diff --git a/CHANGES.txt b/CHANGES.txt
index 801a968..86b1280 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,6 @@
 Revision history
 ----------------
-0.20.0, 2023-10-XX
+0.20.0, 2023-10-25
  * Fix #245, never introduce new nodes during discard.
  * Fix #268, do not rely on well implemented __ne__ for keys in pmaps, instead do explicit inversion of equality
    comparison when checking for inequality.
diff --git a/_pyrsistent_version.py b/_pyrsistent_version.py
index 42ebddf..2f15b8c 100644
--- a/_pyrsistent_version.py
+++ b/_pyrsistent_version.py
@@ -1 +1 @@
-__version__ = '0.20.0rc1'
+__version__ = '0.20.0'