diff --git a/README b/README
index 353954ce9b..9fe45fb4d7 100644
--- a/README
+++ b/README
@@ -33,8 +33,8 @@ What do I need to run LyX?
     A decent LaTeX2e installation (e.g. TeX Live for Linux/Windows,
     MacTeX for Mac OS).
 
-    Python (2.7 or 3.5 and newer) to convert old LyX files and for
-    helper scripts.
+    Python (3.8 and newer) to convert old LyX files and for helper
+    scripts.
 
 How does the LyX version scheme work?
 
diff --git a/lib/RELEASE-NOTES b/lib/RELEASE-NOTES
index 8fa5cf59ea..86bb48cea7 100644
--- a/lib/RELEASE-NOTES
+++ b/lib/RELEASE-NOTES
@@ -29,6 +29,9 @@
 
 !!Changes with respect to external programs and libraries in 2.5:
 
+- The support for python 2 was completely removed. Python 3.8 (or newer)
+  must be present on your system for LyX to work properly.
+
 
 !!Known issues in version 2.5.0