diff --git a/CHANGES.md b/CHANGES.md
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--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,11 @@
 VECTO-AirDrag: Changes
 ===================
+#### 2018-01-22: v3.1.4 ####
+TUG improvements:
+
+  * New version number
+  * Bugfix for rounding method
+  
 #### 2017-11-07: v3.1.3 ####
 TUG improvements:
 
diff --git a/Docs/VECTO-Air Drag_ReleaseNotes_3.1.3.pdf b/Docs/VECTO-Air Drag_ReleaseNotes_3.1.4.pdf
similarity index 72%
rename from Docs/VECTO-Air Drag_ReleaseNotes_3.1.3.pdf
rename to Docs/VECTO-Air Drag_ReleaseNotes_3.1.4.pdf
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Binary files a/Docs/VECTO-Air Drag_ReleaseNotes_3.1.3.pdf and b/Docs/VECTO-Air Drag_ReleaseNotes_3.1.4.pdf differ