From 5259952072774b2550397787c221d9110d5c4a24 Mon Sep 17 00:00:00 2001
From: Dan Gohman <dev@sunfishcode.online>
Date: Fri, 24 Oct 2025 13:48:24 -0700
Subject: [PATCH] Pin some dependencies for MSRV compatibilty.

---
 .github/workflows/main.yml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 243d15ce..dc947f84 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -373,7 +373,10 @@ jobs:
         toolchain: ${{ matrix.rust }}
 
     - name: Use specific dependency versions for Rust 1.63 compatibility.
-      run: cargo update --package=once_cell --precise=1.20.3
+      run: |
+        cargo update --package=once_cell --precise=1.20.3
+        cargo update --package=async-io --precise=2.5.0
+        cargo update --package=polling --precise=3.10.0
 
     # Don't use --all-features because some of the features have dependencies
     # that don't work on newer Rust versions.