diff --git a/src/examples/CustomTransform.cpp b/src/examples/CustomTransform.cpp
old mode 100755
new mode 100644
diff --git a/src/examples/DirectUpdate.cpp b/src/examples/DirectUpdate.cpp
old mode 100755
new mode 100644
diff --git a/src/examples/GradientTransform.cpp b/src/examples/GradientTransform.cpp
old mode 100755
new mode 100644
diff --git a/src/examples/SceneTransform.cpp b/src/examples/SceneTransform.cpp
old mode 100755
new mode 100644
diff --git a/src/examples/Transform.cpp b/src/examples/Transform.cpp
old mode 100755
new mode 100644
diff --git a/src/examples/Update.cpp b/src/examples/Update.cpp
old mode 100755
new mode 100644
diff --git a/src/lib/gl_engine/tvgGlCommon.h b/src/lib/gl_engine/tvgGlCommon.h
old mode 100755
new mode 100644
diff --git a/src/lib/gl_engine/tvgGlGeometry.cpp b/src/lib/gl_engine/tvgGlGeometry.cpp
old mode 100755
new mode 100644
diff --git a/src/lib/gl_engine/tvgGlGeometry.h b/src/lib/gl_engine/tvgGlGeometry.h
old mode 100755
new mode 100644
diff --git a/src/lib/gl_engine/tvgGlProgram.cpp b/src/lib/gl_engine/tvgGlProgram.cpp
old mode 100755
new mode 100644
diff --git a/src/lib/gl_engine/tvgGlProgram.h b/src/lib/gl_engine/tvgGlProgram.h
old mode 100755
new mode 100644
diff --git a/src/lib/gl_engine/tvgGlPropertyInterface.cpp b/src/lib/gl_engine/tvgGlPropertyInterface.cpp
old mode 100755
new mode 100644
diff --git a/src/lib/gl_engine/tvgGlPropertyInterface.h b/src/lib/gl_engine/tvgGlPropertyInterface.h
old mode 100755
new mode 100644
diff --git a/src/lib/gl_engine/tvgGlRenderTask.cpp b/src/lib/gl_engine/tvgGlRenderTask.cpp
old mode 100755
new mode 100644
diff --git a/src/lib/gl_engine/tvgGlRenderTask.h b/src/lib/gl_engine/tvgGlRenderTask.h
old mode 100755
new mode 100644
diff --git a/src/lib/gl_engine/tvgGlRenderer.cpp b/src/lib/gl_engine/tvgGlRenderer.cpp
old mode 100755
new mode 100644
diff --git a/src/lib/gl_engine/tvgGlRendererProperties.h b/src/lib/gl_engine/tvgGlRendererProperties.h
old mode 100755
new mode 100644
diff --git a/src/lib/gl_engine/tvgGlShaderSrc.cpp b/src/lib/gl_engine/tvgGlShaderSrc.cpp
old mode 100755
new mode 100644