diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
new file mode 100644
index 0000000..a49e58f
--- /dev/null
+++ b/.github/workflows/pull_request.yml
@@ -0,0 +1,25 @@
+name: Build and test for the pull request
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+
+jobs:
+  build:
+    name: Build and test
+    runs-on: ubuntu-latest
+    if: "!contains(github.event.head_commit.message, '[ci skip]')"
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'maven'
+
+      - name: Build with Maven
+        run: mvn -B package
+
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..cf9d277
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,42 @@
+name: Release CI
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    name: Build and release
+    runs-on: ubuntu-latest
+    if: "!contains(github.event.head_commit.message, '[ci skip]')"
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+        with:
+          # Disabling shallow clone is needed for correctly determing next release with semantic release
+          fetch-depth: 0
+          persist-credentials: false
+
+      - name: Set up JDK
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'maven'
+
+      - name: Test
+        run: mvn -B test
+
+      - name: Semantic release
+        id: semantic
+        uses: cycjimmy/semantic-release-action@v4
+        with:
+          semantic_version: 23
+          extra_plugins: |
+            @semantic-release/changelog@6
+            @terrestris/maven-semantic-release@2
+            @semantic-release/git@10
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..5ddd176
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,13 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Rider ignored files
+/.idea.keycloak-discord.iml
+/modules.xml
+/contentModel.xml
+/projectSettingsUpdater.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/indexLayout.xml b/.idea/indexLayout.xml
new file mode 100644
index 0000000..7b08163
--- /dev/null
+++ b/.idea/indexLayout.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="UserContentModel">
+    <attachedFolders />
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.releaserc b/.releaserc
index 076bdce..b58cdd4 100644
--- a/.releaserc
+++ b/.releaserc
@@ -1,13 +1,36 @@
 {
+  "branches": [
+    "master"
+  ],
   "plugins": [
     "@semantic-release/commit-analyzer",
     "@semantic-release/release-notes-generator",
-    "@conveyal/maven-semantic-release",
-    ["@semantic-release/github", {
-      "assets": [
-        {"path": "ear/target/*.ear"}
-      ]
-    }]
+    "@semantic-release/changelog",
+    [
+      "@terrestris/maven-semantic-release",
+      {
+        "mavenTarget": "deploy",
+        "clean": false,
+        "updateSnapshotVersion": true,
+        "settingsPath": "/home/runner/.m2/settings.xml",
+        "processAllModules": true
+      }
+    ],
+    [
+      "@semantic-release/git",
+      {
+        "assets": [
+          "CHANGELOG.md", "pom.xml", "**/pom.xml"
+        ],
+        "message": "chore(release): ${nextRelease.version} [skip ci]\n\n${nextRelease.notes}"
+      }
+    ],
+    [
+      "@semantic-release/github",
+      {
+        "successComment": false,
+        "failTitle": false
+      }
+    ]
   ]
 }
-
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..3d11611
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,19 @@
+## [0.6.1](https://github.com/wadahiro/keycloak-discord/compare/v0.6.0...v0.6.1) (2024-11-02)
+
+
+### Bug Fixes
+
+* eliminate the possibility of NullPointerException ([#56](https://github.com/wadahiro/keycloak-discord/issues/56)) ([e2b5991](https://github.com/wadahiro/keycloak-discord/commit/e2b5991c7ef33ee3ac6483ca00e3e854bb935371))
+
+# [0.6.0](https://github.com/wadahiro/keycloak-discord/compare/v0.5.0...v0.6.0) (2024-11-02)
+
+
+### Bug Fixes
+
+* ignore discriminator if the value is "0" ([4c68b69](https://github.com/wadahiro/keycloak-discord/commit/4c68b69b0bf0d6421589e03e4baf8bbbe5138caa))
+
+
+### Features
+
+* update to keycloak 26.0.5 ([05a3df4](https://github.com/wadahiro/keycloak-discord/commit/05a3df43f21289762f72e3ac6780fd6b543d8c07))
+* updated provider for Keycloak 25.x ([#49](https://github.com/wadahiro/keycloak-discord/issues/49)) ([c10480b](https://github.com/wadahiro/keycloak-discord/commit/c10480b79864a85817d20d48f949475020322090))
diff --git a/pom.xml b/pom.xml
index 05b1ee7..6aed171 100755
--- a/pom.xml
+++ b/pom.xml
@@ -7,11 +7,11 @@
 
     <groupId>org.keycloak.extensions</groupId>
     <artifactId>keycloak-discord</artifactId>
-    <version>0.5.3</version>
+    <version>0.6.2-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <properties>
-        <version.keycloak>25.0.0</version.keycloak>
+        <version.keycloak>26.0.5</version.keycloak>
     </properties>
 
     <dependencies>
@@ -48,8 +48,15 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.11.0</version>
                 <configuration>
-                    <source>21</source>
-                    <target>21</target>
+                    <source>17</source>
+                    <target>17</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <version>3.1.3</version>
+                <configuration>
+                    <skip>true</skip>
                 </configuration>
             </plugin>
         </plugins>
diff --git a/src/main/java/org/keycloak/social/discord/DiscordIdentityProvider.java b/src/main/java/org/keycloak/social/discord/DiscordIdentityProvider.java
index cc2423e..a82a232 100755
--- a/src/main/java/org/keycloak/social/discord/DiscordIdentityProvider.java
+++ b/src/main/java/org/keycloak/social/discord/DiscordIdentityProvider.java
@@ -77,12 +77,11 @@ public class DiscordIdentityProvider extends AbstractOAuth2IdentityProvider<Disc
 
     @Override
     protected BrokeredIdentityContext extractIdentityFromProfile(EventBuilder event, JsonNode profile) {
-        String id = getJsonProperty(profile, "id");
+        BrokeredIdentityContext user = new BrokeredIdentityContext(getJsonProperty(profile, "id"), getConfig());
+
         String username = getJsonProperty(profile, "username");
         String discriminator = getJsonProperty(profile, "discriminator");
 
-        BrokeredIdentityContext user = new BrokeredIdentityContext(id, getConfig());
-
         if (!"0".equals(discriminator)) {
             username += "#" + discriminator;
         }
diff --git a/src/main/java/org/keycloak/social/discord/DiscordIdentityProviderConfig.java b/src/main/java/org/keycloak/social/discord/DiscordIdentityProviderConfig.java
index 4a25512..11b2a21 100755
--- a/src/main/java/org/keycloak/social/discord/DiscordIdentityProviderConfig.java
+++ b/src/main/java/org/keycloak/social/discord/DiscordIdentityProviderConfig.java
@@ -17,6 +17,9 @@
 
 package org.keycloak.social.discord;
 
+import org.keycloak.broker.oidc.OAuth2IdentityProviderConfig;
+import org.keycloak.models.IdentityProviderModel;
+
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
@@ -24,9 +27,6 @@ import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-import org.keycloak.broker.oidc.OAuth2IdentityProviderConfig;
-import org.keycloak.models.IdentityProviderModel;
-
 /**
  * @author <a href="mailto:wadahiro@gmail.com">Hiroyuki Wada</a>
  */
diff --git a/src/main/java/org/keycloak/social/discord/DiscordIdentityProviderFactory.java b/src/main/java/org/keycloak/social/discord/DiscordIdentityProviderFactory.java
index 594909f..c25ca5e 100755
--- a/src/main/java/org/keycloak/social/discord/DiscordIdentityProviderFactory.java
+++ b/src/main/java/org/keycloak/social/discord/DiscordIdentityProviderFactory.java
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2018 Red Hat, Inc. and/or its affiliates
  * and other contributors as indicated by the @author tags.
@@ -78,4 +77,4 @@ public class DiscordIdentityProviderFactory extends AbstractIdentityProviderFact
     public String getId() {
         return PROVIDER_ID;
     }
-}
+}
\ No newline at end of file
diff --git a/src/main/java/org/keycloak/social/discord/DiscordUserAttributeMapper.java b/src/main/java/org/keycloak/social/discord/DiscordUserAttributeMapper.java
index 2fc3cfc..12e4fdc 100644
--- a/src/main/java/org/keycloak/social/discord/DiscordUserAttributeMapper.java
+++ b/src/main/java/org/keycloak/social/discord/DiscordUserAttributeMapper.java
@@ -21,21 +21,21 @@ import org.keycloak.broker.oidc.mappers.AbstractJsonUserAttributeMapper;
 
 /**
  * User attribute mapper.
- * 
+ *
  * @author dannyAAM
  */
 public class DiscordUserAttributeMapper extends AbstractJsonUserAttributeMapper {
 
-	private static final String[] cp = new String[] { DiscordIdentityProviderFactory.PROVIDER_ID };
+    private static final String[] cp = new String[]{DiscordIdentityProviderFactory.PROVIDER_ID};
 
-	@Override
-	public String[] getCompatibleProviders() {
-		return cp;
-	}
+    @Override
+    public String[] getCompatibleProviders() {
+        return cp;
+    }
 
-	@Override
-	public String getId() {
-		return "discord-user-attribute-mapper";
-	}
+    @Override
+    public String getId() {
+        return "discord-user-attribute-mapper";
+    }
 
 }