diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 785f0500b..58de2cdc2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -428,8 +428,8 @@ importers:
         specifier: ^4.2.19
         version: 4.2.19
       svelte-jester:
-        specifier: ^3.0.0
-        version: 3.0.0(jest@29.7.0(@types/node@20.14.12))(svelte@4.2.19)
+        specifier: ^5.0.0
+        version: 5.0.0(jest@29.7.0(@types/node@20.14.12))(svelte@4.2.19)
       typescript:
         specifier: ^5.6.3
         version: 5.6.3
@@ -7451,9 +7451,9 @@ packages:
       svelte:
         optional: true
 
-  svelte-jester@3.0.0:
-    resolution: {integrity: sha512-V279cL906++hn00hkL1xAr/y5OjjxPYWic1g0yTJFmqdbdWKthdcuP3XBvmmwP9AzFBT51DlPgXz56HItle1Ug==}
-    engines: {node: '>=16', pnpm: ^8.0.0}
+  svelte-jester@5.0.0:
+    resolution: {integrity: sha512-12UnqprvUClFZHmx8O9exOK5ncHdESMIVG7FM9wRCEBzHbtigsklwKB+Q3AyKPsCrrOS920f9ZbYFk4PO0sEnQ==}
+    engines: {node: '>=18', pnpm: ^8.0.0}
     peerDependencies:
       jest: '>= 27'
       svelte: '>= 3'
@@ -17423,7 +17423,7 @@ snapshots:
     optionalDependencies:
       svelte: 4.2.19
 
-  svelte-jester@3.0.0(jest@29.7.0(@types/node@20.14.12))(svelte@4.2.19):
+  svelte-jester@5.0.0(jest@29.7.0(@types/node@20.14.12))(svelte@4.2.19):
     dependencies:
       jest: 29.7.0(@types/node@20.14.12)
       svelte: 4.2.19
diff --git a/test/unit/package.json b/test/unit/package.json
index ab345c812..a8bd62cbc 100644
--- a/test/unit/package.json
+++ b/test/unit/package.json
@@ -40,7 +40,7 @@
     "shepherd.js": "workspace:*",
     "start-server-and-test": "^2.0.8",
     "svelte": "^4.2.19",
-    "svelte-jester": "^3.0.0",
+    "svelte-jester": "^5.0.0",
     "typescript": "^5.6.3"
   },
   "packageManager": "pnpm@9.2.0",