diff --git a/wpilibNewCommands/src/main/native/cpp/frc2/command/SequentialCommandGroup.cpp b/wpilibNewCommands/src/main/native/cpp/frc2/command/SequentialCommandGroup.cpp
index c7f409bfa6..345a415786 100644
--- a/wpilibNewCommands/src/main/native/cpp/frc2/command/SequentialCommandGroup.cpp
+++ b/wpilibNewCommands/src/main/native/cpp/frc2/command/SequentialCommandGroup.cpp
@@ -76,7 +76,7 @@ void SequentialCommandGroup::AddCommands(
 }
 
 SequentialCommandGroup SequentialCommandGroup::BeforeStarting(
-    std::function<void()> toRun, wpi::ArrayRef<Subsystem*> requirements) && {
+    std::function<void()> toRun, wpi::span<Subsystem* const> requirements) && {
   // store all the commands
   std::vector<std::unique_ptr<Command>> tmp;
   tmp.emplace_back(
@@ -97,7 +97,7 @@ SequentialCommandGroup SequentialCommandGroup::BeforeStarting(
 }
 
 SequentialCommandGroup SequentialCommandGroup::AndThen(
-    std::function<void()> toRun, wpi::ArrayRef<Subsystem*> requirements) && {
+    std::function<void()> toRun, wpi::span<Subsystem* const> requirements) && {
   std::vector<std::unique_ptr<Command>> tmp;
   tmp.emplace_back(
       std::make_unique<InstantCommand>(std::move(toRun), requirements));
diff --git a/wpilibNewCommands/src/main/native/include/frc2/command/SequentialCommandGroup.h b/wpilibNewCommands/src/main/native/include/frc2/command/SequentialCommandGroup.h
index 144f98d86a..d80c07b5f2 100644
--- a/wpilibNewCommands/src/main/native/include/frc2/command/SequentialCommandGroup.h
+++ b/wpilibNewCommands/src/main/native/include/frc2/command/SequentialCommandGroup.h
@@ -15,6 +15,8 @@
 #include <utility>
 #include <vector>
 
+#include <wpi/span.h>
+
 #include "frc2/command/CommandGroupBase.h"
 #include "frc2/command/CommandHelper.h"
 
@@ -86,11 +88,12 @@ class SequentialCommandGroup
 
   SequentialCommandGroup BeforeStarting(
       std::function<void()> toRun,
-      wpi::ArrayRef<Subsystem*> requirements = {}) &&
+      wpi::span<Subsystem* const> requirements = {}) &&
       override;
 
-  SequentialCommandGroup AndThen(std::function<void()> toRun,
-                                 wpi::ArrayRef<Subsystem*> requirements = {}) &&
+  SequentialCommandGroup AndThen(
+      std::function<void()> toRun,
+      wpi::span<Subsystem* const> requirements = {}) &&
       override;
 
  private: