diff --git a/script/bootstrap b/script/bootstrap
index 15f2f8d..77cc9ca 100755
--- a/script/bootstrap
+++ b/script/bootstrap
@@ -1,7 +1,7 @@
 #!/bin/bash -ex
 
-# We intend that the arch sub-repo should be the only dependency.
-go get -v -u golang.org/x/arch
+# We intend that the x86 arch sub-repo should be the only dependency.
+go get -v -u golang.org/x/arch/x86/...
 
 # Install golangci-lint
 golangci_lint_version='v1.12.3'