diff --git a/README.md b/README.md
index 77ed7d1fd2..71b68ba8f9 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,6 @@
 [![Coverage Status](https://sonarcloud.io/api/project_badges/measure?project=com.powsybl%3Apowsybl-open-loadflow&metric=coverage)](https://sonarcloud.io/component_measures?id=com.powsybl%3Apowsybl-open-loadflow&metric=coverage)
 [![Quality Gate](https://sonarcloud.io/api/project_badges/measure?project=com.powsybl%3Apowsybl-open-loadflow&metric=alert_status)](https://sonarcloud.io/dashboard?id=com.powsybl%3Apowsybl-open-loadflow)
 [![MPL-2.0 License](https://img.shields.io/badge/license-MPL_2.0-blue.svg)](https://www.mozilla.org/en-US/MPL/2.0/)
-[![Join the community on Spectrum](https://withspectrum.github.io/badge/badge.svg)](https://spectrum.chat/powsybl)
 [![Slack](https://img.shields.io/badge/slack-powsybl-blueviolet.svg?logo=slack)](https://join.slack.com/t/powsybl/shared_invite/zt-rzvbuzjk-nxi0boim1RKPS5PjieI0rA)
 
 PowSyBl (**Pow**er **Sy**stem **Bl**ocks) is an open source library written in Java, that makes it easy to write complex
@@ -83,12 +82,12 @@ dependencies to respectively have access to network model, IEEE test networks an
 <dependency>
     <groupId>com.powsybl</groupId>
     <artifactId>powsybl-iidm-impl</artifactId>
-    <version>5.0.0</version>
+    <version>5.1.0</version>
 </dependency>
 <dependency>
     <groupId>com.powsybl</groupId>
     <artifactId>powsybl-ieee-cdf-converter</artifactId>
-    <version>5.0.0</version>
+    <version>5.1.0</version>
 </dependency>
 <dependency>
     <groupId>org.slf4j</groupId>
@@ -107,7 +106,7 @@ After adding a last Maven dependency on Open Load Flow implementation:
 <dependency>
     <groupId>com.powsybl</groupId>
     <artifactId>powsybl-open-loadflow</artifactId>
-    <version>0.24.0</version>
+    <version>1.0.0</version>
 </dependency>
 ```
 
diff --git a/pom.xml b/pom.xml
index a00bfa4a62..2d53981668 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
     </parent>
 
     <artifactId>powsybl-open-loadflow</artifactId>
-    <version>1.0.0-SNAPSHOT</version>
+    <version>1.0.0</version>
 
     <name>powsybl open loadflow</name>
     <description>An open source loadflow based on PowSyBl</description>