diff --git a/docs/changelog.rst b/docs/changelog.rst
index 858dcb2..f80cbbb 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -1,6 +1,12 @@
 Change log
 ==========
 
+v0.1.21 <2022-06-05>
+--------------------
+
+Fixes windows build issues caused by intrinsic conflicts
+
+
 v0.1.20 <2022-01-04>
 --------------------
 
@@ -161,4 +167,4 @@ v0.1.0 <2015-09-05>
 .. _#72: https://github.com/r9y9/pysptk/issues/72
 .. _#75: https://github.com/r9y9/pysptk/pull/75
 .. _#83: https://github.com/r9y9/pysptk/pull/83
-.. _#87: https://github.com/r9y9/pysptk/pull/87
\ No newline at end of file
+.. _#87: https://github.com/r9y9/pysptk/pull/87