diff --git a/CHANGES.rst b/CHANGES.rst
index 49c213b7d..b7e6921be 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,8 +1,23 @@
 0.4.0 (unreleased)
 =======
 
+
+0.3.1 (2021-06-02)
+=======
+
+general
+-------
+- Added grism to the CRDS tests [# 225]
+
+
 0.3.0 (2021-05-28)
 =======
+datamodels
+----------
+
+- Added sorting to test parameters to preserve order for tests done by parallel pytest workers. [#136]
+
+- Update setup.cfg to match JWST warnings & error list and initial pass for code fixes. (#188)
 
 general
 -------
diff --git a/README.md b/README.md
index 65748ae01..d71ee2d3c 100644
--- a/README.md
+++ b/README.md
@@ -143,13 +143,12 @@ contact the [ROMAN Help Desk](https://romanhelp.stsci.edu).
 
 ## Software vs DMS build version map
 
-| roman tag | DMS build | CRDS_CONTEXT |   Date     |          Notes                                |
+| roman tag | DMS build | CRDS_CONTEXT |   Date    |          Notes                                |
 | -------- | --------- | ------------ | ---------- | ----------------------------------------------|
-| 0.1.0    | 0.0       |  003         | Nov  2020  | Release for Build 0.0
-| -------- | --------- | ------------ | ---------- | ----------------------------------------------|
-| 0.2.0    | 0.1       |  004         | Mar  2021  | Release for Build 0.1
-| -------- | --------- | ------------ | ---------- | ----------------------------------------------|
-| 0.3.0    | 0.2       |  007         | May  2021  | Release for Build 0.2
+| 0.1.0    | 0.0       |  003         | Nov  2020  | Release for Build 0.0                         |
+| 0.2.0    | 0.1       |  004         | Mar  2021  | Release for Build 0.1                         |
+| 0.3.0    | 0.2       |  007         | May  2021  | Release for Build 0.2                         |
+| 0.3.1    | 0.2       |  007         | Jun  2021  | Release for Build 0.2 CRDS tests              |
 
 Note: CRDS_CONTEXT values flagged with an asterisk in the above table are estimates
 (formal CONTEXT deliveries are only provided with final builds).