diff --git a/Cargo.lock b/Cargo.lock
index 3134411..529587d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -401,7 +401,6 @@ dependencies = [
  "byteorder",
  "indexmap",
  "memmap",
- "num_cpus",
  "osmpbf",
  "owning_ref",
  "png",
diff --git a/Cargo.toml b/Cargo.toml
index da5b32e..e86b6ca 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,6 @@ license = "MIT"
 anyhow = "*"
 byteorder = "*"
 memmap = "*"
-num_cpus = "*"
 owning_ref = "*"
 png = "*"
 tini = "*"
diff --git a/src/http_server.rs b/src/http_server.rs
index 068345a..d3f26cc 100644
--- a/src/http_server.rs
+++ b/src/http_server.rs
@@ -47,12 +47,13 @@ pub fn run_server(
         perf_stats: Mutex::new(PerfStats::default()),
     });
 
-    let thread_count = num_cpus::get();
+    let thread_count =
+        thread::available_parallelism().context("Failed to determine the number of threads to use for rendering")?;
 
     let mut senders: Vec<Sender<HandlerMessage>> = Vec::new();
     let mut receivers: Vec<Receiver<HandlerMessage>> = Vec::new();
 
-    for _ in 0..thread_count {
+    for _ in 0..thread_count.into() {
         let (tx, rx) = mpsc::channel();
         senders.push(tx);
         receivers.push(rx);