diff --git a/Cargo.lock b/Cargo.lock
index b052663..1205338 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -928,17 +928,6 @@ version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
-[[package]]
-name = "syn"
-version = "1.0.109"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
 [[package]]
 name = "syn"
 version = "2.0.119"
@@ -1117,9 +1106,9 @@ checksum = "121c2a6cda46980bb0fcd1647ffaf6cd3fc79a013de288782836f6df9c48780e"
 
 [[package]]
 name = "tower-lsp"
-version = "0.19.0"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b38fb0e6ce037835174256518aace3ca621c4f96383c56bb846cfc11b341910"
+checksum = "d4ba052b54a6627628d9b3c34c176e7eda8359b7da9acd497b9f20998d118508"
 dependencies = [
  "async-trait",
  "auto_impl",
@@ -1140,13 +1129,13 @@ dependencies = [
 
 [[package]]
 name = "tower-lsp-macros"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34723c06344244474fdde365b76aebef8050bf6be61a935b91ee9ff7c4e91157"
+checksum = "84fd902d4e0b9a4b27f2f440108dc034e1758628a9b702f8ec61ad66355422fa"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.119",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 9f8e412..8c0973c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,7 +27,7 @@ sha2 = "0.11"
 thiserror = "2.0"
 tokio = { version = "1", features = ["rt-multi-thread", "macros", "io-std"] }
 toml = "1.1"
-tower-lsp = "0.19"
+tower-lsp = "0.20"
 
 [dev-dependencies]
 assert_cmd = "2.0"