diff --git a/Dockerfile.cibuild b/Dockerfile.cibuild
index 9d29539..004c8bd 100644
--- a/Dockerfile.cibuild
+++ b/Dockerfile.cibuild
@@ -1,4 +1,4 @@
-FROM golang:1.14
+FROM golang:1.16
 
 ENV GO111MODULE=on
 WORKDIR /go/src/github.com/actions/actions-sync