diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d571f025..607a7ac2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: actions/setup-node@v1
         with:
-          node-version: 12
+          node-version: 16
 
       - uses: actions/checkout@v2
 
@@ -34,7 +34,7 @@ jobs:
     steps:
       - uses: actions/setup-node@v1
         with:
-          node-version: 12
+          node-version: 16
 
       - uses: actions/checkout@v2
 
diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index 7049c5ad..72191c6d 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Generate coverage report
         uses: actions/setup-node@v1
         with:
-          node-version: '12'
+          node-version: '16'
       - run: npm install
       - run: npm run run-coverage
       - run: npm run generate-report
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 19a63386..291b5932 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -15,7 +15,7 @@ jobs:
     steps:
       - uses: actions/setup-node@v1
         with:
-          node-version: 12
+          node-version: 16
 
       - uses: actions/checkout@v2
       - name: Build
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index adb12b45..795e4e71 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix: 
-        node: [10, 11, 12, 13]
+        node: [16]
         
     steps:
       - uses: actions/setup-node@v1
diff --git a/.github/workflows/test_e2e.yml b/.github/workflows/test_e2e.yml
index d57c6097..34f53309 100644
--- a/.github/workflows/test_e2e.yml
+++ b/.github/workflows/test_e2e.yml
@@ -85,7 +85,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: 14
+          node-version: 16
 
       - uses: actions/cache@v2
         id: cache-deps
diff --git a/.github/workflows/test_e2e_IBC.yml b/.github/workflows/test_e2e_IBC.yml
index 775ee211..f27ae128 100644
--- a/.github/workflows/test_e2e_IBC.yml
+++ b/.github/workflows/test_e2e_IBC.yml
@@ -226,7 +226,7 @@ jobs:
             - name: Setup Node.js
               uses: actions/setup-node@v1
               with:
-                node-version: 14
+                node-version: 16
 
             - uses: actions/cache@v2
               id: cache-deps
diff --git a/.github/workflows/upload.yaml b/.github/workflows/upload.yaml
index 0e5efbca..5cfeb664 100644
--- a/.github/workflows/upload.yaml
+++ b/.github/workflows/upload.yaml
@@ -12,7 +12,7 @@ jobs:
     steps:
       - uses: actions/setup-node@v1
         with:
-          node-version: 12
+          node-version: 16
 
       - uses: actions/checkout@v2
       - name: build lib