diff --git a/library/stdarch/.cirrus.yml b/library/stdarch/.cirrus.yml
index 1b389a96df73..7b75ba39dd76 100644
--- a/library/stdarch/.cirrus.yml
+++ b/library/stdarch/.cirrus.yml
@@ -1,7 +1,11 @@
+env:
+  # Temporary fix for https://github.com/rust-lang/rustup/issues/2774.
+  RUSTUP_IO_THREADS: "1"
+
 task:
   name: x86_64-unknown-freebsd
   freebsd_instance:
-    image: freebsd-12-1-release-amd64
+    image: freebsd-12-2-release-amd64
   setup_script:
     - pkg install -y curl
     - curl https://sh.rustup.rs -sSf --output rustup.sh