diff --git a/DESCRIPTION b/DESCRIPTION
index 16444050..1f0023a3 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: bbotk
 Title: Black-Box Optimization Toolkit
-Version: 0.3.0.9000
+Version: 0.3.1
 Authors@R:
     c(person(given = "Marc",
              family = "Becker",
diff --git a/NEWS.md b/NEWS.md
index 61f879bf..ed103188 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,6 +1,8 @@
-# bbotk 0.3.0.9000
+# bbotk 0.3.1
 
 * `OptimInstance$clear()` methods resets the instance.
+* Prettier printing methods.
+* Assert overlapping and reserved names in domain and codomain
 
 # bbotk 0.3.0