diff --git a/rust/Cargo.lock b/rust/Cargo.lock
index 0608f52..c294017 100644
--- a/rust/Cargo.lock
+++ b/rust/Cargo.lock
@@ -96,7 +96,7 @@ checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"
 [[package]]
 name = "ournotes-sim"
 version = "0.0.1"
-source = "git+https://github.com/empty-sekai/ournotes-deck?rev=e27d289d549aff74955977659e1bee5c72d6a4f5#e27d289d549aff74955977659e1bee5c72d6a4f5"
+source = "git+https://github.com/empty-sekai/ournotes-deck?rev=ddf212b601731f9ab74245119d4408d2746a370c#ddf212b601731f9ab74245119d4408d2746a370c"
 dependencies = [
  "serde",
  "serde_json",
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 8986489..2e45adc 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -16,7 +16,7 @@ crate-type = ["cdylib"]
 pyo3 = { version = "0.29", features = ["abi3-py311"] }
 # the deck model, the crate ournotes-sim of the ournotes-deck repository, pinned by commit;
 # .github/workflows/deck.yml opens a pull request when ournotes-deck's main moves
-ournotes-sim = { git = "https://github.com/empty-sekai/ournotes-deck", rev = "e27d289d549aff74955977659e1bee5c72d6a4f5" }
+ournotes-sim = { git = "https://github.com/empty-sekai/ournotes-deck", rev = "ddf212b601731f9ab74245119d4408d2746a370c" }
 serde_json = { version = "1", features = ["raw_value", "arbitrary_precision"] }
 
 [profile.release]