diff --git a/changes.md b/changes.md
index bdd9b1b..c61573d 100644
--- a/changes.md
+++ b/changes.md
@@ -4,4 +4,13 @@ Changes
 
 v0.1
 -----
-    * Initial Version
\ No newline at end of file
+    * Initial Version
+
+v0.1.6
+-----
+    * Added STEP import
+
+v0.1.7
+-----
+    * Added revolve operation and supporting tests
+    * Fixed minor documentation errors
\ No newline at end of file