diff --git a/CHANGES.rst b/CHANGES.rst
index ee9d9d5a..c2d1d0b7 100755
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,7 +2,7 @@ ThreeDiToolBox changelog
 ========================
 
 
-2.5.5 (unreleased)
+2.5.5 (2023-09-21)
 ------------------
 
 - Bump threedigrid to 2.0.*
diff --git a/version.rst b/version.rst
index 7278ac76..0cadbc1e 100644
--- a/version.rst
+++ b/version.rst
@@ -1 +1 @@
-2.5.5.dev0
+2.5.5