diff --git a/README.md b/README.md
index 552f76eb..677c1b9c 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,6 @@
 # nostr-java
+[![](https://jitpack.io/v/tcheeric/nostr-java.svg)](https://jitpack.io/#tcheeric/nostr-java)
+
 Introducing the nostr-java library, a solution written in java for generating, signing, and publishing nostr events to relays.
 
 For detailed instructions on how to utilise the library, please refer to the [nostr-client](https://github.com/tcheeric/nostr-client/) repository.
\ No newline at end of file
diff --git a/nostr-java-api/pom.xml b/nostr-java-api/pom.xml
index c6fb8d33..f4255ffb 100644
--- a/nostr-java-api/pom.xml
+++ b/nostr-java-api/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>nostr-java</groupId>
         <artifactId>nostr-java</artifactId>
-        <version>${revision}</version>
+        <version>0.3.1</version>
     </parent>
     <artifactId>nostr-java-api</artifactId>
     <packaging>jar</packaging>
diff --git a/nostr-java-base/pom.xml b/nostr-java-base/pom.xml
index 18f2545b..44e6f9aa 100644
--- a/nostr-java-base/pom.xml
+++ b/nostr-java-base/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>nostr-java</groupId>
         <artifactId>nostr-java</artifactId>
-        <version>${revision}</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>nostr-java-base</artifactId>
diff --git a/nostr-java-client/pom.xml b/nostr-java-client/pom.xml
index 3d4a0e69..de800dbe 100644
--- a/nostr-java-client/pom.xml
+++ b/nostr-java-client/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>nostr-java</groupId>
         <artifactId>nostr-java</artifactId>
-        <version>${revision}</version>
+        <version>0.3.1</version>
     </parent>
     <artifactId>nostr-java-client</artifactId>
     <packaging>jar</packaging>
diff --git a/nostr-java-crypto/pom.xml b/nostr-java-crypto/pom.xml
index d5aa1a4e..69529cd8 100644
--- a/nostr-java-crypto/pom.xml
+++ b/nostr-java-crypto/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>nostr-java</groupId>
         <artifactId>nostr-java</artifactId>
-        <version>${revision}</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>nostr-java-crypto</artifactId>
diff --git a/nostr-java-event/pom.xml b/nostr-java-event/pom.xml
index aa53a23f..bda88c8c 100644
--- a/nostr-java-event/pom.xml
+++ b/nostr-java-event/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>nostr-java</groupId>
         <artifactId>nostr-java</artifactId>
-        <version>${revision}</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>nostr-java-event</artifactId>
diff --git a/nostr-java-examples/pom.xml b/nostr-java-examples/pom.xml
index 58b7398f..51b0c4cf 100644
--- a/nostr-java-examples/pom.xml
+++ b/nostr-java-examples/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>nostr-java</groupId>
         <artifactId>nostr-java</artifactId>
-        <version>${revision}</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>nostr-java-examples</artifactId>
diff --git a/nostr-java-id/pom.xml b/nostr-java-id/pom.xml
index b6c2de05..6574e77e 100644
--- a/nostr-java-id/pom.xml
+++ b/nostr-java-id/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>nostr-java</groupId>
         <artifactId>nostr-java</artifactId>
-        <version>${revision}</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>nostr-java-id</artifactId>
diff --git a/nostr-java-test/pom.xml b/nostr-java-test/pom.xml
index 93ec9a82..5a370d7e 100644
--- a/nostr-java-test/pom.xml
+++ b/nostr-java-test/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>nostr-java</groupId>
         <artifactId>nostr-java</artifactId>
-        <version>${revision}</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>nostr-java-test</artifactId>
diff --git a/nostr-java-util/pom.xml b/nostr-java-util/pom.xml
index 886ed379..59a2c7ec 100644
--- a/nostr-java-util/pom.xml
+++ b/nostr-java-util/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>nostr-java</groupId>
         <artifactId>nostr-java</artifactId>
-        <version>${revision}</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>nostr-java-util</artifactId>
diff --git a/nostr-java-ws-handler-command-provider/pom.xml b/nostr-java-ws-handler-command-provider/pom.xml
index 221b52ce..9e80179d 100644
--- a/nostr-java-ws-handler-command-provider/pom.xml
+++ b/nostr-java-ws-handler-command-provider/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>nostr-java</groupId>
         <artifactId>nostr-java</artifactId>
-        <version>${revision}</version>
+        <version>0.3.1</version>
     </parent>
     
     <artifactId>nostr-java-ws-handler-command-provider</artifactId>
diff --git a/nostr-java-ws-handler-interface/pom.xml b/nostr-java-ws-handler-interface/pom.xml
index d48a8f03..9e35b7fd 100644
--- a/nostr-java-ws-handler-interface/pom.xml
+++ b/nostr-java-ws-handler-interface/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>nostr-java</groupId>
         <artifactId>nostr-java</artifactId>
-        <version>${revision}</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>nostr-java-ws-handler-interface</artifactId>
diff --git a/nostr-java-ws-request-handler-provider/pom.xml b/nostr-java-ws-request-handler-provider/pom.xml
index 4b2909a3..fffe7e22 100644
--- a/nostr-java-ws-request-handler-provider/pom.xml
+++ b/nostr-java-ws-request-handler-provider/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>nostr-java</groupId>
         <artifactId>nostr-java</artifactId>
-        <version>${revision}</version>
+        <version>0.3.1</version>
     </parent>
     <artifactId>nostr-java-ws-request-handler-provider</artifactId>
     <packaging>jar</packaging>
diff --git a/nostr-java-ws-response-handler-provider/pom.xml b/nostr-java-ws-response-handler-provider/pom.xml
index d7e58c1c..48c1efdc 100644
--- a/nostr-java-ws-response-handler-provider/pom.xml
+++ b/nostr-java-ws-response-handler-provider/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>nostr-java</groupId>
         <artifactId>nostr-java</artifactId>
-        <version>${revision}</version>
+        <version>0.3.1</version>
     </parent>
     <artifactId>nostr-java-ws-response-handler-provider</artifactId>
     <packaging>jar</packaging>
diff --git a/nostr-java-ws/pom.xml b/nostr-java-ws/pom.xml
index 4ae75afa..f8a7605a 100644
--- a/nostr-java-ws/pom.xml
+++ b/nostr-java-ws/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>nostr-java</groupId>
         <artifactId>nostr-java</artifactId>
-        <version>${revision}</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>nostr-java-ws</artifactId>
diff --git a/pom.xml b/pom.xml
index fde2bde1..e18f2586 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>nostr-java</groupId>
     <artifactId>nostr-java</artifactId>
-    <version>${revision}</version>
+    <version>0.3.1</version>
     <packaging>pom</packaging>
 
     <modules>
@@ -43,9 +43,6 @@
         <maven-compiler-plugin.version>3.11.0</maven-compiler-plugin.version>
         <maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
         <maven-failsafe-plugin.version>2.22.2</maven-failsafe-plugin.version>
-
-        <!-- Current version of the project -->
-        <revision>0.3</revision>
     </properties>
 
     <dependencyManagement>