diff --git a/.circleci/config.yml b/.circleci/config.yml
index 116e7a10c..3f1fa0d78 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -35,7 +35,7 @@ jobs:
   unit:
     executor:
       name: go/default
-      tag: '1.15'
+      tag: '1.16'
     steps:
     - checkout
     - *mktestdir
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 16bd0269e..face5a8ca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: ['1.15', '1.14']
+        go: ['1.16', '1.15']
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
diff --git a/go.mod b/go.mod
index 5becb4d83..1ff19135e 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module entgo.io/ent
 
-go 1.15
+go 1.16
 
 require (
 	github.com/DATA-DOG/go-sqlmock v1.5.0