diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index bff54dda..62179da1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -78,6 +78,11 @@ jobs:
         set -ex
         sudo apt-get update
         sudo apt-get install -y gcc-i686-linux-gnu gcc-aarch64-linux-gnu gcc-riscv64-linux-gnu gcc-arm-linux-gnueabi musl-tools
+
+    - name: Use specific dependency versions for Rust 1.48 compatibility.
+      if: matrix.rust == '1.48'
+      run: cargo update --package=once_cell --precise 1.14.0
+
     - run: cargo check --workspace --release -vv
     - run: cargo check --workspace --release -vv --features=all-apis
     - run: cargo check --workspace --release -vv --features=use-libc,all-apis