diff --git a/Cargo.lock b/Cargo.lock
index b0f6b8c..41e9874 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -269,6 +269,12 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
 
+[[package]]
+name = "fixedbitset"
+version = "0.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d674e81391d1e1ab681a28d99df07927c6d4aa5b027d7da16ba32d1d21ecd99"
+
 [[package]]
 name = "getrandom"
 version = "0.2.15"
@@ -297,12 +303,6 @@ dependencies = [
  "rayon",
 ]
 
-[[package]]
-name = "hashbrown"
-version = "0.15.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
-
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -311,12 +311,12 @@ checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
 [[package]]
 name = "indexmap"
-version = "2.7.0"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62f822373a4fe84d4bb149bf54e584a7f4abec90e072ed49cda0edea5b95471f"
+checksum = "68b900aa2f7301e21c36462b170ee99994de34dff39a4a6a528e80e7376d07e5"
 dependencies = [
  "equivalent",
- "hashbrown 0.15.2",
+ "hashbrown",
  "rayon",
 ]
 
@@ -573,11 +573,11 @@ checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
 
 [[package]]
 name = "petgraph"
-version = "0.6.5"
+version = "0.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4c5cc86750666a3ed20bdaf5ca2a0344f9c67674cae0515bec2da16fbaa47db"
+checksum = "c94eb96835f05ec51384814c9b2daef83f68486f67a0e2e9680e0f698dca808e"
 dependencies = [
- "fixedbitset",
+ "fixedbitset 0.5.7",
  "indexmap",
 ]
 
@@ -749,8 +749,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ef8108bdaf5b590d2ea261c6ca9b1795cbf253d0733b2e209b7990c95ed23843"
 dependencies = [
  "ahash",
- "fixedbitset",
- "hashbrown 0.14.5",
+ "fixedbitset 0.4.2",
+ "hashbrown",
  "indexmap",
  "ndarray",
  "num-traits",