diff --git a/docker/build.sh b/docker/build.sh
index 54c0b1bf7..354908d19 100755
--- a/docker/build.sh
+++ b/docker/build.sh
@@ -5,7 +5,7 @@ set -e
 echo "Build binary using golang docker image"
 docker run --rm -ti \
     -v "`pwd`":/go/src/github.com/restic/restic \
-    -w /go/src/github.com/restic/restic golang:1.11.1-alpine go run build.go
+    -w /go/src/github.com/restic/restic golang:1.13.6-alpine go run build.go
 
 echo "Build docker image restic/restic:latest"
 docker build --rm -t restic/restic:latest -f docker/Dockerfile .