diff --git a/plugins/nf-co2footprint/build.gradle b/plugins/nf-co2footprint/build.gradle
index ae7a36e..f95a271 100644
--- a/plugins/nf-co2footprint/build.gradle
+++ b/plugins/nf-co2footprint/build.gradle
@@ -24,6 +24,12 @@ group = 'io.nextflow'
 // DO NOT SET THE VERSION HERE
 // THE VERSION FOR PLUGINS IS DEFINED IN THE `/resources/META-INF/MANIFEST.NF` file
 
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(19)
+    }
+}
+
 idea {
     module.inheritOutputDirs = true
 }