diff --git a/hal/src/main/native/athena/DIO.cpp b/hal/src/main/native/athena/DIO.cpp
index 3fc9ba3d42..dc4631e197 100644
--- a/hal/src/main/native/athena/DIO.cpp
+++ b/hal/src/main/native/athena/DIO.cpp
@@ -385,8 +385,8 @@ void HAL_Pulse(HAL_DigitalHandle dioPortHandle, double pulseLength,
   }
 
   digitalSystem->writePulseLength(
-      static_cast<uint8_t>(1.0e9 * pulseLength /
-                           (pwmSystem->readLoopTiming(status) * 25)),
+      static_cast<uint16_t>(1.0e9 * pulseLength /
+                            (pwmSystem->readLoopTiming(status) * 25)),
       status);
   digitalSystem->writePulse(pulse, status);
 }
diff --git a/shared/config.gradle b/shared/config.gradle
index 013eee0305..a3d710c8c0 100644
--- a/shared/config.gradle
+++ b/shared/config.gradle
@@ -8,7 +8,7 @@ nativeUtils {
   wpi {
     configureDependencies {
       wpiVersion = "-1"
-      niLibVersion = "2020.4.1"
+      niLibVersion = "2020.5.1"
       opencvVersion = "3.4.7-1"
       googleTestVersion = "1.9.0-3-437e100"
       imguiVersion = "1.72b-2"