diff --git a/README.md b/README.md
index df18678..9860984 100644
--- a/README.md
+++ b/README.md
@@ -3,30 +3,13 @@ gantt
     title MCUBootUtility Release Plan
     dateFormat  YYYY-MM-DD
     section Formal Release
-    v1.0.0           :a1, 2018-08-27, 2018-12-28
-    v1.1.0           :a2, 2018-12-29, 2019-01-29
-    v1.2.0           :a3, 2019-01-30, 2019-04-16
-    v1.3.0           :a4, 2019-04-17, 2019-04-29
-    v1.4.0           :a5, 2019-04-30, 2019-05-09
-    v2.0.0           :a6, 2019-05-10, 2019-07-19
-    v2.1.0           :a7, 2019-07-20, 2019-12-03
-    v2.2.0           :a8, 2019-12-04, 2019-12-13
-    v2.3.0           :a9, 2019-12-14, 2020-05-28
-    v2.4.0           :a10, 2020-08-20, 2020-10-20
-    v3.0.0           :a11, 2020-10-21, 2021-01-10
-    v3.1.0           :a12, 2021-01-11, 2021-01-13
-    v3.2.0           :a13, 2021-01-16, 2021-03-17
-    v3.3.0           :a14, 2021-03-18, 2021-05-20
-    v3.4.0           :a15, 2021-08-03, 2021-09-27
-    v3.5.0           :a16, 2021-09-28, 2022-03-19
-    v4.0.0           :a17, 2022-03-20, 2023-01-06
-    v4.1.0           :a18, 2023-01-07, 2023-03-02
-    v5.0.0           :a19, 2023-04-07, 2023-05-23
-    v5.1.0           :a20, 2023-05-24, 2023-05-25
-    v5.2.0           :a21, 2023-05-26, 2023-07-07
-    v5.3.0           :a22, 2023-07-15, 2023-09-14
-    v6.0.0           :a23, 2023-09-15, 2023-11-03
-    v6.1.0           :a24, 2023-11-04, 2023-12-19
+    v1.x             :a1, 2018-08-27, 2019-05-09
+    v2.x             :a2, 2019-05-10, 2020-10-20
+    v3.x             :a3, 2020-10-21, 2022-03-19
+    v4.x             :a4, 2022-03-20, 2023-03-02
+    v5.x             :a5, 2023-04-07, 2023-09-14
+    v6.0.0           :a6, 2023-09-15, 2023-11-03
+    v6.1.0           :a7, 2023-11-04, 2023-12-19
 ```
 
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