diff --git a/lake-manifest.json b/lake-manifest.json
index d52c3cb9c2957..70d448401917a 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -8,7 +8,7 @@
    "rev": "a1e0c27faaab8f63ddd7ab27d49c8bd2572c9656",
    "name": "batteries",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "nightly-testing",
+   "inputRev": "nightly-testing-2024-09-17",
    "inherited": false,
    "configFile": "lakefile.lean"},
   {"url": "https://github.com/leanprover-community/quote4",
diff --git a/lakefile.lean b/lakefile.lean
index 7ff1d428937c2..6c636b7d2b114 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 "nightly-testing-2024-09-17"
 require "leanprover-community" / "Qq" @ git "master"
 require "leanprover-community" / "aesop" @ git "master"
 require "leanprover-community" / "proofwidgets" @ git "v0.0.42"
diff --git a/lean-toolchain b/lean-toolchain
index f0bd487453c7c..43ad996f16ebb 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2024-09-17
+leanprover/lean4-pr-releases:pr-release-5389