diff --git a/cmd/kyma/init/function/function.go b/cmd/kyma/init/function/function.go
index 939ec6efb..688e42c99 100644
--- a/cmd/kyma/init/function/function.go
+++ b/cmd/kyma/init/function/function.go
@@ -58,6 +58,7 @@ Use the flags to specify the initial configuration for your Function or to choos
 		`Flag used to define the environment for running your Function. Use one of these options:
 	- nodejs16 (deprecated)
 	- nodejs18 
+	- nodejs20
 	- python39 (deprecated)
 	- python312`,
 	)
diff --git a/cmd/kyma/run/function/function.go b/cmd/kyma/run/function/function.go
index f6ade7fd0..a393a772b 100644
--- a/cmd/kyma/run/function/function.go
+++ b/cmd/kyma/run/function/function.go
@@ -124,6 +124,7 @@ func (c *command) workspaceConfig(path string) (workspace.Cfg, error) {
 	supportedRuntimes := map[string]struct{}{
 		"nodejs16":  {},
 		"nodejs18":  {},
+		"nodejs20":  {},
 		"python39":  {},
 		"python312": {},
 	}
diff --git a/docs/gen-docs/kyma_init_function.md b/docs/gen-docs/kyma_init_function.md
index 28794c023..13f6b6841 100644
--- a/docs/gen-docs/kyma_init_function.md
+++ b/docs/gen-docs/kyma_init_function.md
@@ -25,6 +25,7 @@ kyma init function [flags]
   -r, --runtime string                  Flag used to define the environment for running your Function. Use one of these options:
                                         	- nodejs16 (deprecated)
                                         	- nodejs18 
+                                        	- nodejs20
                                         	- python39 (deprecated)
                                         	- python312 (default "nodejs18")
       --runtime-image-override string   Set custom runtime image base.