diff --git a/projects/greenlight/Makefile b/projects/greenlight/Makefile
index d4d5e8f..afd8d90 100644
--- a/projects/greenlight/Makefile
+++ b/projects/greenlight/Makefile
@@ -82,11 +82,10 @@ vendor:
 #
 # ==================================================================================== #
 
-current_time = $(shell date --iso-8601=seconds)
+current_time = $(shell date -u +"%Y-%m-%dT%H:%M:%S%z")
 git_description = $(shell git describe --always --dirty)
 linker_flags = '-s -X main.buildTime=${current_time} -X main.version=${git_description}
 
-
 ## build/api: build the cmd/api application
 .PHONY: build/api
 build/api: