diff --git a/Cargo.lock b/Cargo.lock
index 6def1347f4a..95c6991b419 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1730,11 +1730,11 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.97"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bdf3bf93142acad5821c99197022e170842cdbc1c30482b98750c688c640842a"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
- "indexmap 1.9.3",
+ "indexmap 2.0.0",
  "itoa",
  "ryu",
  "serde",
diff --git a/Cargo.toml b/Cargo.toml
index 08e02d5b106..7f76b30598e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -109,7 +109,7 @@ smol_str = "0.2.0"
 nohash-hasher = "0.2.0"
 text-size = "1.1.0"
 serde = { version = "1.0.192", features = ["derive"] }
-serde_json = "1.0.96"
+serde_json = "1.0.108"
 triomphe = { version = "0.1.8", default-features = false, features = ["std"] }
 # can't upgrade due to dashmap depending on 0.12.3 currently
 hashbrown = { version = "0.12.3", features = [
diff --git a/crates/ide-diagnostics/Cargo.toml b/crates/ide-diagnostics/Cargo.toml
index ac7a41fcfe2..f4055024cc3 100644
--- a/crates/ide-diagnostics/Cargo.toml
+++ b/crates/ide-diagnostics/Cargo.toml
@@ -15,7 +15,7 @@ doctest = false
 cov-mark = "2.0.0-pre.1"
 either.workspace = true
 itertools.workspace = true
-serde_json = "1.0.86"
+serde_json.workspace = true
 once_cell = "1.17.0"
 
 # local deps
diff --git a/lib/lsp-server/Cargo.toml b/lib/lsp-server/Cargo.toml
index 5290794c528..8d00813b0d7 100644
--- a/lib/lsp-server/Cargo.toml
+++ b/lib/lsp-server/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2021"
 
 [dependencies]
 log = "0.4.17"
-serde_json = "1.0.96"
+serde_json = "1.0.108"
 serde = { version = "1.0.192", features = ["derive"] }
 crossbeam-channel = "0.5.6"