diff --git a/bundles/org.openhab.binding.tado/pom.xml b/bundles/org.openhab.binding.tado/pom.xml
index 544a97f11e533..12bbccd8671ae 100644
--- a/bundles/org.openhab.binding.tado/pom.xml
+++ b/bundles/org.openhab.binding.tado/pom.xml
@@ -24,9 +24,12 @@
   <build>
     <plugins>
       <plugin>
+        <!-- when upgrading, carefully compare generated source files in
+          target/generated-sources/swagger/src/main/java/org/openhab/binding/tado/internal/api
+          as 2.4. series created code which lead to runtime errors in the past -->
         <groupId>io.swagger</groupId>
         <artifactId>swagger-codegen-maven-plugin</artifactId>
-        <version>2.4.41</version>
+        <version>2.3.1</version>
         <executions>
           <execution>
             <goals>