diff --git a/Makefile b/Makefile
index 8debb48b27..980b892efd 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ NAME = "github.com/goto/optimus"
 LAST_COMMIT := $(shell git rev-parse --short HEAD)
 LAST_TAG := "$(shell git rev-list --tags --max-count=1)"
 OPMS_VERSION := "$(shell git describe --tags ${LAST_TAG})-next"
-PROTON_COMMIT := "3b60c6758d8aef1cbb392e330ad4a011b07b0f34"
+PROTON_COMMIT := "ca87ce40849dfc2a7a73ba9d2e0e9084e33dadeb"
 
 
 .PHONY: build test test-ci generate-proto unit-test-ci integration-test vet coverage clean install lint