diff --git a/CHANGELOG.md b/CHANGELOG.md
index 614dfc3..e87d36e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,12 +1,21 @@
 
+v3.1.0 / 2021-07-16
+===================
+
+  * build: update golang dependencies to modern versions (#60)
+  * build: use github actions for CI (#61)
+  * build: remove vendored code (#62)
+  * tests: fixes for 32-bit platforms related to integers (#57)
+  * Update README with modern PCP and grafana-pcp (over Vector)
+
 v3.0.1 / 2017-10-30
-==================
+===================
 
   * metrics: use a global InstanceDomain for PCPHistogram, fixes #54 (#55)
   * build: add golangci-lint and run lint on CI again (#56) 
 
 v3.0.0 / 2017-10-30
-==================
+===================
 
   * metrics: add support for multidimensional composite metrics (#50)
   * speed: remove logging from library (#49) (**BREAKING**)
diff --git a/speed.go b/speed.go
index 9f74f4d..b536a27 100644
--- a/speed.go
+++ b/speed.go
@@ -17,7 +17,7 @@ import (
 )
 
 // Version is the last tagged version of the package
-const Version = "3.0.1"
+const Version = "3.1.0"
 
 var histogramInstances = []string{"min", "max", "mean", "variance", "standard_deviation"}
 var histogramIndom *PCPInstanceDomain