diff --git a/spine-unity/Assets/Spine/Editor/spine-unity/Editor/SpinePreferences.cs b/spine-unity/Assets/Spine/Editor/spine-unity/Editor/SpinePreferences.cs
index 0508be6f4..514c0f5a5 100644
--- a/spine-unity/Assets/Spine/Editor/spine-unity/Editor/SpinePreferences.cs
+++ b/spine-unity/Assets/Spine/Editor/spine-unity/Editor/SpinePreferences.cs
@@ -1,31 +1,30 @@
 /******************************************************************************
- * Spine Runtimes Software License v2.5
+ * Spine Runtimes License Agreement
+ * Last updated May 1, 2019. Replaces all prior versions.
  *
- * Copyright (c) 2013-2019, Esoteric Software
- * All rights reserved.
+ * Copyright (c) 2013-2019, Esoteric Software LLC
  *
- * You are granted a perpetual, non-exclusive, non-sublicensable, and
- * non-transferable license to use, install, execute, and perform the Spine
- * Runtimes software and derivative works solely for personal or internal
- * use. Without the written permission of Esoteric Software (see Section 2 of
- * the Spine Software License Agreement), you may not (a) modify, translate,
- * adapt, or develop new applications using the Spine Runtimes or otherwise
- * create derivative works or improvements of the Spine Runtimes or (b) remove,
- * delete, alter, or obscure any trademarks or any copyright, trademark, patent,
- * or other intellectual property or proprietary rights notices on or in the
- * Software, including any copy thereof. Redistributions in binary or source
- * form must include this license and terms.
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
  *
- * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
- * USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software
+ * or otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS
+ * INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *****************************************************************************/
 
 #if UNITY_2017_2_OR_NEWER
diff --git a/spine-unity/Assets/Spine/Editor/spine-unity/Modules/Timeline/Editor/SpineSkeletonFlipDrawer.cs b/spine-unity/Assets/Spine/Editor/spine-unity/Modules/Timeline/Editor/SpineSkeletonFlipDrawer.cs
index 3536d103c..f7f2b6197 100644
--- a/spine-unity/Assets/Spine/Editor/spine-unity/Modules/Timeline/Editor/SpineSkeletonFlipDrawer.cs
+++ b/spine-unity/Assets/Spine/Editor/spine-unity/Modules/Timeline/Editor/SpineSkeletonFlipDrawer.cs
@@ -1,3 +1,32 @@
+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated May 1, 2019. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2019, Esoteric Software LLC
+ *
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
+ *
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software
+ * or otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS
+ * INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
 #if UNITY_2017 || UNITY_2018 || (UNITY_2019_1_OR_NEWER && SPINE_TIMELINE_PACKAGE_DOWNLOADED)
 using UnityEditor;
 using UnityEngine;
diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/Modules/Timeline/SpineSkeletonFlip/SpineSkeletonFlipBehaviour.cs b/spine-unity/Assets/Spine/Runtime/spine-unity/Modules/Timeline/SpineSkeletonFlip/SpineSkeletonFlipBehaviour.cs
index 30c3034f8..633ec54c1 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/Modules/Timeline/SpineSkeletonFlip/SpineSkeletonFlipBehaviour.cs
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/Modules/Timeline/SpineSkeletonFlip/SpineSkeletonFlipBehaviour.cs
@@ -1,3 +1,32 @@
+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated May 1, 2019. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2019, Esoteric Software LLC
+ *
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
+ *
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software
+ * or otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS
+ * INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
 #if UNITY_2017 || UNITY_2018 || (UNITY_2019_1_OR_NEWER && SPINE_TIMELINE_PACKAGE_DOWNLOADED)
 using System;
 using UnityEngine;