diff --git a/Cargo.lock b/Cargo.lock
index a89bcb02..18d64428 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -70,7 +70,7 @@ checksum = "366ffbaa4442f4684d91e2cd7c5ea7c4ed8add41959a31447066e279e432b618"
 [[package]]
 name = "acadifc"
 version = "0.5.0"
-source = "git+https://github.com/OpenAEC-Foundation/acadifc.git?rev=56f1596#56f159696c3f39fe119b96f23f922be154a15f8f"
+source = "git+https://github.com/OpenAEC-Foundation/acadifc.git?rev=6767b22#6767b22f17ac760f789edb82ec1e32760a8b6cca"
 dependencies = [
  "acadrust",
  "base64",
@@ -890,9 +890,10 @@ checksum = "fc652a48c352aef3ea3aed32080501cf3ef6ed5da78602a020c991775b0aff04"
 [[package]]
 name = "cadkernel"
 version = "0.1.0"
-source = "git+https://github.com/HakanSeven12/cadkernel.git?rev=435f7f1#435f7f12895460956dfaf0434495454187c4d2de"
+source = "git+https://github.com/HakanSeven12/cadkernel.git?rev=ba7292c#ba7292c152ef5069b0bcf8c86730db75339fc383"
 dependencies = [
  "cavalier_contours",
+ "spade",
 ]
 
 [[package]]
@@ -4658,6 +4659,12 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "robust"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e27ee8bb91ca0adcf0ecb116293afa12d393f9c2b9b9cd54d33e8078fe19839"
+
 [[package]]
 name = "roxmltree"
 version = "0.20.0"
@@ -5202,6 +5209,18 @@ dependencies = [
  "x11rb",
 ]
 
+[[package]]
+name = "spade"
+version = "2.15.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9699399fd9349b00b184f5635b074f9ec93afffef30c853f8c875b32c0f8c7fa"
+dependencies = [
+ "hashbrown 0.16.1",
+ "num-traits",
+ "robust",
+ "smallvec",
+]
+
 [[package]]
 name = "spirv"
 version = "0.4.0+sdk-1.4.341.0"
diff --git a/Cargo.toml b/Cargo.toml
index 6386e177..817eb5e9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ env_logger = "0.11"
 # The CAD stack is reached through acadifc, which re-exports the codec and
 # the geometry kernel. Aliased to `acadrust` so existing `use acadrust::…`
 # paths keep resolving.
-acadrust = { package = "acadifc", git = "https://github.com/OpenAEC-Foundation/acadifc.git", rev = "56f1596", features = ["serde", "offset"] }
+acadrust = { package = "acadifc", git = "https://github.com/OpenAEC-Foundation/acadifc.git", rev = "6767b22", features = ["serde", "offset"] }
 dwg-thumbnailer = { path = "crates/dwg-thumbnailer" }
 flate2 = "1"
 image = { version = "0.25", default-features = false, features = ["png", "jpeg", "bmp", "tiff"] }
diff --git a/crates/ocs_plugin_api/Cargo.toml b/crates/ocs_plugin_api/Cargo.toml
index f92f2cef..33061ced 100644
--- a/crates/ocs_plugin_api/Cargo.toml
+++ b/crates/ocs_plugin_api/Cargo.toml
@@ -9,7 +9,7 @@ license = "GPL-3.0-only"
 # Pulled in only by the `host` feature, which adds the `acadrust`-typed
 # `HostApi` runtime surface. The default crate stays dependency-free so engine
 # crates and external tooling can depend on the manifest/ribbon contract cheaply.
-acadrust = { package = "acadifc", git = "https://github.com/OpenAEC-Foundation/acadifc.git", rev = "56f1596", optional = true, features = ["serde"] }
+acadrust = { package = "acadifc", git = "https://github.com/OpenAEC-Foundation/acadifc.git", rev = "6767b22", optional = true, features = ["serde"] }
 
 # Runtime IPC and serialization (host feature only).
 interprocess = { version = "2", optional = true }
diff --git a/crates/ocs_web_worker/Cargo.toml b/crates/ocs_web_worker/Cargo.toml
index 92e33055..c11d685f 100644
--- a/crates/ocs_web_worker/Cargo.toml
+++ b/crates/ocs_web_worker/Cargo.toml
@@ -8,7 +8,7 @@ publish = false
 crate-type = ["cdylib"]
 
 [dependencies]
-acadrust = { package = "acadifc", git = "https://github.com/OpenAEC-Foundation/acadifc.git", rev = "56f1596", features = ["serde"] }
+acadrust = { package = "acadifc", git = "https://github.com/OpenAEC-Foundation/acadifc.git", rev = "6767b22", features = ["serde"] }
 bincode = "1.3"
 console_error_panic_hook = "0.1"
 getrandom = { version = "0.3", features = ["wasm_js"] }