diff --git a/Cargo.lock b/Cargo.lock
index 4840ab44f91..af4f88ebd39 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -117,7 +117,7 @@ version = "0.90.0-dev.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.10",
  "synstructure",
 ]
 
@@ -219,7 +219,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ccc0a48a9b826acdf4028595adc9db92caea352f7af011a3034acd172a52a0aa"
 dependencies = [
  "quote",
- "syn",
+ "syn 1.0.82",
 ]
 
 [[package]]
@@ -569,18 +569,18 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.33"
+version = "1.0.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb37d2df5df740e582f28f8560cf425f52bb267d872fe58358eadb554909f07a"
+checksum = "e472a104799c74b514a57226160104aa483546de37e839ec50e3c2e41dd87534"
 dependencies = [
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.10"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38bc8cc6a5f2e3655e0899c1b848643b2562f853f114bfec7be120678e3ace05"
+checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
 dependencies = [
  "proc-macro2",
 ]
@@ -688,7 +688,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.82",
 ]
 
 [[package]]
@@ -714,7 +714,7 @@ checksum = "d7bc1a1ab1961464eae040d96713baa5a724a8152c1222492465b54322ec508b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.82",
 ]
 
 [[package]]
@@ -769,15 +769,26 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "syn"
+version = "2.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5aad1363ed6d37b84299588d62d3a7d95b5a5c2d9aad5c85609fda12afaa1f40"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "synstructure"
-version = "0.12.6"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
+checksum = "285ba80e733fac80aa4270fbcdf83772a79b80aa35c97075320abfee4a915b06"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.10",
  "unicode-xid",
 ]
 
@@ -830,7 +841,7 @@ checksum = "f4f480b8f81512e825f337ad51e94c1eb5d3bbdf2b363dcd01e2b19a9ffe3f8e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.82",
 ]
 
 [[package]]
@@ -884,6 +895,12 @@ dependencies = [
  "tracing-subscriber",
 ]
 
+[[package]]
+name = "unicode-ident"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
+
 [[package]]
 name = "unicode-segmentation"
 version = "1.8.0"
diff --git a/chalk-derive/Cargo.toml b/chalk-derive/Cargo.toml
index ddea126c81f..2f99a1b4847 100644
--- a/chalk-derive/Cargo.toml
+++ b/chalk-derive/Cargo.toml
@@ -13,7 +13,7 @@ edition = "2018"
 proc-macro = true
 
 [dependencies]
-synstructure = "0.12.5"
+synstructure = "0.13.0"
 quote = "1.0"
 proc-macro2 = "1.0"
-syn = { version = "1.0", features = ["full"] }
+syn = { version = "2.0", features = ["full"] }
diff --git a/chalk-derive/src/lib.rs b/chalk-derive/src/lib.rs
index 9fe0d27c8fb..598e12ffb58 100644
--- a/chalk-derive/src/lib.rs
+++ b/chalk-derive/src/lib.rs
@@ -22,7 +22,7 @@ fn has_interner_attr(input: &DeriveInput) -> Option<TokenStream> {
         input
             .attrs
             .iter()
-            .find(|a| a.path.is_ident("has_interner"))?
+            .find(|a| a.path().is_ident("has_interner"))?
             .parse_args::<TokenStream>()
             .expect("Expected has_interner argument"),
     )