diff --git a/src/render/shaders.cpp b/src/render/shaders.cpp
index b70a1c32..542a6bc0 100644
--- a/src/render/shaders.cpp
+++ b/src/render/shaders.cpp
@@ -46,7 +46,7 @@ static constexpr GLchar *kShaderBaseHeader = R"END(
 
 const float PI = 3.14159265359;
 const int MAX_BONES = 128;
-const int MAX_LIGHTS = 4;
+const int MAX_LIGHTS = 8;
 const float SHADOW_FAR_PLANE = 10000.0;
 
 struct Light {
diff --git a/src/render/types.h b/src/render/types.h
index a1baa8bd..7e26ef05 100644
--- a/src/render/types.h
+++ b/src/render/types.h
@@ -24,7 +24,7 @@ namespace reone {
 namespace render {
 
 static constexpr int kNumCubeFaces = 6;
-static constexpr int kMaxLightCount = 4;
+static constexpr int kMaxLightCount = 8;
 
 /**
  * This is a hint to the engine when configuring texture properties.