diff --git a/.github/workflows/devpackpublish.yml b/.github/workflows/devpackpublish.yml
index a976dc9cc..2c7260d15 100644
--- a/.github/workflows/devpackpublish.yml
+++ b/.github/workflows/devpackpublish.yml
@@ -23,7 +23,7 @@ jobs:
           token: ${{ secrets.REPO_ACCESS_TOKEN }}
       - uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 16
           cache: 'yarn'
       - name: Install dependencies
         run: yarn install --immutable
diff --git a/.github/workflows/npmpublish-rc.yml b/.github/workflows/npmpublish-rc.yml
index c53519c74..7ac73d362 100644
--- a/.github/workflows/npmpublish-rc.yml
+++ b/.github/workflows/npmpublish-rc.yml
@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 16
           cache: 'yarn'
       - run: yarn install --immutable
       - run: yarn build
@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 16
           cache: 'yarn'
       - name: Install dependencies
         run: yarn install --immutable
diff --git a/.github/workflows/npmpublish.yml b/.github/workflows/npmpublish.yml
index 7f3123b81..6ac22eedb 100644
--- a/.github/workflows/npmpublish.yml
+++ b/.github/workflows/npmpublish.yml
@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 16
           cache: 'yarn'
       - run: yarn install --immutable
       - run: yarn build
@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 16
           cache: 'yarn'
       - name: Install dependencies
         run: yarn install --immutable
diff --git a/.github/workflows/test-node-candidate.yml b/.github/workflows/test-node-candidate.yml
index 6276ffd4c..27eb37ba7 100644
--- a/.github/workflows/test-node-candidate.yml
+++ b/.github/workflows/test-node-candidate.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 16
           cache: 'yarn'
       - name: yarn install
         run: yarn install --immutable
@@ -54,7 +54,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 16
       - name: Log out node version
         run: node --version
       - uses: actions/download-artifact@v3
@@ -100,7 +100,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 16
       - uses: actions/download-artifact@v3
         with:
           name: build
diff --git a/.github/workflows/tests-polkadot-deps.yml b/.github/workflows/tests-polkadot-deps.yml
index b83dd2869..c678f4d16 100644
--- a/.github/workflows/tests-polkadot-deps.yml
+++ b/.github/workflows/tests-polkadot-deps.yml
@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x, 16.x]
+        node-version: [16.x, 18.x]
 
     steps:
       - uses: actions/checkout@v3
@@ -58,10 +58,10 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x]
+        node-version: [16.x]
         required: ['required']
         include:
-          - node-version: 16.x
+          - node-version: 18.x
             required: 'optional'
 
     continue-on-error: ${{ matrix.required == 'optional' }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3b83fb704..3cc93e12a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -41,7 +41,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 16
           cache: 'yarn'
       - name: yarn install
         run: yarn install --immutable
@@ -63,7 +63,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 16
       - uses: actions/download-artifact@v3
         with:
           name: build
@@ -80,7 +80,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14, 16]
+        node-version: [16]
         required: ['required']
         include:
           - node-version: 18
@@ -127,7 +127,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 16
       - name: Log out node version
         run: node --version
       - uses: actions/download-artifact@v3
@@ -173,7 +173,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 16
       - uses: actions/download-artifact@v3
         with:
           name: build
diff --git a/packages/asset-did/package.json b/packages/asset-did/package.json
index f58002a16..53dc9fe51 100644
--- a/packages/asset-did/package.json
+++ b/packages/asset-did/package.json
@@ -23,7 +23,7 @@
   },
   "repository": "github:kiltprotocol/sdk-js",
   "engines": {
-    "node": ">=14.0"
+    "node": ">=16.0"
   },
   "author": "",
   "license": "BSD-4-Clause",
diff --git a/packages/augment-api/package.json b/packages/augment-api/package.json
index 35085d408..2d77a2baa 100644
--- a/packages/augment-api/package.json
+++ b/packages/augment-api/package.json
@@ -33,7 +33,7 @@
   },
   "repository": "github:kiltprotocol/sdk-js",
   "engines": {
-    "node": ">=14.0"
+    "node": ">=16.0"
   },
   "author": "",
   "license": "BSD-4-Clause",
diff --git a/packages/chain-helpers/package.json b/packages/chain-helpers/package.json
index 01ea021ed..0df3513f9 100644
--- a/packages/chain-helpers/package.json
+++ b/packages/chain-helpers/package.json
@@ -23,7 +23,7 @@
   },
   "repository": "github:kiltprotocol/sdk-js",
   "engines": {
-    "node": ">=14.0"
+    "node": ">=16.0"
   },
   "author": "",
   "license": "BSD-4-Clause",
diff --git a/packages/config/package.json b/packages/config/package.json
index ab657cfb1..668fc5a9e 100644
--- a/packages/config/package.json
+++ b/packages/config/package.json
@@ -25,7 +25,7 @@
   },
   "repository": "github:kiltprotocol/sdk-js",
   "engines": {
-    "node": ">=14.0"
+    "node": ">=16.0"
   },
   "author": "",
   "license": "BSD-4-Clause",
diff --git a/packages/core/package.json b/packages/core/package.json
index 2aa13e185..612799363 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -23,7 +23,7 @@
   },
   "repository": "github:kiltprotocol/sdk-js",
   "engines": {
-    "node": ">=14.0"
+    "node": ">=16.0"
   },
   "author": "",
   "license": "BSD-4-Clause",
diff --git a/packages/did/package.json b/packages/did/package.json
index 0afcb817b..baf42cfac 100644
--- a/packages/did/package.json
+++ b/packages/did/package.json
@@ -23,7 +23,7 @@
   },
   "repository": "github:kiltprotocol/sdk-js",
   "engines": {
-    "node": ">=14.0"
+    "node": ">=16.0"
   },
   "author": "",
   "license": "BSD-4-Clause",
diff --git a/packages/messaging/package.json b/packages/messaging/package.json
index d3938a342..0ef37eae3 100644
--- a/packages/messaging/package.json
+++ b/packages/messaging/package.json
@@ -23,7 +23,7 @@
   },
   "repository": "github:kiltprotocol/sdk-js",
   "engines": {
-    "node": ">=14.0"
+    "node": ">=16.0"
   },
   "author": "",
   "license": "BSD-4-Clause",
diff --git a/packages/sdk-js/package.json b/packages/sdk-js/package.json
index b115b0a1d..3959cd3fe 100644
--- a/packages/sdk-js/package.json
+++ b/packages/sdk-js/package.json
@@ -25,7 +25,7 @@
   },
   "repository": "github:kiltprotocol/sdk-js",
   "engines": {
-    "node": ">=14.0"
+    "node": ">=16.0"
   },
   "author": "",
   "license": "BSD-4-Clause",
diff --git a/packages/testing/package.json b/packages/testing/package.json
index 8c41e954e..16a64783e 100644
--- a/packages/testing/package.json
+++ b/packages/testing/package.json
@@ -24,7 +24,7 @@
   },
   "repository": "github:kiltprotocol/sdk-js",
   "engines": {
-    "node": ">=14.0"
+    "node": ">=16.0"
   },
   "author": "",
   "license": "BSD-4-Clause",
diff --git a/packages/type-definitions/package.json b/packages/type-definitions/package.json
index 1a1885171..4905cc1af 100644
--- a/packages/type-definitions/package.json
+++ b/packages/type-definitions/package.json
@@ -23,7 +23,7 @@
   },
   "repository": "github:kiltprotocol/sdk-js",
   "engines": {
-    "node": ">=14.0"
+    "node": ">=16.0"
   },
   "author": "",
   "license": "BSD-4-Clause",
diff --git a/packages/types/package.json b/packages/types/package.json
index 2a6ab5a7c..014fcc521 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -23,7 +23,7 @@
   },
   "repository": "github:kiltprotocol/sdk-js",
   "engines": {
-    "node": ">=14.0"
+    "node": ">=16.0"
   },
   "author": "",
   "license": "BSD-4-Clause",
diff --git a/packages/utils/package.json b/packages/utils/package.json
index 43b30e5b2..f074d5128 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -23,7 +23,7 @@
   },
   "repository": "github:kiltprotocol/sdk-js",
   "engines": {
-    "node": ">=14.0"
+    "node": ">=16.0"
   },
   "author": "",
   "license": "BSD-4-Clause",
diff --git a/packages/vc-export/package.json b/packages/vc-export/package.json
index 5067d7fdd..ffbc0bbb3 100644
--- a/packages/vc-export/package.json
+++ b/packages/vc-export/package.json
@@ -23,7 +23,7 @@
   },
   "repository": "github:kiltprotocol/sdk-js",
   "engines": {
-    "node": ">=14.0"
+    "node": ">=16.0"
   },
   "author": "",
   "license": "BSD-4-Clause",