diff --git a/lake-manifest.json b/lake-manifest.json
index 044c8fb955bab..f5f07581197d7 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -65,10 +65,10 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "85cadff63aab36f19c18434921628449ab540bd6",
+   "rev": "5e43d16e2c941266107581e28fcbed760a2a1d5e",
    "name": "batteries",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "nightly-testing",
+   "inputRev": "lean-pr-testing-6212",
    "inherited": false,
    "configFile": "lakefile.toml"},
   {"url": "https://github.com/leanprover/lean4-cli",
diff --git a/lakefile.lean b/lakefile.lean
index 5c55a15c5c5e2..414c2861bfd9f 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-6212"
 require "leanprover-community" / "Qq" @ git "nightly-testing"
 require "leanprover-community" / "aesop" @ git "nightly-testing"
 require "leanprover-community" / "proofwidgets" @ git "v0.0.46"
diff --git a/lean-toolchain b/lean-toolchain
index 22be24ab2e033..5ed2a5e2db70c 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2024-11-24
+leanprover/lean4-pr-releases:pr-release-6212