diff --git a/lake-manifest.json b/lake-manifest.json
index 9da20fda5530e..7eb202797af39 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -65,10 +65,10 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "4424e8086db551c96443e0120bc7f879d4ffb9b5",
+   "rev": "4f9c2721f9cd1f0a4183949861a855f5e533943b",
    "name": "batteries",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "nightly-testing",
+   "inputRev": "lean-pr-testing-6475",
    "inherited": false,
    "configFile": "lakefile.toml"},
   {"url": "https://github.com/leanprover/lean4-cli",
diff --git a/lakefile.lean b/lakefile.lean
index 09bcbd0fc9e32..64de48af95b1c 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-6475"
 require "leanprover-community" / "Qq" @ git "v4.14.0"
 require "leanprover-community" / "aesop" @ git "nightly-testing"
 require "leanprover-community" / "proofwidgets" @ git "v0.0.49-pre1"
diff --git a/lean-toolchain b/lean-toolchain
index 574982285ebee..317c2a636134e 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2024-12-30
+leanprover/lean4-pr-releases:pr-release-6475