diff --git a/.github/workflows/cpp-test.yaml b/.github/workflows/cpp-test.yaml
index 6241db684..c51e9e8e7 100644
--- a/.github/workflows/cpp-test.yaml
+++ b/.github/workflows/cpp-test.yaml
@@ -14,7 +14,7 @@ on:
       - release-4.0
 jobs:
   cpp-test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
diff --git a/.github/workflows/rust-test.yaml b/.github/workflows/rust-test.yaml
index 01bf1ac6d..b6f8bae07 100644
--- a/.github/workflows/rust-test.yaml
+++ b/.github/workflows/rust-test.yaml
@@ -16,7 +16,7 @@ on:
       - release-3.0
 jobs:
   rust-test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
diff --git a/src/lib.rs b/src/lib.rs
index 23fd556b7..d7c50f887 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,6 +4,8 @@
 #[allow(renamed_and_removed_lints)]
 #[allow(bare_trait_objects)]
 #[allow(deprecated)]
+#[allow(static_mut_refs)]
+
 mod protos {
     include!(concat!(env!("OUT_DIR"), "/protos/mod.rs"));