diff --git a/OpenCL/build.sbt b/OpenCL/build.sbt
index 25e87502..fefd4638 100644
--- a/OpenCL/build.sbt
+++ b/OpenCL/build.sbt
@@ -1,4 +1,4 @@
-libraryDependencies += ("org.lwjgl" % "lwjgl" % "3.1.6" % Test).jar().classifier {
+libraryDependencies += ("org.lwjgl" % "lwjgl" % "3.1.6" % Optional).jar().classifier {
   import scala.util.Properties._
   if (isMac) {
     "natives-macos"
@@ -11,6 +11,8 @@ libraryDependencies += ("org.lwjgl" % "lwjgl" % "3.1.6" % Test).jar().classifier
   }
 }
 
+libraryDependencies += "org.lwjgl" % "lwjgl" % "3.1.6"
+
 libraryDependencies += "org.lwjgl" % "lwjgl-opencl" % "3.1.6"
 
 libraryDependencies += "com.thoughtworks.raii" %% "asynchronous" % "3.0.0-M11"
diff --git a/Tensors/build.sbt b/Tensors/build.sbt
index c4f202ec..9f36f6ed 100644
--- a/Tensors/build.sbt
+++ b/Tensors/build.sbt
@@ -4,7 +4,7 @@ libraryDependencies += "com.google.guava" % "guava" % "23.6-jre"
 
 libraryDependencies += "org.scalatest" %% "scalatest" % "3.0.4" % Test
 
-libraryDependencies += ("org.lwjgl" % "lwjgl" % "3.1.6" % Test).jar().classifier {
+libraryDependencies += ("org.lwjgl" % "lwjgl" % "3.1.6" % Optional).jar().classifier {
   import scala.util.Properties._
   if (isMac) {
     "natives-macos"
diff --git a/cpu/build.sbt b/cpu/build.sbt
index e4b97a99..3c127412 100644
--- a/cpu/build.sbt
+++ b/cpu/build.sbt
@@ -10,7 +10,7 @@ exampleSuperTypes := exampleSuperTypes.value.map {
 
 exampleSuperTypes += ctor"_root_.org.scalatest.Inside"
 
-libraryDependencies += ("org.lwjgl" % "lwjgl" % "3.1.6" % Test).jar().classifier {
+libraryDependencies += ("org.lwjgl" % "lwjgl" % "3.1.6" % Optional).jar().classifier {
   import scala.util.Properties._
   if (isMac) {
     "natives-macos"
diff --git a/gpu/build.sbt b/gpu/build.sbt
index e07753a4..4a3c42ad 100644
--- a/gpu/build.sbt
+++ b/gpu/build.sbt
@@ -8,7 +8,7 @@ exampleSuperTypes := exampleSuperTypes.value.map {
     otherTrait
 }
 
-libraryDependencies += ("org.lwjgl" % "lwjgl" % "3.1.6" % Test).jar().classifier {
+libraryDependencies += ("org.lwjgl" % "lwjgl" % "3.1.6" % Optional).jar().classifier {
   import scala.util.Properties._
   if (isMac) {
     "natives-macos"