diff --git a/Releases.md b/Releases.md
index 0fb01f6..41d6bb4 100644
--- a/Releases.md
+++ b/Releases.md
@@ -1,5 +1,18 @@
 # [tqdm/tqdm](https://github.com/tqdm/tqdm) Releases
 
+## [v4.51.0](https://github.com/tqdm/tqdm/releases/tag/v4.51.0) <small><small>(2020-10-25)</small></small>
+
+- 🎉 add `{eta}` datetime `bar_format` argument ([#1055] <- [#1051])
+  + e.g. `bar_format='{l_bar}{bar}| {n_fmt}/{total_fmt} [{rate_fmt} ETA:{eta:%y-%m-%d %H:%M}{postfix}]'`
+- 🧯 fix py3 CLI `--update` & `--update_to`
+- 🔨 replace `nosetests` with `pytest` ([#1052], [#1045])
+- 🔍 add & update tests
+
+[#1055]: https://github.com/tqdm/tqdm/issues/1055
+[#1051]: https://github.com/tqdm/tqdm/issues/1051
+[#1052]: https://github.com/tqdm/tqdm/issues/1052
+[#1045]: https://github.com/tqdm/tqdm/issues/1045
+
 ## [v4.50.2](https://github.com/tqdm/tqdm/releases/tag/v4.50.2) <small><small>(2020-10-08)</small></small>
 
 - 🧯 fixed `platform.system()` causing `fork()` warnings ([#691])