diff --git a/go.mod b/go.mod
index 32ede2573..8ee410f7f 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ require (
 	github.com/golang/protobuf v1.3.2
 	github.com/google/go-cmp v0.2.0
 	github.com/miekg/dns v1.1.4
-	go.starlark.net v0.0.0-20190225160109-1174b2613e82
+	go.starlark.net v0.0.0-20190919145610-979af19b165c
 	golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2
 	golang.org/x/net v0.0.0-20190311183353-d8887717615a
 	golang.org/x/sync v0.0.0-20190423024810-112230192c58
diff --git a/go.sum b/go.sum
index d6e95f1cf..9ca8fb48c 100644
--- a/go.sum
+++ b/go.sum
@@ -18,6 +18,8 @@ github.com/miekg/dns v1.1.4 h1:rCMZsU2ScVSYcAsOXgmC6+AKOK+6pmQTOcw03nfwYV0=
 github.com/miekg/dns v1.1.4/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
 go.starlark.net v0.0.0-20190225160109-1174b2613e82 h1:vAHCTDREx7LqPeWqNeTvCKWcURJztP3wBKnF2Q0sW7Q=
 go.starlark.net v0.0.0-20190225160109-1174b2613e82/go.mod h1:c1/X6cHgvdXj6pUlmWKMkuqRnW4K8x2vwt6JAaaircg=
+go.starlark.net v0.0.0-20190919145610-979af19b165c h1:WR7X1xgXJlXhQBdorVc9Db3RhwG+J/kp6bLuMyJjfVw=
+go.starlark.net v0.0.0-20190919145610-979af19b165c/go.mod h1:c1/X6cHgvdXj6pUlmWKMkuqRnW4K8x2vwt6JAaaircg=
 golang.org/x/crypto v0.0.0-20190208162236-193df9c0f06f h1:ETU2VEl7TnT5bl7IvuKEzTDpplg5wzGYsOCAPhdoEIg=
 golang.org/x/crypto v0.0.0-20190208162236-193df9c0f06f/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=