diff --git a/lake-manifest.json b/lake-manifest.json
index c142a43eb372c..de3009ceb82c8 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -65,10 +65,10 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "40495df9c96ce06af13af49a33de9c038a8e0765",
+   "rev": "e008cd49be290c37eb77df4a933bc4ba00eb9138",
    "name": "batteries",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "nightly-testing",
+   "inputRev": "lean-pr-testing-6852",
    "inherited": false,
    "configFile": "lakefile.toml"},
   {"url": "https://github.com/leanprover/lean4-cli",
diff --git a/lakefile.lean b/lakefile.lean
index e88fbe1ca0e8d..7ecdaf0bc254b 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-6852"
 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 75bd3037d7348..7969ec7414965 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2025-01-31
+leanprover/lean4-pr-releases:pr-release-6852