use only ethers v6.x

aggre · aggre · commit 975c2ec24e40 · 2023-07-14T23:15:02.000+09:00
diff --git a/package.json b/package.json
@@ -99,7 +99,7 @@
 		"ramda": "^0.29.0"
 	},
 	"peerDependencies": {
-		"ethers": "^5.0.0 || ^6.0.0"
+		"ethers": "^6.0.0"
 	},
 	"directories": {
 		"lib": "lib"
