diff --git a/core.json b/core.json
index af29f0b..3cda693 100644
--- a/core.json
+++ b/core.json
@@ -115,7 +115,7 @@
 	"sys": [">= 0.4 && < 0.7", ">= 0.8"],
 	"node:sys": [">= 14.18 && < 15", ">= 16"],
 	"test/reporters": ">= 19.9 && < 20.2",
-	"node:test/reporters": [">= 19.9", ">= 20"],
+	"node:test/reporters": [">= 18.17 && < 19", ">= 19.9", ">= 20"],
 	"node:test": [">= 16.17 && < 17", ">= 18"],
 	"timers": true,
 	"node:timers": [">= 14.18 && < 15", ">= 16"],
@@ -149,8 +149,8 @@
 	"node:v8": [">= 14.18 && < 15", ">= 16"],
 	"vm": true,
 	"node:vm": [">= 14.18 && < 15", ">= 16"],
-	"wasi": [">= 13.4 && < 13.5", ">= 20"],
-	"node:wasi": ">= 20",
+	"wasi": [">= 13.4 && < 13.5", ">= 18.17 && < 19", ">= 20"],
+	"node:wasi": [">= 18.17 && < 19", ">= 20"],
 	"worker_threads": ">= 11.7",
 	"node:worker_threads": [">= 14.18 && < 15", ">= 16"],
 	"zlib": ">= 0.5",