diff --git a/onyxia-api/pom.xml b/onyxia-api/pom.xml
index 2dbb3f0f..f8ad8be0 100644
--- a/onyxia-api/pom.xml
+++ b/onyxia-api/pom.xml
@@ -127,7 +127,7 @@
 
     <properties>
         <java.version>17</java.version>
-        <kotlin.version>1.7.0</kotlin.version>
+        <kotlin.version>1.9.0</kotlin.version>
     </properties>
 
     <build>