diff --git a/wpilibNewCommands/src/main/native/include/frc2/command/Requirements.h b/wpilibNewCommands/src/main/native/include/frc2/command/Requirements.h
index a6d4f2acf56..13502186d50 100644
--- a/wpilibNewCommands/src/main/native/include/frc2/command/Requirements.h
+++ b/wpilibNewCommands/src/main/native/include/frc2/command/Requirements.h
@@ -31,9 +31,13 @@ class Requirements {
 
   Requirements(const Requirements&) = default;
 
-  auto begin() const { return m_subsystems.begin(); }
+  std::vector<Subsystem*>::const_iterator begin() const {
+    return m_subsystems.begin();
+  }
 
-  auto end() const { return m_subsystems.end(); }
+  std::vector<Subsystem*>::const_iterator end() const {
+    return m_subsystems.end();
+  }
 
  private:
   const std::vector<Subsystem*> m_subsystems{};