diff --git a/Cargo.toml b/Cargo.toml
index 401165f..9415826 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -55,9 +55,9 @@ bech32 = "0.9.1"
 url = "2.3.1"
 qrcode = { version = "0.12.0", default-features = false, features = ["svg"] }
 nostr = { version = "0.18.0", default-features = false, features = ["base", "nip04", "nip19"] }
-[target.'cfg(not(target_env = "msvc"))'.dependencies]
-tikv-jemallocator = "0.5"
 log = "0.4"
+[target.'cfg(all(not(target_env = "msvc"), not(target_os = "openbsd")))'.dependencies]
+tikv-jemallocator = "0.5"
 
 [dev-dependencies]
 anyhow = "1"
diff --git a/README.md b/README.md
index d569640..e998ac4 100644
--- a/README.md
+++ b/README.md
@@ -98,6 +98,11 @@ The following OS packages will be helpful; on Debian/Ubuntu:
 $ sudo apt-get install build-essential cmake protobuf-compiler pkg-config libssl-dev
 ```
 
+On OpenBSD:
+```console
+$ doas pkg_add rust protobuf
+```
+
 Clone this repository, and then build a release version of the relay:
 
 ```console
diff --git a/src/main.rs b/src/main.rs
index ee92534..feadf2c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,13 +10,13 @@ use std::process;
 use std::sync::mpsc as syncmpsc;
 use std::sync::mpsc::{Receiver as MpscReceiver, Sender as MpscSender};
 use std::thread;
-#[cfg(not(target_env = "msvc"))]
+#[cfg(all(not(target_env = "msvc"), not(target_os = "openbsd")))]
 use tikv_jemallocator::Jemalloc;
 use tracing::info;
 use tracing_appender::non_blocking::WorkerGuard;
 use tracing_subscriber::EnvFilter;
 
-#[cfg(not(target_env = "msvc"))]
+#[cfg(all(not(target_env = "msvc"), not(target_os = "openbsd")))]
 #[global_allocator]
 static GLOBAL: Jemalloc = Jemalloc;