diff --git a/Cargo.lock b/Cargo.lock
index f8806794979e..d0f5abd8fd48 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -999,9 +999,9 @@ checksum = "b06a4cde4c0f271a446782e3eff8de789548ce57dbc8eca9292c27f4a42004b4"
 
 [[package]]
 name = "lsp-server"
-version = "0.7.1"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3711e4d6f491dc9edc0f1df80e204f38206775ac92c1241e89b79229a850bc00"
+checksum = "37ea9ae5a5082ca3b6ae824fc7666cd206b99168a4d4c769ad8fe9cc740df6a6"
 dependencies = [
  "crossbeam-channel",
  "log",
@@ -1011,7 +1011,7 @@ dependencies = [
 
 [[package]]
 name = "lsp-server"
-version = "0.7.2"
+version = "0.7.3"
 dependencies = [
  "crossbeam-channel",
  "log",
@@ -1555,7 +1555,7 @@ dependencies = [
  "ide-ssr",
  "itertools",
  "load-cargo",
- "lsp-server 0.7.1",
+ "lsp-server 0.7.2",
  "lsp-types",
  "mbe",
  "mimalloc",
diff --git a/Cargo.toml b/Cargo.toml
index f6a50bfa6b2c..44f01ac832d5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -86,7 +86,7 @@ proc-macro-test = { path = "./crates/proc-macro-test" }
 # In-tree crates that are published separately and follow semver. See lib/README.md
 line-index = { version = "0.1.0-pre.1" }
 la-arena = { version = "0.3.1" }
-lsp-server = { version = "0.7.1" }
+lsp-server = { version = "0.7.2" }
 
 # non-local crates
 smallvec = { version = "1.10.0", features = [
@@ -97,7 +97,8 @@ smallvec = { version = "1.10.0", features = [
 smol_str = "0.2.0"
 nohash-hasher = "0.2.0"
 text-size = "1.1.0"
-serde = { version = "1.0.156", features = ["derive"] }
+# See https://github.com/serde-rs/serde/issues/2538#issuecomment-1684517372 for why we pin serde
+serde = { version = "1.0.156, < 1.0.172", features = ["derive"] }
 serde_json = "1.0.96"
 triomphe = { version = "0.1.8", default-features = false, features = ["std"] }
 # can't upgrade due to dashmap depending on 0.12.3 currently
diff --git a/lib/lsp-server/Cargo.toml b/lib/lsp-server/Cargo.toml
index 01707d301918..73df7372c41f 100644
--- a/lib/lsp-server/Cargo.toml
+++ b/lib/lsp-server/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "lsp-server"
-version = "0.7.2"
+version = "0.7.3"
 description = "Generic LSP server scaffold."
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-lang/rust-analyzer/tree/master/lib/lsp-server"
@@ -9,7 +9,8 @@ edition = "2021"
 [dependencies]
 log = "0.4.17"
 serde_json = "1.0.96"
-serde = { version = "1.0.156", features = ["derive"] }
+# See https://github.com/serde-rs/serde/issues/2538#issuecomment-1684517372 for why we pin serde
+serde = { version = "1.0.156, < 1.0.171", features = ["derive"] }
 crossbeam-channel = "0.5.6"
 
 [dev-dependencies]