update changelog
diff --git a/CHANGELOG.md b/CHANGELOG.md
index eb76db2..d6fe1c6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.12.1+4
+
+* Fixed SDK constraint to allow edge builds.
+
 ## 0.12.1+3
 
 * Make `predicate` and `pairwiseCompare` generic methods to allow typed