diff --git a/Cargo.lock b/Cargo.lock
index 386bb16..91d40b5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -106,6 +106,7 @@ dependencies = [
  "blocking",
  "futures-lite",
  "once_cell",
+ "tokio",
 ]
 
 [[package]]
@@ -1998,6 +1999,7 @@ dependencies = [
  "libc",
  "memchr",
  "mio",
+ "num_cpus",
  "pin-project-lite",
  "socket2",
  "winapi",
diff --git a/ofborg/Cargo.toml b/ofborg/Cargo.toml
index 5c3c123..49fb829 100644
--- a/ofborg/Cargo.toml
+++ b/ofborg/Cargo.toml
@@ -6,7 +6,7 @@ build = "build.rs"
 edition = "2018"
 
 [dependencies]
-async-std = { version = "=1.12.0", features = ["unstable"] }
+async-std = { version = "=1.12.0", features = ["unstable", "tokio1"] }
 chrono = "0.4.22"
 either = "1.8.0"
 fs2 = "0.4.3"