diff --git a/README.md b/README.md
index 154ac980..099dab65 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@ It is an independent open source implementation that is not affiliated with or e
 * Built with maven, packages available at [Maven Central](http://search.maven.org/#search|ga|1|g%3A%22org.shredzone.acme4j%22)
 * Extensive unit and integration tests
 * Reported to work on Android. However, this platform is not officially supported.
+* Adheres to [Semantic Versioning](https://semver.org/)
 
 ## Dependencies
 
diff --git a/acme4j-client/pom.xml b/acme4j-client/pom.xml
index 55255d3b..f2a8f4bc 100644
--- a/acme4j-client/pom.xml
+++ b/acme4j-client/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.shredzone.acme4j</groupId>
         <artifactId>acme4j</artifactId>
-        <version>2.17-SNAPSHOT</version>
+        <version>3.0.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>acme4j-client</artifactId>
diff --git a/acme4j-example/pom.xml b/acme4j-example/pom.xml
index 581c73ee..5bc6dee5 100644
--- a/acme4j-example/pom.xml
+++ b/acme4j-example/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.shredzone.acme4j</groupId>
         <artifactId>acme4j</artifactId>
-        <version>2.17-SNAPSHOT</version>
+        <version>3.0.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>acme4j-example</artifactId>
diff --git a/acme4j-it/pom.xml b/acme4j-it/pom.xml
index 9f0fb8a5..7c6ee481 100644
--- a/acme4j-it/pom.xml
+++ b/acme4j-it/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.shredzone.acme4j</groupId>
         <artifactId>acme4j</artifactId>
-        <version>2.17-SNAPSHOT</version>
+        <version>3.0.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>acme4j-it</artifactId>
diff --git a/acme4j-smime/pom.xml b/acme4j-smime/pom.xml
index a0b63d84..d169bba2 100644
--- a/acme4j-smime/pom.xml
+++ b/acme4j-smime/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.shredzone.acme4j</groupId>
         <artifactId>acme4j</artifactId>
-        <version>2.17-SNAPSHOT</version>
+        <version>3.0.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>acme4j-smime</artifactId>
diff --git a/acme4j-utils/pom.xml b/acme4j-utils/pom.xml
index 01b6f264..4a468a19 100644
--- a/acme4j-utils/pom.xml
+++ b/acme4j-utils/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.shredzone.acme4j</groupId>
         <artifactId>acme4j</artifactId>
-        <version>2.17-SNAPSHOT</version>
+        <version>3.0.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>acme4j-utils</artifactId>
diff --git a/pom.xml b/pom.xml
index 075ca5fa..ff3aa2fd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
 
     <groupId>org.shredzone.acme4j</groupId>
     <artifactId>acme4j</artifactId>
-    <version>2.17-SNAPSHOT</version>
+    <version>3.0.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>acme4j</name>
diff --git a/src/doc/docs/index.md b/src/doc/docs/index.md
index e4d0e542..d8458073 100644
--- a/src/doc/docs/index.md
+++ b/src/doc/docs/index.md
@@ -25,6 +25,7 @@ Latest version: ![maven central](https://shredzone.org/maven-central/org.shredzo
 * Built with maven, packages available at [Maven Central](http://search.maven.org/#search|ga|1|g%3A%22org.shredzone.acme4j%22)
 * Extensive unit and integration tests
 * Reported to work on Android. However, this platform is not officially supported.
+* Adheres to [Semantic Versioning](https://semver.org/)
 
 ## Dependencies