diff --git a/Cargo.lock b/Cargo.lock
index e6b4ef57..59008225 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -19,9 +19,9 @@ checksum = "afddf7f520a80dbf76e6f50a35bca42a2331ef227a28b3b6dc5c2e2338d114b1"
 
 [[package]]
 name = "async-channel"
-version = "1.5.1"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59740d83946db6a5af71ae25ddf9562c2b176b2ca42cf99a455f09f4a220d6b9"
+checksum = "ead32ec3da16a4ce0ca8de4614295a1e06d019d17978b774faa8b4d4b8a6a51b"
 dependencies = [
  "concurrent-queue",
  "event-listener",
@@ -128,12 +128,6 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
-[[package]]
-name = "base64"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
-
 [[package]]
 name = "bitflags"
 version = "1.2.1"
@@ -703,9 +697,9 @@ dependencies = [
 
 [[package]]
 name = "jsonrpc-core"
-version = "16.0.0"
+version = "17.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a47c4c3ac843f9a4238943f97620619033dadef4b378cd1e8addd170de396b3"
+checksum = "07569945133257ff557eb37b015497104cea61a2c9edaf126c1cbd6e8332397f"
 dependencies = [
  "futures",
  "log",
@@ -746,11 +740,10 @@ dependencies = [
 
 [[package]]
 name = "lsp-types"
-version = "0.86.0"
+version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2a5c40d566f2704dac30859bca152217583fc94fd5b178d8baba915e1abd382"
+checksum = "d8e8e042772e4e10b3785822f63c82399d0dd233825de44d2596f7fa86e023e0"
 dependencies = [
- "base64",
  "bitflags",
  "serde",
  "serde_json",
@@ -787,9 +780,9 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.7.7"
+version = "0.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e50ae3f04d169fcc9bde0b547d1c205219b7157e07ded9c5aff03e0637cb3ed7"
+checksum = "dc250d6848c90d719ea2ce34546fb5df7af1d3fd189d10bf7bad80bfcebecd95"
 dependencies = [
  "libc",
  "log",
diff --git a/helix-lsp/Cargo.toml b/helix-lsp/Cargo.toml
index caf9287a..fd9912b3 100644
--- a/helix-lsp/Cargo.toml
+++ b/helix-lsp/Cargo.toml
@@ -11,7 +11,7 @@ helix-core = { path = "../helix-core" }
 
 once_cell = "1.4"
 
-lsp-types = { version = "0.86", features = ["proposed"] }
+lsp-types = { version = "0.88", features = ["proposed"] }
 smol = "1.2"
 smol-timeout = "0.6"
 url = "2"
@@ -21,7 +21,7 @@ glob = "0.3"
 anyhow = "1"
 serde_json = "1.0"
 serde = { version = "1.0", features = ["derive"] }
-jsonrpc-core = "16.0"
+jsonrpc-core = "17.0"
 futures-util = "0.3"
 thiserror = "1.0"
 log = "~0.4"