diff --git a/bun.lock b/bun.lock
index 3b6f3fe946..31c9253ef8 100644
--- a/bun.lock
+++ b/bun.lock
@@ -346,7 +346,7 @@
         "@clack/prompts": "1.0.0-alpha.1",
         "@effect/opentelemetry": "catalog:",
         "@effect/platform-node": "catalog:",
-        "@ff-labs/fff-bun": "0.6.1",
+        "@ff-labs/fff-bun": "0.6.4",
         "@gitlab/opencode-gitlab-auth": "1.3.3",
         "@hono/node-server": "1.19.11",
         "@hono/node-ws": "1.3.0",
@@ -1185,23 +1185,23 @@
 
     "@fastify/rate-limit": ["@fastify/rate-limit@10.3.0", "", { "dependencies": { "@lukeed/ms": "^2.0.2", "fastify-plugin": "^5.0.0", "toad-cache": "^3.7.0" } }, "sha512-eIGkG9XKQs0nyynatApA3EVrojHOuq4l6fhB4eeCk4PIOeadvOJz9/4w3vGI44Go17uaXOWEcPkaD8kuKm7g6Q=="],
 
-    "@ff-labs/fff-bin-darwin-arm64": ["@ff-labs/fff-bin-darwin-arm64@0.6.1", "", { "os": "darwin", "cpu": "arm64" }, "sha512-l9e19O3oFrJboSNRYQcgEEXFhOItxv/rkLxqSqXpbc16iewn4d5lPnv4yBD9qnPo8CcnmSJHDIY8s7Z5VhDRCQ=="],
+    "@ff-labs/fff-bin-darwin-arm64": ["@ff-labs/fff-bin-darwin-arm64@0.6.4", "", { "os": "darwin", "cpu": "arm64" }, "sha512-IiLrUeVL+6oeHlzyBGp6ACrb4j7vl66/GXtkoSASVtXJGt5J3IH9m9OvQTwwBxrQtPSgb0tI7TvdYPX0RGH9Qg=="],
 
-    "@ff-labs/fff-bin-darwin-x64": ["@ff-labs/fff-bin-darwin-x64@0.6.1", "", { "os": "darwin", "cpu": "x64" }, "sha512-cb4JIfqC2zIRNbSZe/rc4ypT4Y7UiBsJ8/i8Ak1k8UWqpoYZ6tSOXgct6P9tgLDPtRU8pozV+8+n5U3g86yK7g=="],
+    "@ff-labs/fff-bin-darwin-x64": ["@ff-labs/fff-bin-darwin-x64@0.6.4", "", { "os": "darwin", "cpu": "x64" }, "sha512-COd27jhKVKIsLT3krQ2DrOkgMYJ5jPSnRLrbarwtYe5jVbayKR6N4wUhtGF3VXWnNoYTNstq2uBYcHphOp5AkQ=="],
 
-    "@ff-labs/fff-bin-linux-arm64-gnu": ["@ff-labs/fff-bin-linux-arm64-gnu@0.6.1", "", { "os": "linux", "cpu": "arm64" }, "sha512-c86ybRKMLczxq5DxNs+UrxeQIyUBOX5aoTPvpfbh6bRL3lCJLA5JZNHLSUNUsdklhp2YMmDs5Aj1kTwb/nX/UQ=="],
+    "@ff-labs/fff-bin-linux-arm64-gnu": ["@ff-labs/fff-bin-linux-arm64-gnu@0.6.4", "", { "os": "linux", "cpu": "arm64" }, "sha512-E2UWCgpBwCPWaupHnn7RAmHjyCyEmKwruaMyigTjI2tg6gXYvoAIjNR+TGsKkTqGl0B1BmP0sD8Uh65K5koxTQ=="],
 
-    "@ff-labs/fff-bin-linux-arm64-musl": ["@ff-labs/fff-bin-linux-arm64-musl@0.6.1", "", { "os": "linux", "cpu": "arm64" }, "sha512-1AMfgovae7OoCy8e7wp50vMb053MyM8/Mtd+muRU8U3BmKHxnmbRuhl8oIPBBOHqK8WbJFeSxAv6iK7GIYRkFw=="],
+    "@ff-labs/fff-bin-linux-arm64-musl": ["@ff-labs/fff-bin-linux-arm64-musl@0.6.4", "", { "os": "linux", "cpu": "arm64" }, "sha512-t9K3NzYkBxK2UYp6Xy7Lac/RAL+cWa+78HcRNI693k0U9c6G65J2/cVn5SVOiJ1EcnEnC3MCuPsCEmj/9d3Pqw=="],
 
-    "@ff-labs/fff-bin-linux-x64-gnu": ["@ff-labs/fff-bin-linux-x64-gnu@0.6.1", "", { "os": "linux", "cpu": "x64" }, "sha512-q/cUHWfiJHg14SjJqVnu6nhPt/432R1lhUx99TKyb3vsqKS7+LP8S9kju7I4oEkJ23HxcnZ0muavCwapT+7R3Q=="],
+    "@ff-labs/fff-bin-linux-x64-gnu": ["@ff-labs/fff-bin-linux-x64-gnu@0.6.4", "", { "os": "linux", "cpu": "x64" }, "sha512-tNSYpZok9HpXZoAlTEWbJF0ZQtZKZNmpyU2WfVRa3WhsPZ/ej+YUuPEPI83OYRqxy4F0OVtGYCqj7dos/AVSLg=="],
 
-    "@ff-labs/fff-bin-linux-x64-musl": ["@ff-labs/fff-bin-linux-x64-musl@0.6.1", "", { "os": "linux", "cpu": "x64" }, "sha512-Yt0dtbOAiNrRzerlRAehonJ1abaOULoOenDrswToBUnUudMav86hxKNcWY3WntU7dFbRiZyGMhiGKse2qDmlGw=="],
+    "@ff-labs/fff-bin-linux-x64-musl": ["@ff-labs/fff-bin-linux-x64-musl@0.6.4", "", { "os": "linux", "cpu": "x64" }, "sha512-GHJhJ3P7cGth4F0VTyoe3maFQT0cW+RbMm7R5XKkNZZW2rNtR+4jo+neAU4gchYH6jv7ajCB5HQdNBcou8zxKA=="],
 
-    "@ff-labs/fff-bin-win32-arm64": ["@ff-labs/fff-bin-win32-arm64@0.6.1", "", { "os": "win32", "cpu": "arm64" }, "sha512-pNE3VZ4noafA9cj5XyTSHY4k4I1q0EgflQFAPI/kC+R6gLl6ZB0meJ6at+PWmeKGzkg34t6zc+cbs4G5UJcCvA=="],
+    "@ff-labs/fff-bin-win32-arm64": ["@ff-labs/fff-bin-win32-arm64@0.6.4", "", { "os": "win32", "cpu": "arm64" }, "sha512-+wmwbeoAvkce2ZduY1FSjzMnmE4LNJDpXa1q++mTz+/LsUvjPBl1dSchvXxuyLzKAqhigHpJ1k9Xull0iIDUjQ=="],
 
-    "@ff-labs/fff-bin-win32-x64": ["@ff-labs/fff-bin-win32-x64@0.6.1", "", { "os": "win32", "cpu": "x64" }, "sha512-f8s/VCFUtMJsvLZCD6YWJRsUA13BxuxKTlPQ1RgF7y4V8ugC304Ic3xLfJApfs5mEixDeWinE7Hh3bJL4W9i2Q=="],
+    "@ff-labs/fff-bin-win32-x64": ["@ff-labs/fff-bin-win32-x64@0.6.4", "", { "os": "win32", "cpu": "x64" }, "sha512-OOEXudgFtkXS5iF+6JoawCMpK76xg0NodUhsc2bhTKXJP8DjfQhU/ARpxoPFiX7uwAy1/xaPjbaT5dfP16TaCg=="],
 
-    "@ff-labs/fff-bun": ["@ff-labs/fff-bun@0.6.1", "", { "optionalDependencies": { "@ff-labs/fff-bin-darwin-arm64": "0.6.1", "@ff-labs/fff-bin-darwin-x64": "0.6.1", "@ff-labs/fff-bin-linux-arm64-gnu": "0.6.1", "@ff-labs/fff-bin-linux-arm64-musl": "0.6.1", "@ff-labs/fff-bin-linux-x64-gnu": "0.6.1", "@ff-labs/fff-bin-linux-x64-musl": "0.6.1", "@ff-labs/fff-bin-win32-arm64": "0.6.1", "@ff-labs/fff-bin-win32-x64": "0.6.1" }, "peerDependencies": { "bun": ">=1.0.0" }, "os": [ "linux", "win32", "darwin", ], "cpu": [ "x64", "arm64", ], "bin": { "fff-demo": "examples/search.ts", "fff-grep": "examples/grep.ts" } }, "sha512-J8O4gpkfKbcWsskMFxn979b0WzvRDb9im5WhBpsjKrXTMzQr7I4DxhstbtiwaUdli3G6eHTrAOw3oD89g+0P/A=="],
+    "@ff-labs/fff-bun": ["@ff-labs/fff-bun@0.6.4", "", { "optionalDependencies": { "@ff-labs/fff-bin-darwin-arm64": "0.6.4", "@ff-labs/fff-bin-darwin-x64": "0.6.4", "@ff-labs/fff-bin-linux-arm64-gnu": "0.6.4", "@ff-labs/fff-bin-linux-arm64-musl": "0.6.4", "@ff-labs/fff-bin-linux-x64-gnu": "0.6.4", "@ff-labs/fff-bin-linux-x64-musl": "0.6.4", "@ff-labs/fff-bin-win32-arm64": "0.6.4", "@ff-labs/fff-bin-win32-x64": "0.6.4" }, "peerDependencies": { "bun": ">=1.0.0" }, "os": [ "linux", "win32", "darwin", ], "cpu": [ "x64", "arm64", ], "bin": { "fff-demo": "examples/search.ts", "fff-grep": "examples/grep.ts" } }, "sha512-f9k0W1zTbYX0kA+duWobeXjvnllPr9B1DyleXq/ZSz/9Hvz8Gf85V/Kad7Fi2WXenuscacdq8Asivuy4wKbFlQ=="],
 
     "@floating-ui/core": ["@floating-ui/core@1.7.5", "", { "dependencies": { "@floating-ui/utils": "^0.2.11" } }, "sha512-1Ih4WTWyw0+lKyFMcBHGbb5U5FtuHJuujoyyr5zTaWS5EYMeT6Jb2AuDeftsCsEuchO+mM2ij5+q9crhydzLhQ=="],
 
diff --git a/packages/opencode/package.json b/packages/opencode/package.json
index cd5f98074c..c6a98c6c8c 100644
--- a/packages/opencode/package.json
+++ b/packages/opencode/package.json
@@ -107,7 +107,7 @@
     "@clack/prompts": "1.0.0-alpha.1",
     "@effect/opentelemetry": "catalog:",
     "@effect/platform-node": "catalog:",
-    "@ff-labs/fff-bun": "0.6.1",
+    "@ff-labs/fff-bun": "0.6.4",
     "@gitlab/opencode-gitlab-auth": "1.3.3",
     "@hono/node-server": "1.19.11",
     "@hono/node-ws": "1.3.0",