diff --git a/lake-manifest.json b/lake-manifest.json
index 29febd020e..d7cf8a3a18 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -10,9 +10,9 @@
   {"git":
    {"url": "https://github.com/leanprover-community/lean3port.git",
     "subDir?": null,
-    "rev": "e10bf04eafb086f16da757e983917fce937e9f78",
+    "rev": "af3675b09c625aaf390b3874cbdac583a0186804",
     "name": "lean3port",
-    "inputRev?": "e10bf04eafb086f16da757e983917fce937e9f78"}},
+    "inputRev?": "af3675b09c625aaf390b3874cbdac583a0186804"}},
   {"git":
    {"url": "https://github.com/mhuisi/lean4-cli.git",
     "subDir?": null,
diff --git a/lakefile.lean b/lakefile.lean
index 5240a7ba5e..d4080bfd98 100644
--- a/lakefile.lean
+++ b/lakefile.lean
@@ -4,7 +4,7 @@ open Lake DSL System
 -- Usually the `tag` will be of the form `nightly-2021-11-22`.
 -- If you would like to use an artifact from a PR build,
 -- it will be of the form `pr-branchname-sha`.
-def tag : String := "nightly-2023-07-22-23"
+def tag : String := "nightly-2023-07-23-01"
 def releaseRepo : String := "leanprover-community/mathport"
 def oleanTarName : String := "mathlib3-binport.tar.gz"
 
@@ -38,7 +38,7 @@ target fetchOleans (_pkg : Package) : Unit := do
     untarReleaseArtifact releaseRepo tag oleanTarName libDir
   return .nil
 
-require lean3port from git "https://github.com/leanprover-community/lean3port.git"@"e10bf04eafb086f16da757e983917fce937e9f78"
+require lean3port from git "https://github.com/leanprover-community/lean3port.git"@"af3675b09c625aaf390b3874cbdac583a0186804"
 
 @[default_target]
 lean_lib Mathbin where