diff --git a/Cargo.lock b/Cargo.lock
index d7287e79..76a70bcb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6003,7 +6003,7 @@ dependencies = [
 [[package]]
 name = "ogar-vocab"
 version = "0.1.0"
-source = "git+https://github.com/AdaWorldAPI/OGAR?branch=claude%2Fmedcare-bridge-lance-graph-wmx76z#c679bccb7996abffdf8de0a46d6700da992527d7"
+source = "git+https://github.com/AdaWorldAPI/OGAR?branch=main#19a6886eda1761d2b8f8d1b9a8397549877b0711"
 
 [[package]]
 name = "once_cell"
diff --git a/crates/lance-graph-ontology/Cargo.toml b/crates/lance-graph-ontology/Cargo.toml
index 476cd8c2..fee493b9 100644
--- a/crates/lance-graph-ontology/Cargo.toml
+++ b/crates/lance-graph-ontology/Cargo.toml
@@ -17,12 +17,12 @@ lance-graph-contract = { path = "../lance-graph-contract" }
 # (OpenProjectBridge, RedmineBridge, …) are type aliases over the
 # harness — the namespace / bridge_id / public-name-alias data all
 # come from OGAR class schema, not from this crate.
-# Pinned to the OGAR `claude/medcare-bridge-lance-graph-wmx76z` branch:
-# it carries `ports::PortSpec` + the project-mgmt ports (from
-# port-spec-trait) AND the new `HealthcarePort` + 0x09XX Health codebook
-# that `MedcareBridge = UnifiedBridge<HealthcarePort>` needs. Will move
-# to `branch = "main"` once both OGAR PRs merge.
-ogar-vocab = { git = "https://github.com/AdaWorldAPI/OGAR", branch = "claude/medcare-bridge-lance-graph-wmx76z" }
+# OGAR `main` carries `ports::PortSpec` + the project-mgmt ports AND the
+# `HealthcarePort` + 0x09XX Health codebook that
+# `MedcareBridge = UnifiedBridge<HealthcarePort>` needs (OGAR #91 merged).
+# Tracks `main`, matching the sibling `lance-graph-ogar` / `cognitive-stack`
+# / `symbiont` pins — one OGAR source for the whole graph.
+ogar-vocab = { git = "https://github.com/AdaWorldAPI/OGAR", branch = "main" }
 
 # TTL parser. oxttl is the smallest streaming Turtle parser in the workspace's
 # dependency graph and matches the shape of OGIT's per-entity .ttl files.
diff --git a/crates/lance-graph-ontology/src/bridges/medcare_bridge.rs b/crates/lance-graph-ontology/src/bridges/medcare_bridge.rs
index 79aecae9..e561f16b 100644
--- a/crates/lance-graph-ontology/src/bridges/medcare_bridge.rs
+++ b/crates/lance-graph-ontology/src/bridges/medcare_bridge.rs
@@ -83,7 +83,10 @@ ogit.Healthcare:Patient
         registry
             .hydrate_once_sync(tmp.path(), &["Healthcare"])
             .unwrap();
-        std::mem::forget(tmp);
+        // `hydrate_once_sync` parses the TTL into the in-memory registry, so
+        // the temp dir is no longer needed — let it drop (no leak). The
+        // earlier `std::mem::forget(tmp)` kept it alive unnecessarily
+        // (CodeRabbit, PR #582).
         registry
     }