diff --git a/Cargo.lock b/Cargo.lock
index f348e7d5b70..b185de95939 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -847,7 +847,7 @@ dependencies = [
 
 [[package]]
 name = "lsp-types"
-version = "0.54.0"
+version = "0.55.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1357,7 +1357,7 @@ dependencies = [
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lsp-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "lsp-types 0.54.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lsp-types 0.55.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ordslice 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "racer 2.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2302,7 +2302,7 @@ dependencies = [
 "checksum lock_api 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "62ebf1391f6acad60e5c8b43706dde4582df75c06698ab44511d15016bc2442c"
 "checksum log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c84ec4b527950aa83a329754b01dbe3f58361d1c5efacd1f6d68c494d08a17c6"
 "checksum lsp-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f3570f641b984e3e4613a1ca34db2ea72549bbc3c0316d33f5af91ab514dcbff"
-"checksum lsp-types 0.54.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a252cc2be87d9329dd91c505a951996b3263582ba304870960faaae77b642183"
+"checksum lsp-types 0.55.0 (registry+https://github.com/rust-lang/crates.io-index)" = "78455d7df2e41e103ccf893abdeb93981f0bbeb228884230e9fc5ff71546fd55"
 "checksum matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
 "checksum memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e1dd4eaac298c32ce07eb6ed9242eda7d82955b9170b7d6db59b2e02cc63fcb8"
 "checksum memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0f9dc261e2b62d7a622bf416ea3c5245cdd5d9a7fcc428c0d06804dfce1775b3"
diff --git a/Cargo.toml b/Cargo.toml
index c086dc45181..8e8c79bac7b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,7 +27,7 @@ failure = "0.1.1"
 home = "0.3"
 itertools = "0.8"
 jsonrpc-core = "9"
-lsp-types = "0.54.0"
+lsp-types = "0.55.0"
 lazy_static = "1"
 log = "0.4"
 num_cpus = "1"