,14 @@ import (
 #Build: {
 	source: dagger.#Input & {dagger.#Artifact}
 
+	args?: [string]: string
+
 	#up: [
 		op.#DockerBuild & {
 			context: source
+			if args != _|_ {
+				buildArg: args
+			}
 		},
 	]