diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1168cdf2..ee3b3c6f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 ## Release Notes
 
-### JJWT_RELEASE_VERSION
+### 0.12.1
 
 Enabled reflective access on JDK 17+ to `java.io.ByteArrayInputStream` and `sun.security.util.KeyUtil` for
 `jjwt-impl.jar`
diff --git a/README.md b/README.md
index 7c61777d..5059f820 100644
--- a/README.md
+++ b/README.md
@@ -540,18 +540,18 @@ If you're building a (non-Android) JDK project, you will want to define the foll
 <dependency>
     <groupId>io.jsonwebtoken</groupId>
     <artifactId>jjwt-api</artifactId>
-    <version>0.12.0</version>
+    <version>0.12.1</version>
 </dependency>
 <dependency>
     <groupId>io.jsonwebtoken</groupId>
     <artifactId>jjwt-impl</artifactId>
-    <version>0.12.0</version>
+    <version>0.12.1</version>
     <scope>runtime</scope>
 </dependency>
 <dependency>
     <groupId>io.jsonwebtoken</groupId>
     <artifactId>jjwt-jackson</artifactId> <!-- or jjwt-gson if Gson is preferred -->
-    <version>0.12.0</version>
+    <version>0.12.1</version>
     <scope>runtime</scope>
 </dependency>
 <!-- Uncomment this next dependency if you are using:
@@ -574,9 +574,9 @@ If you're building a (non-Android) JDK project, you will want to define the foll
 
 ```groovy
 dependencies {
-    implementation 'io.jsonwebtoken:jjwt-api:0.12.0'
-    runtimeOnly 'io.jsonwebtoken:jjwt-impl:0.12.0'
-    runtimeOnly 'io.jsonwebtoken:jjwt-jackson:0.12.0' // or 'io.jsonwebtoken:jjwt-gson:0.12.0' for gson
+    implementation 'io.jsonwebtoken:jjwt-api:0.12.1'
+    runtimeOnly 'io.jsonwebtoken:jjwt-impl:0.12.1'
+    runtimeOnly 'io.jsonwebtoken:jjwt-jackson:0.12.1' // or 'io.jsonwebtoken:jjwt-gson:0.12.1' for gson
     /* 
       Uncomment this next dependency if you are using:
        - JDK 10 or earlier, and you want to use RSASSA-PSS (PS256, PS384, PS512) signature algorithms.
@@ -601,9 +601,9 @@ Add the dependencies to your project:
 
 ```groovy
 dependencies {
-    api('io.jsonwebtoken:jjwt-api:0.12.0')
-    runtimeOnly('io.jsonwebtoken:jjwt-impl:0.12.0') 
-    runtimeOnly('io.jsonwebtoken:jjwt-orgjson:0.12.0') {
+    api('io.jsonwebtoken:jjwt-api:0.12.1')
+    runtimeOnly('io.jsonwebtoken:jjwt-impl:0.12.1') 
+    runtimeOnly('io.jsonwebtoken:jjwt-orgjson:0.12.1') {
         exclude(group: 'org.json', module: 'json') //provided by Android natively
     }
     /* 
@@ -2952,7 +2952,7 @@ scope which is the typical JJWT default).  That is:
 <dependency>
     <groupId>io.jsonwebtoken</groupId>
     <artifactId>jjwt-jackson</artifactId>
-    <version>0.12.0</version>
+    <version>0.12.1</version>
     <scope>compile</scope> <!-- Not runtime -->
 </dependency>
 ```
@@ -2961,7 +2961,7 @@ scope which is the typical JJWT default).  That is:
 
 ```groovy
 dependencies {
-    implementation 'io.jsonwebtoken:jjwt-jackson:0.12.0'
+    implementation 'io.jsonwebtoken:jjwt-jackson:0.12.1'
 }
 ```
 
@@ -3069,7 +3069,7 @@ scope which is the typical JJWT default).  That is:
 <dependency>
     <groupId>io.jsonwebtoken</groupId>
     <artifactId>jjwt-gson</artifactId>
-    <version>0.12.0</version>
+    <version>0.12.1</version>
     <scope>compile</scope> <!-- Not runtime -->
 </dependency>
 ```
@@ -3078,7 +3078,7 @@ scope which is the typical JJWT default).  That is:
 
 ```groovy
 dependencies {
-    implementation 'io.jsonwebtoken:jjwt-gson:0.12.0'
+    implementation 'io.jsonwebtoken:jjwt-gson:0.12.1'
 }
 ```
 
diff --git a/api/pom.xml b/api/pom.xml
index 2fbfc759..0478dde7 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>io.jsonwebtoken</groupId>
         <artifactId>jjwt-root</artifactId>
-        <version>0.13.0-SNAPSHOT</version>
+        <version>0.12.2-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions/gson/pom.xml b/extensions/gson/pom.xml
index 17e9ae97..a530aa1f 100644
--- a/extensions/gson/pom.xml
+++ b/extensions/gson/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>io.jsonwebtoken</groupId>
         <artifactId>jjwt-root</artifactId>
-        <version>0.13.0-SNAPSHOT</version>
+        <version>0.12.2-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions/jackson/pom.xml b/extensions/jackson/pom.xml
index 50316a7b..201aa3df 100644
--- a/extensions/jackson/pom.xml
+++ b/extensions/jackson/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>io.jsonwebtoken</groupId>
         <artifactId>jjwt-root</artifactId>
-        <version>0.13.0-SNAPSHOT</version>
+        <version>0.12.2-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions/orgjson/pom.xml b/extensions/orgjson/pom.xml
index 6f75194b..56892a99 100644
--- a/extensions/orgjson/pom.xml
+++ b/extensions/orgjson/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>io.jsonwebtoken</groupId>
         <artifactId>jjwt-root</artifactId>
-        <version>0.13.0-SNAPSHOT</version>
+        <version>0.12.2-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions/pom.xml b/extensions/pom.xml
index 935e8b31..7b5a96f2 100644
--- a/extensions/pom.xml
+++ b/extensions/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>io.jsonwebtoken</groupId>
         <artifactId>jjwt-root</artifactId>
-        <version>0.13.0-SNAPSHOT</version>
+        <version>0.12.2-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/impl/pom.xml b/impl/pom.xml
index f8a498b3..6f56bd6f 100644
--- a/impl/pom.xml
+++ b/impl/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>io.jsonwebtoken</groupId>
         <artifactId>jjwt-root</artifactId>
-        <version>0.13.0-SNAPSHOT</version>
+        <version>0.12.2-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/impl/src/main/java/io/jsonwebtoken/impl/lang/AddOpens.java b/impl/src/main/java/io/jsonwebtoken/impl/lang/AddOpens.java
index a693230d..7e4edd05 100644
--- a/impl/src/main/java/io/jsonwebtoken/impl/lang/AddOpens.java
+++ b/impl/src/main/java/io/jsonwebtoken/impl/lang/AddOpens.java
@@ -29,7 +29,7 @@ import java.lang.reflect.Method;
  * may break at any time in the future (theoretically even for a minor
  * release!).
  *
- * @since JJWT_RELEASE_VERSION, gratefully copied from <a href="https://github.com/stefan-zobel/wip/blob/b74e927edddf19a5dce7c8610835f620c0b6f557/src/main/java/misc/AddOpens.java">https://github.com/stefan-zobel/wip/blob/b74e927edddf19a5dce7c8610835f620c0b6f557/src/main/java/misc/AddOpens.java</a>
+ * @since 0.12.1, gratefully copied from <a href="https://github.com/stefan-zobel/wip/blob/b74e927edddf19a5dce7c8610835f620c0b6f557/src/main/java/misc/AddOpens.java">https://github.com/stefan-zobel/wip/blob/b74e927edddf19a5dce7c8610835f620c0b6f557/src/main/java/misc/AddOpens.java</a>
  * under the terms of the Apache 2 open source license (same as the JJWT license).
  */
 public final class AddOpens {
diff --git a/pom.xml b/pom.xml
index 9d545500..c41f781d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,13 +14,12 @@
   ~ See the License for the specific language governing permissions and
   ~ limitations under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>io.jsonwebtoken</groupId>
     <artifactId>jjwt-root</artifactId>
-    <version>0.13.0-SNAPSHOT</version>
+    <version>0.12.2-SNAPSHOT</version>
     <name>JJWT</name>
     <description>JSON Web Token support for the JVM and Android</description>
     <packaging>pom</packaging>
@@ -91,7 +90,7 @@
     <properties>
 
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <arguments/>
+        <arguments />
 
         <jjwt.root>${basedir}</jjwt.root>
         <jjwt.previousVersion>0.11.2</jjwt.previousVersion>
@@ -114,7 +113,7 @@
         <orgjson.version>20230618</orgjson.version>
         <gson.version>2.9.0</gson.version>
 
-        <maven.javadoc.additionalOptions/>
+        <maven.javadoc.additionalOptions />
 
         <!-- Optional Runtime Dependencies: -->
         <bouncycastle.version>1.76</bouncycastle.version>
@@ -130,7 +129,7 @@
         <surefire.plugin.version>3.0.0-M5</surefire.plugin.version>
         <clover.version>4.3.1</clover.version> <!-- max version allowed for JDK 7 builds -->
         <clover.db>${jjwt.root}/target/clover/clover.db</clover.db>
-        <surefire.argLine/>
+        <surefire.argLine />
         <test.addOpens>
             --add-opens java.base/java.lang=ALL-UNNAMED, <!-- Needed by EasyMock/cglib -->
             --add-opens java.desktop/java.beans=ALL-UNNAMED, <!-- Needed by EasyMock/cglib -->
@@ -474,8 +473,7 @@
                             </includes>
                         </artifactSet>
                         <transformers>
-                            <transformer
-                                    implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
+                            <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer" />
                         </transformers>
                     </configuration>
                     <executions>
@@ -709,7 +707,7 @@
 <!--                        <configuration>-->
 <!--                            <source>${jdk.version}</source>-->
 <!--                            <target>${jdk.version}</target>-->
-<!--                            <release/>-->
+<!--                            <release />-->
 <!--                            <encoding>${project.build.sourceEncoding}</encoding>-->
 <!--                            <excludes>-->
 <!--                                <exclude>module-info.java</exclude>-->
diff --git a/tdjar/pom.xml b/tdjar/pom.xml
index 97279ea6..2219fd28 100644
--- a/tdjar/pom.xml
+++ b/tdjar/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>io.jsonwebtoken</groupId>
         <artifactId>jjwt-root</artifactId>
-        <version>0.13.0-SNAPSHOT</version>
+        <version>0.12.2-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>