diff --git a/zerocopy-derive/Cargo.toml b/zerocopy-derive/Cargo.toml
index 6aba90a4a5..8d0191992a 100644
--- a/zerocopy-derive/Cargo.toml
+++ b/zerocopy-derive/Cargo.toml
@@ -29,7 +29,10 @@ proc-macro = true
 [dependencies]
 proc-macro2 = "1.0.1"
 quote = "1.0.10"
-syn = "2.0.31"
+# This pinned dependency is a temporary work-around for #1085. Per #1088, we
+# will not ship 0.8 until we've removed this work-around and replaced it with a
+# more permanent solution.
+syn = "=2.0.55"
 
 [dev-dependencies]
 # We don't use this directly, but trybuild does. On the MSRV toolchain, the