diff --git a/README.md b/README.md
index 6fc7918fd14..b80d9279913 100644
--- a/README.md
+++ b/README.md
@@ -17,9 +17,12 @@ https://doc.qt.io/qtcreator/creator-overview.html
 The standalone binary packages support the following platforms:
 
 * Windows 10 (64-bit) or later
-* (K)Ubuntu Linux 20.04 (64-bit) or later
+* (K)Ubuntu Linux 22.04 (64-bit) or later
 * macOS 11 or later
 
+When you compile Qt Creator yourself, the Qt version that you build with
+determines the supported platforms.
+
 ## Contributing
 
 For instructions on how to set up the Qt Creator repository to contribute
diff --git a/doc/qtcreator/src/overview/creator-only/creator-desktop-platforms.qdoc b/doc/qtcreator/src/overview/creator-only/creator-desktop-platforms.qdoc
index 9626d41f837..fa69e12be39 100644
--- a/doc/qtcreator/src/overview/creator-only/creator-desktop-platforms.qdoc
+++ b/doc/qtcreator/src/overview/creator-only/creator-desktop-platforms.qdoc
@@ -25,7 +25,7 @@
 
     \section1 Linux
 
-    (K)Ubuntu Linux 20.04 (64-bit) or later is supported.
+    (K)Ubuntu Linux 22.04 (64-bit) or later is supported.
 
     To build Qt applications using \QC on Linux, you usually need the
     following: