diff --git a/Justfile b/Justfile
index 9e35867..1cd75f9 100644
--- a/Justfile
+++ b/Justfile
@@ -42,3 +42,7 @@ gdb:
 nm:
     # Build and print all symbols in the kernel
     cargo make nm
+
+expand:
+    # Run `cargo expand` on modules
+    cargo make expand -- nucleus
diff --git a/nucleus/Makefile.toml b/nucleus/Makefile.toml
index 9246985..6c7c246 100644
--- a/nucleus/Makefile.toml
+++ b/nucleus/Makefile.toml
@@ -7,6 +7,10 @@
 env = { "TARGET_FEATURES" = "" }
 args = ["build", "--target=${TARGET_JSON}", "--release", "--features=${TARGET_FEATURES}"]
 
+[tasks.expand]
+env = { "TARGET_FEATURES" = "" }
+args = ["expand", "--target=${TARGET_JSON}", "--release", "--features=${TARGET_FEATURES}"]
+
 [tasks.test]
 env = { "TARGET_FEATURES" = "${QEMU_FEATURES}" }
 args = ["test", "--target=${TARGET_JSON}", "--features=${TARGET_FEATURES}"]