diff --git a/package.json b/package.json
index 82b7e4a3..2be62ff8 100644
--- a/package.json
+++ b/package.json
@@ -136,7 +136,7 @@
   "dependencies": {
     "@flex-development/errnode": "3.1.1",
     "@flex-development/is-builtin": "3.2.0",
-    "@flex-development/pathe": "3.0.0",
+    "@flex-development/pathe": "4.0.0",
     "@flex-development/pkg-types": "4.1.0",
     "devlop": "1.1.0"
   },
diff --git a/src/lib/resolver.mts b/src/lib/resolver.mts
index 14c3b8e0..fb446095 100644
--- a/src/lib/resolver.mts
+++ b/src/lib/resolver.mts
@@ -763,7 +763,7 @@ async function packageResolve(
     let packageUrl: URL = new URL(`node_modules/${packageName}/`, parentUrl)
 
     // set parentUrl to the parent folder URL of parentUrl
-    parentUrl = new URL(pathe.dirname(parentUrl.href) + pathe.sep)
+    parentUrl = new URL(pathe.dirname(parentUrl.href))
 
     // continue if the folder at packageUrl does not exist
     if (!(await isDirectory(packageUrl, fs))) continue
diff --git a/yarn.lock b/yarn.lock
index f1079ac5..ababbd5e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1772,7 +1772,7 @@ __metadata:
     "@flex-development/import-regex": "npm:3.0.0"
     "@flex-development/is-builtin": "npm:3.2.0"
     "@flex-development/mkbuild": "npm:1.0.0-alpha.23"
-    "@flex-development/pathe": "npm:3.0.0"
+    "@flex-development/pathe": "npm:4.0.0"
     "@flex-development/pkg-types": "npm:4.1.0"
     "@flex-development/tsconfig-utils": "npm:2.0.2"
     "@flex-development/tutils": "npm:6.0.0-alpha.25"
@@ -1926,15 +1926,15 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@flex-development/pathe@npm:3.0.0":
-  version: 3.0.0
-  resolution: "@flex-development/pathe@npm:3.0.0::__archiveUrl=https%3A%2F%2Fnpm.pkg.github.com%2Fdownload%2F%40flex-development%2Fpathe%2F3.0.0%2Ff1d6b40176ea285956642006641bf29da4690ea4"
+"@flex-development/pathe@npm:4.0.0":
+  version: 4.0.0
+  resolution: "@flex-development/pathe@npm:4.0.0::__archiveUrl=https%3A%2F%2Fnpm.pkg.github.com%2Fdownload%2F%40flex-development%2Fpathe%2F4.0.0%2F6c58f274044f4d5a8d2453ed5f3de044a5e94da3"
   dependencies:
     "@flex-development/errnode": "npm:3.1.1"
     "@types/micromatch": "npm:4.0.9"
     micromatch: "npm:4.0.8"
     punycode.js: "npm:2.3.1"
-  checksum: 10/9b4ced7e24a4dc5eb61e9b7378c149f2d00c00b4561c4360a55ff45149616ba7ac786f53543d3b9d76127909a0829f85128972aee074d53c03129a075cad8265
+  checksum: 10/33489adc7e4d9f2ab73c98e854d2ed733a28e521fbbc59e6714ffe51dc5b6b68054525ec7ba44cef84c19a6e56313bcccf04a9b7943b67d587b87939825f1ae0
   languageName: node
   linkType: hard