diff --git a/graphics/opengl/src/main/java/module-info.java b/graphics/opengl/src/main/java/module-info.java
index d1689c1..7199af9 100644
--- a/graphics/opengl/src/main/java/module-info.java
+++ b/graphics/opengl/src/main/java/module-info.java
@@ -11,9 +11,9 @@ module sosengine.graphics.opengl {
     // -> Libraries
     requires transitive static lombok;
     requires transitive org.jetbrains.annotations;
-    requires transitive org.lwjgl;
-    requires transitive org.lwjgl.glfw;
-    requires transitive org.lwjgl.opengl;
+    requires org.lwjgl;
+    requires org.lwjgl.glfw;
+    requires org.lwjgl.opengl;
 
     // API access
     exports de.staropensource.sosengine.graphics.opengl;
diff --git a/graphics/vulkan/src/main/java/module-info.java b/graphics/vulkan/src/main/java/module-info.java
index 551dc58..33ed9f5 100644
--- a/graphics/vulkan/src/main/java/module-info.java
+++ b/graphics/vulkan/src/main/java/module-info.java
@@ -11,7 +11,7 @@ module sosengine.graphics.vulkan {
     // -> Libraries
     requires transitive static lombok;
     requires transitive org.jetbrains.annotations;
-    requires transitive org.lwjgl.glfw;
+    requires org.lwjgl.glfw;
 
     // API access
     exports de.staropensource.sosengine.graphics.vulkan;
diff --git a/slf4j-compat/src/main/java/module-info.java b/slf4j-compat/src/main/java/module-info.java
index 3b9271b..476371c 100644
--- a/slf4j-compat/src/main/java/module-info.java
+++ b/slf4j-compat/src/main/java/module-info.java
@@ -10,7 +10,7 @@ module sosengine.slf4j_compat {
     // -> Libraries
     requires transitive static lombok;
     requires transitive org.jetbrains.annotations;
-    requires transitive org.slf4j;
+    requires org.slf4j;
 
     // API access
     exports de.staropensource.sosengine.slf4j_compat;
diff --git a/testapp/src/main/java/module-info.java b/testapp/src/main/java/module-info.java
index feff3d5..c56b0a9 100644
--- a/testapp/src/main/java/module-info.java
+++ b/testapp/src/main/java/module-info.java
@@ -9,6 +9,9 @@ open module sosengine.testapp {
     // -> Subsystems
     requires sosengine.base;
     requires sosengine.graphics;
+    requires sosengine.graphics.opengl;
+    requires sosengine.graphics.vulkan;
+    requires sosengine.slf4j_compat;
     // -> Libraries
     requires static lombok;
 }