diff --git a/lake-manifest.json b/lake-manifest.json
index 1ddde84cefab3..2d848e2b75605 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -65,10 +65,10 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "20c29cc7dc774ec30bcb2eca0307ab324a70c7e7",
+   "rev": "04fa62df03a8458292036007c31c37202c59b417",
    "name": "batteries",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "nightly-testing",
+   "inputRev": "lean-pr-testing-6821",
    "inherited": false,
    "configFile": "lakefile.toml"},
   {"url": "https://github.com/leanprover/lean4-cli",
diff --git a/lakefile.lean b/lakefile.lean
index e7ef317cab8b2..9acacb99a9235 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-6821"
 require "leanprover-community" / "Qq" @ git "v4.15.0"
 require "leanprover-community" / "aesop" @ git "v4.16.0-rc1"
 require "leanprover-community" / "proofwidgets" @ git "v0.0.51-pre"
diff --git a/lean-toolchain b/lean-toolchain
index 3c43088f8e12e..6b15dd3b6a823 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2025-01-28
+leanprover/lean4-pr-releases:pr-release-6821