update changelog
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c457ffb..32e1a28 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# 0.26.0 (Unreleased)
+
+ENHANCEMENTS:
+- tfexec: Add `-minimal-refresh` to `(Terraform).Plan()` method ([#607](https://github.com/hashicorp/terraform-exec/pull/607))
+
 # 0.25.3 (August 17, 2026)
 
 DEPENDENCIES: