diff --git a/docs/deprecations.md b/docs/deprecations.md
index 54d49dfa7a4..79bf82741aa 100644
--- a/docs/deprecations.md
+++ b/docs/deprecations.md
@@ -26,3 +26,4 @@ being deprecated.
 | [The `TaskRun.Status.ResourceResults.ResourceRef` field is deprecated and will be removed.](https://github.com/tektoncd/pipeline/issues/2694) | [v0.14.0](https://github.com/tektoncd/pipeline/releases/tag/v0.14.0)         | Beta                                                                                                     | April 30 2021                       |
 | [The `PipelineRun.Spec.ServiceAccountNames` field is deprecated and will be removed.](https://github.com/tektoncd/pipeline/issues/2614)       | [v0.15.0](https://github.com/tektoncd/pipeline/releases/tag/v0.15.0)         | Beta                                                                                                     | May 15 2021                         |
 | [`Conditions` CRD is deprecated and will be removed. Use `WhenExpressions` instead.](https://github.com/tektoncd/community/blob/master/teps/0007-conditions-beta.md)       | [v0.16.0](https://github.com/tektoncd/pipeline/releases/tag/v0.16.0)         | Alpha                                                                                                     | Nov 02 2020                         |
+| [The PascalCase fields in WhenExpressions is deprecated and will be removed](https://github.com/tektoncd/pipeline/pull/3389)                  | [v0.17.2](https://github.com/tektoncd/pipeline/releases/tag/v0.17.2)         | Alpha                                                                                                    | Jan 07 2021                         |
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