diff --git a/gio/gioenums.h b/gio/gioenums.h
index d83ea76f5..03f3de933 100644
--- a/gio/gioenums.h
+++ b/gio/gioenums.h
@@ -1744,7 +1744,7 @@ typedef enum /*< flags >*/ {
  * example, you may not request both %G_SUBPROCESS_FLAGS_STDOUT_PIPE and
  * %G_SUBPROCESS_FLAGS_STDOUT_SILENCE.
  *
- * Since: 2.36
+ * Since: 2.40
  **/
 typedef enum {
   G_SUBPROCESS_FLAGS_NONE                  = 0,
diff --git a/gio/giotypes.h b/gio/giotypes.h
index 7667b58f7..9efc54ec9 100644
--- a/gio/giotypes.h
+++ b/gio/giotypes.h
@@ -518,7 +518,7 @@ typedef struct _GTestDBus GTestDBus;
  *
  * A child process.
  *
- * Since: 2.36
+ * Since: 2.40
  */
 typedef struct _GSubprocess                   GSubprocess;
 /**