diff --git a/.cirrus.yml b/.cirrus.yml
index 6bfdbbe8..e935d82b 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -39,7 +39,9 @@ doc_test_task:
   name: "Docs"
   env:
     # unused-braces is due to https://github.com/rust-lang/rust/issues/70717
-    RUSTFLAGS: "-D warnings -A unused-braces"
+    # proc_macro_derive_resolution_fallback is due to
+    #   https://github.com/rust-lang/rust/issues/83583#issuecomment-968123016
+    RUSTFLAGS: "-D warnings -A unused-braces -A proc_macro_derive_resolution_fallback"
     RUSTDOCFLAGS: "${RUSTFLAGS}"
   container:
     image: rustlang/rust:nightly
@@ -64,6 +66,11 @@ doc_test_task:
 
 doc_tests_task:
   name: "Documentation Tests"
+  env:
+    # proc_macro_derive_resolution_fallback is due to
+    #   https://github.com/rust-lang/rust/issues/83583#issuecomment-968123016
+    RUSTFLAGS: "-D warnings -A proc_macro_derive_resolution_fallback"
+    RUSTDOCFLAGS: "${RUSTFLAGS}"
   container:
     image: rustlang/rust:nightly
     cpu: 1