diff --git a/var/spack/repos/builtin/packages/rust/package.py b/var/spack/repos/builtin/packages/rust/package.py
index 47309cadc24..b719648f330 100644
--- a/var/spack/repos/builtin/packages/rust/package.py
+++ b/var/spack/repos/builtin/packages/rust/package.py
@@ -165,6 +165,9 @@ def configure(self, spec, prefix):
         # Compile tools into flag for configure.
         flags.append(f"--tools={','.join(tools)}")
 
+        # Use vendored resources to perform offline build.
+        flags.append("--enable-vendor")
+
         configure(*flags)
 
     def build(self, spec, prefix):