diff --git a/MyIA.AI.Notebooks/Probas/decision_theory_lean/lake-manifest.json b/MyIA.AI.Notebooks/Probas/decision_theory_lean/lake-manifest.json
index 80351e3c6d..b18a30e748 100644
--- a/MyIA.AI.Notebooks/Probas/decision_theory_lean/lake-manifest.json
+++ b/MyIA.AI.Notebooks/Probas/decision_theory_lean/lake-manifest.json
@@ -5,17 +5,17 @@
    "type": "git",
    "subDir": null,
    "scope": "",
-   "rev": "520045ab14e26149ee970e2e617ca04b09bde5d6",
+   "rev": "db584cd6d46c92f209a44c0f1c829460d327499d",
    "name": "mathlib",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "v4.32.1",
+   "inputRev": "db584cd6d46c92f209a44c0f1c829460d327499d",
    "inherited": false,
    "configFile": "lakefile.lean"},
   {"url": "https://github.com/leanprover-community/plausible",
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "e12c1910fe855cbfc38803cd4e55543906d5fa62",
+   "rev": "b7eb3304aeae834b12dda98993a37f6a41f6f0bb",
    "name": "plausible",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
@@ -25,7 +25,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "c5d5b8fe6e5158def25cd28eb94e4141ad97c843",
+   "rev": "5f4d51b81cbd3f6b32b156bfad9056621a040404",
    "name": "LeanSearchClient",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
@@ -35,7 +35,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "7e9612bf0b9ee66db3cb5b9988a35afc706f5a12",
+   "rev": "16f02aa7642864af59f1ff0e384a015994db9118",
    "name": "importGraph",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
@@ -45,7 +45,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "6e311e2a844da9b2cc3971187df2fe0066947b93",
+   "rev": "4be2e3d5087eeb272cf5a8853b8f9dd025ef5957",
    "name": "proofwidgets",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
@@ -55,7 +55,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "a7dbf0c63b694e47f425f3dcddbc0e178bb432d3",
+   "rev": "3448c0bcc5ce01b2d1546e483ec3620e32df3d0e",
    "name": "aesop",
    "manifestFile": "lake-manifest.json",
    "inputRev": "master",
@@ -65,7 +65,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "38d591e778f100aec9762bb582f9c7f55f50e9dc",
+   "rev": "92c15be17b7caf78c2ad767ec40f89052d908d81",
    "name": "Qq",
    "manifestFile": "lake-manifest.json",
    "inputRev": "master",
@@ -75,7 +75,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "023ce7d62a0531e22a5331e20b587817a80d49ff",
+   "rev": "4488d40d070b9700d4d5a6aa342f0d40c31b2a2d",
    "name": "batteries",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
@@ -85,10 +85,10 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover",
-   "rev": "88679d088c9720c27ebdf2ba4dafe17341747f94",
+   "rev": "6130a47896ce867c6a4a55373441e59e565bad0f",
    "name": "Cli",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "v4.32.0",
+   "inputRev": "v4.33.0",
    "inherited": true,
    "configFile": "lakefile.toml"}],
  "name": "decision_theory_lean",
diff --git a/MyIA.AI.Notebooks/Probas/decision_theory_lean/lakefile.lean b/MyIA.AI.Notebooks/Probas/decision_theory_lean/lakefile.lean
index 747747f292..91f9307ffb 100644
--- a/MyIA.AI.Notebooks/Probas/decision_theory_lean/lakefile.lean
+++ b/MyIA.AI.Notebooks/Probas/decision_theory_lean/lakefile.lean
@@ -5,7 +5,7 @@ package decision_theory_lean where
   leanOptions := #[⟨`autoImplicit, false⟩, ⟨`pp.unicode.fun, true⟩]
 
 require mathlib from git
-  "https://github.com/leanprover-community/mathlib4.git" @ "v4.32.1"
+  "https://github.com/leanprover-community/mathlib4.git" @ "db584cd6d46c92f209a44c0f1c829460d327499d"
 
 -- Convention i18n EPIC #4980 (ratifiée user 04/07, finding 2 ai-01) :
 -- `globs` (et non `roots`) pour que `lake build` auto-découvre les siblings
diff --git a/MyIA.AI.Notebooks/Probas/decision_theory_lean/lean-toolchain b/MyIA.AI.Notebooks/Probas/decision_theory_lean/lean-toolchain
index 2b61957be5..025e59548e 100644
--- a/MyIA.AI.Notebooks/Probas/decision_theory_lean/lean-toolchain
+++ b/MyIA.AI.Notebooks/Probas/decision_theory_lean/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:v4.32.1
+leanprover/lean4:v4.33.0