diff --git a/lake-manifest.json b/lake-manifest.json
index 9a46214adb858..8c88a6de2c994 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -65,10 +65,10 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "037bd14985372e63b54df33ed78804aa2cbd74de",
+   "rev": "2c23cb1e22daad166bf1473893da24ddfeaed1a9",
    "name": "batteries",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "nightly-testing",
+   "inputRev": "lean-pr-testing-6403",
    "inherited": false,
    "configFile": "lakefile.toml"},
   {"url": "https://github.com/leanprover/lean4-cli",
diff --git a/lakefile.lean b/lakefile.lean
index 61588c0edad78..648cb1bae4e63 100644
--- a/lakefile.lean
+++ b/lakefile.lean
@@ -7,7 +7,7 @@ open Lake DSL
 ## Mathlib dependencies on upstream projects
 -/
 
-require "leanprover-community" / "batteries" @ git "nightly-testing"
+require "leanprover-community" / "batteries" @ git "lean-pr-testing-6403"
 require "leanprover-community" / "Qq" @ git "v4.14.0"
 require "leanprover-community" / "aesop" @ git "master"
 require "leanprover-community" / "proofwidgets" @ git "v0.0.48"
diff --git a/lean-toolchain b/lean-toolchain
index 565b8027fabc6..4dc6a62fc1c26 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2024-12-12
+leanprover/lean4-pr-releases:pr-release-6403