try 1.15.4 (assuming this is the Go version)

amnonbc · amnonbc · commit aa20b29c76e5 · 2020-11-10T13:10:01.000Z
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -35,7 +35,7 @@ jobs:
     executor: dockexec
     steps:
       - v_build:
-          nv: "1.15.3"
+          nv: "1.15.4"
 
   trigger-builds:
     executor: dockexec
