diff --git a/doc/Changelog b/doc/Changelog
index 8deb1c73f..64621ef68 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,3 +1,6 @@
+12 August 2021: George
+	- Merge PR #514, from ziollek: Docker environment for run tests.
+
 12 August 2021: Wouter
 	- And 1.13.2rc1 became the 1.13.2 with the fix for the python module
 	  build. The current code repository continues with version 1.13.3.