diff --git a/DESCRIPTION b/DESCRIPTION
index 4dde8b7..7d3fc82 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: permChacko
 Title: Chacko Test for Order-Restriction with Permutation
-Version: 0.2.0.9001
+Version: 1.0.0
 Date: 2023-11-07
 Authors@R:
     c(
diff --git a/NEWS.md b/NEWS.md
index df051bd..0be480a 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,4 +1,4 @@
-# permChacko (development version)
+# permChacko 1.0.0
 
 * Improved printing of hypothesis ([issue #11](https://github.com/ocbe-uio/permChacko/issues/11)).
 * Added calculation of mid-P values ([issue #13](https://github.com/ocbe-uio/permChacko/issues/13)).