diff --git a/pom.xml b/pom.xml
index ac2a517..47e59d3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -74,7 +74,7 @@
         <!-- overwritten by profile below -->
         <pg-embedded.test.binary-name />
         <pg-embedded.test.artifact-name>linux-amd64</pg-embedded.test.artifact-name>
-        <pg-embedded.test.artifact-version>14.7.0</pg-embedded.test.artifact-version>
+        <pg-embedded.test.artifact-version>15</pg-embedded.test.artifact-version>
     </properties>
 
     <licenses>
diff --git a/src/site/markdown/setting_postgres_version.md b/src/site/markdown/setting_postgres_version.md
index 57590c1..529d519 100644
--- a/src/site/markdown/setting_postgres_version.md
+++ b/src/site/markdown/setting_postgres_version.md
@@ -1,6 +1,6 @@
 # Setting the PostgreSQL version and architecture
 
-By default, `pg-embedded` uses a PostgreSQL 13 database. This version can be changed in multiple ways:
+By default, `pg-embedded` uses a PostgreSQL 15 database. This version can be changed in multiple ways:
 
 - call `Builder.setServerVersion()` on the [EmbeddedPostgres.Builder](apidocs/de.softwareforge.testing.postgres/de/softwareforge/testing/postgres/embedded/EmbeddedPostgres.Builder.html)
 - call `Builder.withInstancePreparer(b -> b.setServerVersion(...))` on the [DatabaseManagerBuilder](apidocs/de.softwareforge.testing.postgres/de/softwareforge/testing/postgres/embedded/DatabaseManager.Builder.html)