diff --git a/Cargo.toml b/Cargo.toml
index ac94fb08c..41c11afaa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,4 +12,4 @@ serde = { path = "serde" }
 [workspace.dependencies]
 proc-macro2 = { version = "1.0.74", default-features = false }
 quote = { version = "1.0.35", default-features = false }
-syn = { version = "2.0.46", default-features = false }
+syn = { version = "2.0.81", default-features = false }
diff --git a/serde_derive/src/bound.rs b/serde_derive/src/bound.rs
index fe8ccfff5..2ff6521fe 100644
--- a/serde_derive/src/bound.rs
+++ b/serde_derive/src/bound.rs
@@ -227,7 +227,9 @@ pub fn with_bound(
             match bound {
                 #![cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
                 syn::TypeParamBound::Trait(bound) => self.visit_path(&bound.path),
-                syn::TypeParamBound::Lifetime(_) | syn::TypeParamBound::Verbatim(_) => {}
+                syn::TypeParamBound::Lifetime(_)
+                | syn::TypeParamBound::PreciseCapture(_)
+                | syn::TypeParamBound::Verbatim(_) => {}
                 _ => {}
             }
         }
diff --git a/serde_derive/src/internals/receiver.rs b/serde_derive/src/internals/receiver.rs
index 852e857b8..1e7fc54f1 100644
--- a/serde_derive/src/internals/receiver.rs
+++ b/serde_derive/src/internals/receiver.rs
@@ -209,7 +209,9 @@ impl ReplaceReceiver<'_> {
         match bound {
             #![cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
             TypeParamBound::Trait(bound) => self.visit_path_mut(&mut bound.path),
-            TypeParamBound::Lifetime(_) | TypeParamBound::Verbatim(_) => {}
+            TypeParamBound::Lifetime(_)
+            | TypeParamBound::PreciseCapture(_)
+            | TypeParamBound::Verbatim(_) => {}
             _ => {}
         }
     }