diff --git a/lake-manifest.json b/lake-manifest.json
index e4c7448..c311200 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -5,10 +5,10 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover",
-   "rev": "c24fe6078c630e89b489bffe59b3e20ac30d12c8",
+   "rev": "34d2efffcb6dc8d5f3537cf6a7f88bfaa999ec49",
    "name": "Cli",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "v4.35.0",
+   "inputRev": "v4.36.0-rc1",
    "inherited": false,
    "configFile": "lakefile.toml"}],
  "name": "importGraph",
diff --git a/lakefile.toml b/lakefile.toml
index 663573d..ba8ff4d 100644
--- a/lakefile.toml
+++ b/lakefile.toml
@@ -9,7 +9,7 @@ testRunner = "ImportGraphTest"
 [[require]]
 name = "Cli"
 scope = "leanprover"
-rev = "v4.35.0"
+rev = "v4.36.0-rc1"
 
 [[lean_lib]]
 name = "ImportGraph"
diff --git a/lean-toolchain b/lean-toolchain
index a6aff06..2afd387 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:v4.35.0
+leanprover/lean4:v4.36.0-rc1