diff --git a/apps/hash-graph/docs/task-dependencies.json b/apps/hash-graph/docs/task-dependencies.json
index ad841e994d4..36ae95391b5 100644
--- a/apps/hash-graph/docs/task-dependencies.json
+++ b/apps/hash-graph/docs/task-dependencies.json
@@ -32,7 +32,12 @@
     },
     "compile": {
       "dependsOn": [],
-      "cache": false,
+      "env": [
+        "CARGO_PROFILE_*",
+        "RUNNER_ARCH",
+        "RUNNER_OS",
+        "RUSTFLAGS"
+      ],
       "affectedBy": [
         "darwin-kperf-codegen",
         "error-stack-macros"
diff --git a/apps/hash-graph/turbo.json b/apps/hash-graph/turbo.json
index e145b52630f..f510bcbf2fd 100644
--- a/apps/hash-graph/turbo.json
+++ b/apps/hash-graph/turbo.json
@@ -89,7 +89,14 @@
       ]
     },
     "compile": {
-      "command": ["cargo", "build", "--bin", "hash-graph", "--all-features"]
+      "command": ["cargo", "build", "--bin", "hash-graph", "--all-features"],
+      "cache": true,
+      // The root manifest carries the profiles and the workspace dependency versions.
+      "inputs": ["$TURBO_DEFAULT$", "$TURBO_ROOT$/Cargo.toml"],
+      "outputs": ["$TURBO_ROOT$/target/debug/hash-graph"],
+      // Turbo does not hash the platform, so a binary restored from the remote cache
+      // could otherwise come from another OS or architecture.
+      "env": ["CARGO_PROFILE_*", "RUSTFLAGS", "RUNNER_ARCH", "RUNNER_OS"]
     },
     "compile:release": {
       "command": [