diff --git a/CHANGES.rst b/CHANGES.rst
index fbfe17173..a6c1b6845 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,4 +1,4 @@
-0.16.3 (unreleased)
+0.16.3 (2024-08-29)
 ===================
 
 mosaic_pipeline
diff --git a/README.md b/README.md
index 8cf41a1dc..1ecbb1740 100644
--- a/README.md
+++ b/README.md
@@ -170,6 +170,7 @@ an [issue](https://github.com/spacetelescope/romancal/issues).
 | 0.16.0    | 24Q4_B15  | 063          | Aug 2024  | Release for Build 24Q3_B15 (Build 15) |
 | 0.16.1    | 24Q4_B15  | 063          | Aug 2024  | Release for Build 24Q3_B15 (Build 15) |
 | 0.16.2    | 24Q4_B15  | 063          | Aug 2024  | Release for Build 24Q3_B15 (Build 15) |
+| 0.16.3    | 24Q4_B15  | 063          | Aug 2024  | Release for Build 24Q3_B15 (Build 15) |
 
 
 Note: CRDS_CONTEXT values flagged with an asterisk in the above table are estimates