diff --git a/.changeset/ten-colts-melt.md b/.changeset/ten-colts-melt.md
new file mode 100644
index 0000000000..7cfe4dcfb4
--- /dev/null
+++ b/.changeset/ten-colts-melt.md
@@ -0,0 +1,5 @@
+---
+"@pnpm/resolve-dependencies": patch
+---
+
+Don't fail when publishedBy date cannot be calculated.
diff --git a/packages/core/test/install/timeBasedResolutionMode.ts b/packages/core/test/install/timeBasedResolutionMode.ts
index a13d598378..ada4a42054 100644
--- a/packages/core/test/install/timeBasedResolutionMode.ts
+++ b/packages/core/test/install/timeBasedResolutionMode.ts
@@ -42,3 +42,8 @@ test('the lowest version of a direct dependency is installed when resolution mod
     '@pnpm.e2e/foo': '^100.1.0',
   })
 })
+
+test('time-based resolution mode should not fail when publishedBy date cannot be calculated', async () => {
+  prepareEmpty()
+  await install({}, await testDefaults({ resolutionMode: 'time-based' }))
+})
diff --git a/packages/resolve-dependencies/src/resolveDependencies.ts b/packages/resolve-dependencies/src/resolveDependencies.ts
index aca8d9a729..5ce3eb8c7f 100644
--- a/packages/resolve-dependencies/src/resolveDependencies.ts
+++ b/packages/resolve-dependencies/src/resolveDependencies.ts
@@ -355,8 +355,10 @@ async function resolveDependenciesOfImporters (
   let time: Record<string, string> | undefined
   if (ctx.resolutionMode === 'time-based') {
     const result = getPublishedByDate(resolveResults.map(({ pkgAddresses }) => pkgAddresses).flat(), ctx.wantedLockfile.time)
-    publishedBy = new Date(result.publishedBy.getTime() + 60 * 60 * 1000) // adding 1 hour delta
-    time = result.newTime
+    if (result.publishedBy) {
+      publishedBy = new Date(result.publishedBy.getTime() + 60 * 60 * 1000) // adding 1 hour delta
+      time = result.newTime
+    }
   }
   const pkgAddressesByImportersWithoutPeers = await Promise.all(zipWith(async (importer, { pkgAddresses, postponedResolutionsQueue }) => {
     const newPreferredVersions = { ...importer.preferredVersions }