diff --git a/History.md b/History.md
index 35fde61..161688a 100644
--- a/History.md
+++ b/History.md
@@ -10,6 +10,7 @@
 * Fix clashing method names in enumerable drops, see #238 [Florian Weingarten, fw42]
 * Make map filter work on enumerable drops, see #233 [Florian Weingarten, fw42]
 * Improved whitespace stripping for blank blocks, related to #216 [Florian Weingarten, fw42]
+* Don't call to_sym when creating conditions and use public_send for security reasons, see #273 [Bouke van der Bijl, bouk]
 
 ## 2.6.0 / not yet released / branch "2.6-stable"