diff --git a/HISTORY.md b/HISTORY.md
index 1718f5a..087a09f 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -11,6 +11,10 @@
     migration to Github Actions
   - Removed support for all EOL Rubies < 2.6
   - Migrate CI from Travis to Github Actions
+  - Special thanks (again!) to Taichi Ishitani (@taichi-ishitani):
+    - Use more reliable codecov github action (via simplecov-cobertura)
+      rather than less reliable codecov gem
+    - Enable bundle caching in github action setup-ruby  
 
 ## [v1.3.5 (Jan 13, 2021)](http://github.com/ms-ati/docile/compare/v1.3.4...v1.3.5)