diff --git a/WORKSPACE b/WORKSPACE
index 3269409d99..89868761d6 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -375,7 +375,7 @@ yarn_install(
 ##############################################################################
 
 # PHP micro-generator
-_gapic_generator_php_version = "1.6.4"
+_gapic_generator_php_version = "1.6.5"
 
 http_archive(
     name = "gapic_generator_php",