diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 057594c9..bdb9e470 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 assertj = "3.27.7"
-buf = "1.65.0"
+buf = "1.66.0"
 cel = "0.11.1"
 error-prone = "2.47.0"
 junit = "5.14.3"