diff --git a/flake.lock b/flake.lock
index e6c9f0f..216e641 100644
--- a/flake.lock
+++ b/flake.lock
@@ -42,11 +42,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1787412565,
-        "narHash": "sha256-M1y7JYDUzvOSYv0DWcCCmkL2DqDfQZePsKDrQf/Or6U=",
+        "lastModified": 1790187117,
+        "narHash": "sha256-/OTAjmwL0vZlQ5BDbT94W2X3iuNvr8VYtqtN5Ov1egA=",
         "owner": "argumentcomputer",
         "repo": "lean4-nix",
-        "rev": "1ecad9d6f99cf3255a858861c9a2e6966cdd0290",
+        "rev": "c8bce66594bbf62073d0097ca5ddc44321f2d14e",
         "type": "github"
       },
       "original": {
diff --git a/lake-manifest.json b/lake-manifest.json
index 128455d..f25abb9 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -5,10 +5,10 @@
    "type": "git",
    "subDir": null,
    "scope": "",
-   "rev": "b7eb3304aeae834b12dda98993a37f6a41f6f0bb",
+   "rev": "118aa17ee84656b8bd727fef7c458ee8c833385c",
    "name": "plausible",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "v4.33.0",
+   "inputRev": "v4.34.0",
    "inherited": false,
    "configFile": "lakefile.toml"}],
  "name": "LSpec",
diff --git a/lakefile.toml b/lakefile.toml
index 6490c28..331fd7f 100644
--- a/lakefile.toml
+++ b/lakefile.toml
@@ -6,7 +6,7 @@ testDriver = "tests"
 [[require]]
 name = "plausible"
 git = "https://github.com/leanprover-community/plausible"
-rev = "v4.33.0"
+rev = "v4.34.0"
 
 [[lean_lib]]
 name = "LSpec"
diff --git a/lean-toolchain b/lean-toolchain
index a8afa7d..12359f9 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:v4.33.1
+leanprover/lean4:v4.34.0