diff --git a/unix.yaml b/unix.yaml
index 26b18a4..16ed082 100644
--- a/unix.yaml
+++ b/unix.yaml
@@ -11,5 +11,6 @@
     - role: git
     - role: tree
 
+    - role: llvm
     - role: nodejs
     - role: python
diff --git a/windows.yaml b/windows.yaml
index 46140ae..d5a8185 100644
--- a/windows.yaml
+++ b/windows.yaml
@@ -19,6 +19,7 @@
     - role: git
     - role: tree
 
+    - role: llvm
     - role: nodejs
     - role: python