diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0c74dbcc785..9a2be5ac68f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,13 @@ NOTE: As semantic versioning states all 0.y.z releases can contain breaking chan
 
 We use *breaking* word for marking changes that are not backward compatible (relates only to v0.y.z releases.)
 
+## [v0.10.1](https://github.com/thanos-io/thanos/releases/tag/v0.10.1) - 2020.01.23
+
+### Fixed
+
+- [#2015](https://github.com/thanos-io/thanos/pull/2015) Sidecar: Querier /api/v1/series bug fixed when no or certain time range was specified.
+The bug was noticeable for example when using Grafana template variables.
+
 ## [v0.10.0](https://github.com/thanos-io/thanos/releases/tag/v0.10.0) - 2020.01.13
 
 ### Fixed
diff --git a/VERSION b/VERSION
index 78bc1abd14f..571215736a6 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.10.0
+0.10.1