diff --git a/Cargo.lock b/Cargo.lock
index c768882..1c54aeb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -361,9 +361,9 @@ dependencies = [
 
 [[package]]
 name = "fixedbitset"
-version = "0.4.2"
+version = "0.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
+checksum = "1d674e81391d1e1ab681a28d99df07927c6d4aa5b027d7da16ba32d1d21ecd99"
 
 [[package]]
 name = "funty"
@@ -431,9 +431,9 @@ checksum = "ce23b50ad8242c51a442f3ff322d56b02f08852c77e4c0b4d3fd684abc89c683"
 
 [[package]]
 name = "indexmap"
-version = "2.2.6"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "168fb715dda47215e360912c096649d23d58bf392ac62f73919e831745e40f26"
+checksum = "68b900aa2f7301e21c36462b170ee99994de34dff39a4a6a528e80e7376d07e5"
 dependencies = [
  "equivalent",
  "hashbrown",
@@ -525,8 +525,7 @@ dependencies = [
 [[package]]
 name = "petgraph"
 version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4c5cc86750666a3ed20bdaf5ca2a0344f9c67674cae0515bec2da16fbaa47db"
+source = "git+https://github.com/programmerjake/petgraph.git?rev=258ea8071209a924b73fe96f9f87a3b7b45cbc9f#258ea8071209a924b73fe96f9f87a3b7b45cbc9f"
 dependencies = [
  "fixedbitset",
  "indexmap",
diff --git a/Cargo.toml b/Cargo.toml
index b5325ad..50a4fb8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,12 +24,13 @@ clap = { version = "4.5.9", features = ["derive", "env", "string"] }
 ctor = "0.2.8"
 eyre = "0.6.12"
 hashbrown = "0.14.3"
-indexmap = { version = "2.2.6", features = ["serde"] }
+indexmap = { version = "2.5.0", features = ["serde"] }
 jobslot = "0.2.19"
 num-bigint = "0.4.6"
 num-traits = "0.2.16"
 os_pipe = "1.2.1"
-petgraph = "0.6.5"
+# TODO: switch back to crates.io once petgraph accepts PR #684 and releases a new version
+petgraph = { git = "https://github.com/programmerjake/petgraph.git", rev = "258ea8071209a924b73fe96f9f87a3b7b45cbc9f" }
 prettyplease = "0.2.20"
 proc-macro2 = "1.0.83"
 quote = "1.0.36"