diff --git a/build.gradle b/build.gradle
index ddcd15706a..0132c6447d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -128,7 +128,7 @@ ext {
 	awaitilityVersion = '4.2.2'
 	hoverflyJavaVersion = '0.19.1'
 	tomcatVersion = '9.0.93'
-	boringSslVersion = '2.0.65.Final'
+	boringSslVersion = '2.0.66.Final'
 	junitVersion = '5.11.0'
 	junitPlatformLauncherVersion = '1.11.0'
 	mockitoVersion = '4.11.0'