Bump version to 0.3.900

Change-Id: Ifce2c2389a72cb2a9fac437ba895e6bc92ee2e2d
diff --git a/Changelog.md b/Changelog.md
index 9b4f875..c864452 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,6 @@
 # Changelog
 
+## 0.3.9000
 * use httr2 instead of httr 
 * improve error handling even more
   * error out also on empty results
diff --git a/DESCRIPTION b/DESCRIPTION
index 2e66cbc..e348271 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: matomor
 Type: Package
 Title: API Client Library for Matomo
-Version: 0.2.9000
+Version: 0.3.9000
 Authors@R:
     c(person(given = "Marc",
              family = "Kupietz",