diff --git a/.github/workflows/modules-integration-test.yaml b/.github/workflows/modules-integration-test.yaml
index b81b8755cc..3c2a7cdbf1 100644
--- a/.github/workflows/modules-integration-test.yaml
+++ b/.github/workflows/modules-integration-test.yaml
@@ -10,7 +10,7 @@ jobs:
     name: Module Tests
     strategy:
       matrix:
-        go-version: [1.14.x, 1.15.x]
+        go-version: [1.16.x]
         platform: [ubuntu-latest]
 
     runs-on: ${{ matrix.platform }}
diff --git a/go.mod b/go.mod
index 2738cb0d71..6619d73ee9 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/google/ko
 
-go 1.15
+go 1.16
 
 require (
 	github.com/containerd/stargz-snapshotter/estargz v0.8.0
diff --git a/integration_test.sh b/integration_test.sh
index 65ede2947e..fe630d96fa 100755
--- a/integration_test.sh
+++ b/integration_test.sh
@@ -20,7 +20,7 @@ mkdir -p "$GOPATH/src/github.com/google/ko"
 cp -r "$ROOT_DIR/"* "$GOPATH/src/github.com/google/ko/"
 
 echo "Downloading github.com/go-training/helloworld"
-go get -d github.com/go-training/helloworld
+GO111MODULE=off go get -d github.com/go-training/helloworld
 
 pushd "$GOPATH/src/github.com/google/ko" || exit 1