diff --git a/Cargo.lock b/Cargo.lock
index c9c90d20d..c38aef61b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4228,7 +4228,7 @@ dependencies = [
 [[package]]
 name = "opencadgraph"
 version = "0.1.0"
-source = "git+https://github.com/HakanSeven12/opencadgraph.git?rev=3baa891#3baa891d5606ce7183c2379c354ebdf1053bed0b"
+source = "git+https://github.com/HakanSeven12/opencadgraph.git?rev=39ef337#39ef3379cba693863335bb699f61f53b56212db4"
 dependencies = [
  "opencadkernel",
  "serde_json",
@@ -4237,7 +4237,7 @@ dependencies = [
 [[package]]
 name = "opencadkernel"
 version = "0.1.0"
-source = "git+https://github.com/HakanSeven12/opencadkernel.git?rev=b234308#b23430886ce9e72a19fe4f843a95a0e31d873477"
+source = "git+https://github.com/HakanSeven12/opencadkernel.git?rev=af749de#af749debbe2bd17ddda83d53ece499de7ef5619a"
 dependencies = [
  "cavalier_contours",
  "opencadcodec",
@@ -4248,7 +4248,7 @@ dependencies = [
 [[package]]
 name = "opencadkernel-constraints"
 version = "0.1.0"
-source = "git+https://github.com/HakanSeven12/opencadkernel.git?rev=b234308#b23430886ce9e72a19fe4f843a95a0e31d873477"
+source = "git+https://github.com/HakanSeven12/opencadkernel.git?rev=af749de#af749debbe2bd17ddda83d53ece499de7ef5619a"
 dependencies = [
  "nalgebra",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index aa7a4a01b..03cc20186 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,9 +35,9 @@ clap = { version = "4", features = ["derive", "string"] }
 env_logger = "0.11"
 log = "0.4"
 codec = { package = "opencadcodec", git = "https://github.com/HakanSeven12/opencadcodec.git", rev = "8189f83", features = ["serde"] }
-kernel = { package = "opencadkernel", git = "https://github.com/HakanSeven12/opencadkernel.git", rev = "b234308", features = ["acis", "offset"] }
-kernel-constraints = { package = "opencadkernel-constraints", git = "https://github.com/HakanSeven12/opencadkernel.git", rev = "b234308" }
-graph = { package = "opencadgraph", git = "https://github.com/HakanSeven12/opencadgraph.git", rev = "3baa891" }
+kernel = { package = "opencadkernel", git = "https://github.com/HakanSeven12/opencadkernel.git", rev = "af749de", features = ["acis", "offset"] }
+kernel-constraints = { package = "opencadkernel-constraints", git = "https://github.com/HakanSeven12/opencadkernel.git", rev = "af749de" }
+graph = { package = "opencadgraph", git = "https://github.com/HakanSeven12/opencadgraph.git", rev = "39ef337" }
 dwg-thumbnailer = { path = "crates/dwg-thumbnailer" }
 flate2 = "1"
 image = { version = "0.25", default-features = false, features = ["png", "jpeg", "bmp", "tiff"] }
diff --git a/src/entities/solid3d.rs b/src/entities/solid3d.rs
index e2e7c3add..4f36922bc 100644
--- a/src/entities/solid3d.rs
+++ b/src/entities/solid3d.rs
@@ -291,7 +291,7 @@ fn region_area_perimeter(region: &Region) -> (f64, f64) {
         };
         let curves = loops.iter().flatten().map(|curve| curve.transformed(&transform))
             .collect::<Option<Vec<_>>>()?;
-        let area = curves.iter().map(|curve| curve.enclosed_area()).sum::<f64>().abs();
+        let area = curves.iter().map(|curve| curve.chain_area()).sum::<f64>().abs();
         let perimeter = curves.iter().map(|curve| curve.length()).sum::<f64>();
         (area.is_finite() && perimeter.is_finite()).then_some((area, perimeter))
     })();