diff --git a/CHANGELOG.md b/CHANGELOG.md
index de85fa01..cefd2c5d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,7 @@ A preview of the next release can be installed from
 
 ## Unreleased
 
-...
+Fix [#1401](https://github.com/babashka/babashka/issues/1401): mutation of `deftype` field should be visible in protocol method
 
 ## 1.0.164 (2022-10-17)
 
diff --git a/sci b/sci
index cb490f28..cf600e62 160000
--- a/sci
+++ b/sci
@@ -1 +1 @@
-Subproject commit cb490f280aa42b440749980bbb6b83f1e1ef7d75
+Subproject commit cf600e62ef6d01a4e8c57160643a3a0c9ba1252c