diff --git a/CHANGELOG.md b/CHANGELOG.md
index c1b1f22a9..3ed607b67 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,16 @@
+# [4.0.0](https://github.com/CESNET/OpenID-Connect-Java-Spring-Server/compare/v3.5.0...v4.0.0) (2021-11-19)
+
+
+### Bug Fixes
+
+* 🐛 Fix ACR for implicit and authorization_code flows ([39bc00a](https://github.com/CESNET/OpenID-Connect-Java-Spring-Server/commit/39bc00a3b08e3129e2244f123a466f4c9490ae36))
+
+
+### BREAKING CHANGES
+
+* 🧨 Database needs to be updated: `ALTER TABLE saved_user_auth DROP
+source_class; ALTER TABLE saved_user_auth ADD COLUMN acr VARCHAR(1024);`
+
 # [3.5.0](https://github.com/CESNET/OpenID-Connect-Java-Spring-Server/compare/v3.4.1...v3.5.0) (2021-11-16)
 
 
diff --git a/perun-oidc-server-webapp/pom.xml b/perun-oidc-server-webapp/pom.xml
index b7347f3b0..bd9bea90d 100644
--- a/perun-oidc-server-webapp/pom.xml
+++ b/perun-oidc-server-webapp/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<groupId>cz.muni.ics</groupId>
 		<artifactId>perun-oidc-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/perun-oidc-server/pom.xml b/perun-oidc-server/pom.xml
index 0c02177a9..d5cd8ed33 100644
--- a/perun-oidc-server/pom.xml
+++ b/perun-oidc-server/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>cz.muni.ics</groupId>
 		<artifactId>perun-oidc-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/pom.xml b/pom.xml
index a78f62820..e1c7ef0fd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>cz.muni.ics</groupId>
 	<artifactId>perun-oidc-parent</artifactId>
-	<version>3.5.0</version>
+	<version>4.0.0</version>
 	<packaging>pom</packaging>
 
 	<modules>