diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ab13ee3b..b2c71dab 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,7 +18,7 @@ jobs:
             packages: write
 
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v4
 
             - name: Set up Java
               uses: actions/setup-java@v2
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8cbb1b12..9f41db1e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Java 17
         uses: actions/setup-java@v3
@@ -29,25 +29,25 @@ jobs:
         run: ./gradlew test jacocoTestReport
 
       - name: Upload Test Results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: test-results
           path: build/reports/tests/test
 
       - name: Upload Coverage Report
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: code-coverage-report
           path: build/reports/jacoco/test/html
 
       - name: Upload Jacoco XML Report
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: jacoco-xml-report
           path: build/reports/jacoco/test/jacocoTestReport.xml
 
       - name: Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: build/reports/jacoco/test/jacocoTestReport.xml
diff --git a/src/main/java/org/arkecosystem/crypto/networks/Devnet.java b/src/main/java/org/arkecosystem/crypto/networks/Devnet.java
index ff89bd8a..d7d60f55 100644
--- a/src/main/java/org/arkecosystem/crypto/networks/Devnet.java
+++ b/src/main/java/org/arkecosystem/crypto/networks/Devnet.java
@@ -2,6 +2,10 @@
 
 public class Devnet implements INetwork {
 
+    public int chainId() {
+        return 11812;
+    }
+
     public int version() {
         return 30;
     }
diff --git a/src/main/java/org/arkecosystem/crypto/networks/INetwork.java b/src/main/java/org/arkecosystem/crypto/networks/INetwork.java
index cfc01482..38736a24 100644
--- a/src/main/java/org/arkecosystem/crypto/networks/INetwork.java
+++ b/src/main/java/org/arkecosystem/crypto/networks/INetwork.java
@@ -2,6 +2,8 @@
 
 public interface INetwork {
 
+    int chainId();
+
     int version();
 
     int wif();
diff --git a/src/main/java/org/arkecosystem/crypto/networks/Mainnet.java b/src/main/java/org/arkecosystem/crypto/networks/Mainnet.java
index 2f3bbb59..7a46e074 100644
--- a/src/main/java/org/arkecosystem/crypto/networks/Mainnet.java
+++ b/src/main/java/org/arkecosystem/crypto/networks/Mainnet.java
@@ -2,6 +2,10 @@
 
 public class Mainnet implements INetwork {
 
+    public int chainId() {
+        return 11811;
+    }
+
     public int version() {
         return 23;
     }
diff --git a/src/main/java/org/arkecosystem/crypto/networks/Testnet.java b/src/main/java/org/arkecosystem/crypto/networks/Testnet.java
index 0066e500..3118588a 100644
--- a/src/main/java/org/arkecosystem/crypto/networks/Testnet.java
+++ b/src/main/java/org/arkecosystem/crypto/networks/Testnet.java
@@ -2,6 +2,10 @@
 
 public class Testnet implements INetwork {
 
+    public int chainId() {
+        return 11812;
+    }
+
     public int version() {
         return 23;
     }
diff --git a/src/test/java/org/arkecosystem/crypto/networks/DevnetTest.java b/src/test/java/org/arkecosystem/crypto/networks/DevnetTest.java
index 81c490d3..aae68739 100644
--- a/src/test/java/org/arkecosystem/crypto/networks/DevnetTest.java
+++ b/src/test/java/org/arkecosystem/crypto/networks/DevnetTest.java
@@ -6,6 +6,11 @@
 
 class DevnetTest {
 
+    @Test
+    void chainId() {
+        assertEquals(11812, new Devnet().chainId());
+    }
+
     @Test
     void version() {
         assertEquals(0x1E, new Devnet().version());
diff --git a/src/test/java/org/arkecosystem/crypto/networks/MainnetTest.java b/src/test/java/org/arkecosystem/crypto/networks/MainnetTest.java
index 5e1f3c9a..7071a9e0 100644
--- a/src/test/java/org/arkecosystem/crypto/networks/MainnetTest.java
+++ b/src/test/java/org/arkecosystem/crypto/networks/MainnetTest.java
@@ -6,6 +6,11 @@
 
 class MainnetTest {
 
+    @Test
+    void chainId() {
+        assertEquals(11811, new Mainnet().chainId());
+    }
+
     @Test
     void version() {
         assertEquals(0x17, new Mainnet().version());
diff --git a/src/test/java/org/arkecosystem/crypto/networks/TestnetTest.java b/src/test/java/org/arkecosystem/crypto/networks/TestnetTest.java
index d31e0139..7e1ac6c9 100644
--- a/src/test/java/org/arkecosystem/crypto/networks/TestnetTest.java
+++ b/src/test/java/org/arkecosystem/crypto/networks/TestnetTest.java
@@ -6,6 +6,11 @@
 
 class TestnetTest {
 
+    @Test
+    void chainId() {
+        assertEquals(11812, new Testnet().chainId());
+    }
+
     @Test
     void version() {
         assertEquals(0x17, new Testnet().version());