diff --git a/README.md b/README.md
index b4da7ecf044f01914fff39af7eb4c46f0fe6e50d..79ee55f46ac0497e62b4e03ec12fe858db0cb385 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,10 @@ Then copy your resulting wheel and install it via pip on the target system.
 
 # Changelog
 
+## v0.6.1
+
+* _TBA_
+
 ## v0.6
 
 * **bugfix**: fixed some bugs with reading values after close
diff --git a/setup.cfg b/setup.cfg
index 6a7da98776da7ae092ff61398baa0bad7bab7f44..c62a64cac3d29a6d6c8459e351966e991fc9e93e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,7 +1,7 @@
 # coding: utf-8
 [metadata]
 name = tempsdb
-version = 0.6
+version = 0.6.1a1
 long-description = file: README.md
 long-description-content-type = text/markdown; charset=UTF-8
 license_files = LICENSE