diff --git a/CHANGELOG.md b/CHANGELOG.md
index d92f4b11..1dae1e30 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,48 @@
 # Changelog
 
+## v0.4a1 (2023-06-02)
+
+ * [1f5f458](https://github.com/numaproj/numalogic/commit/1f5f458dab3baf34cb43de7b95e10dc00cc88d71) fix: add caching logs (#203)
+ * [ce93191](https://github.com/numaproj/numalogic/commit/ce93191dcc52964c46d1fd78ef9d8c56a646ca77) examples: update with new numalogic and pynumaflow (#202)
+ * [fd169cf](https://github.com/numaproj/numalogic/commit/fd169cf2f373b99ef4e5caf78dee49d61f9ede88) chore!: refactor preproc and postproc into transforms module (#201)
+ * [a2b00c1](https://github.com/numaproj/numalogic/commit/a2b00c179f46aa2c5c4c17e4e10bb4f0958fbfe7) fix: Sparse AE for vanilla and conv (#199)
+ * [5e69f5f](https://github.com/numaproj/numalogic/commit/5e69f5f009ff893273378108d69f9b76917d6a91) fix: registry test_case (#197)
+
+### Contributors
+
+ * Avik Basu
+ * Kushal Batra
+
+## v0.4a0 (2023-05-11)
+
+ * [75aea49](https://github.com/numaproj/numalogic/commit/75aea49dfa6d856c7430be00709fd739e734c250) chore!: Auto detect instance type while mlflow model save (#190)
+ * [e884b90](https://github.com/numaproj/numalogic/commit/e884b90bf39e72ceb8b95acba59316bbf342e173) feat: add redis caching (#179)
+ * [7834730](https://github.com/numaproj/numalogic/commit/7834730465e12cfa12f073209551cedff3af76c6) fix: allow import from Registryconfig with optional dependencies (#180)
+ * [25a16f2](https://github.com/numaproj/numalogic/commit/25a16f200733f19a5fc377ed63eee390d261757d) fix: stale check; conf lazy imports (#178)
+
+### Contributors
+
+ * Avik Basu
+ * Kushal Batra
+
+## v0.4.dev5 (2023-05-09)
+
+ * [54cffe3](https://github.com/numaproj/numalogic/commit/54cffe374b3e7fd62f91fa9d1b82a8b677837061) fix: optional dependency imports
+
+### Contributors
+
+ * Avik Basu
+
+## v0.4.dev4 (2023-05-09)
+
+ * [8086db1](https://github.com/numaproj/numalogic/commit/8086db121d437ce2bcec0ec11cc338847f197909) fix: stale check; conf lazy imports (#178)
+ * [b664e49](https://github.com/numaproj/numalogic/commit/b664e49b5eaa90b43f64a4e7442b5179c7d32149) Prerelease 0.4 (#173)
+ * [85fb527](https://github.com/numaproj/numalogic/commit/85fb527be68c325f8308f4d3070fe42b131962ff) chore!: use torch and lightning 2.0
+
+### Contributors
+
+ * Avik Basu
+
 ## v0.3.8 (2023-04-18)
 
  * [3160c2b](https://github.com/numaproj/numalogic/commit/3160c2b4a248f974bc6c6e4893e7c68c1fdd7890) feat: exponential moving average postprocessing (#156)
@@ -212,3 +255,4 @@
 ### Contributors
 
  * Kushal Batra
+