diff --git a/Cargo.lock b/Cargo.lock
index 939657ddc25..9c9f0390f02 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3362,9 +3362,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.107"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b420ce6e3d8bd882e9b243c6eed35dbc9a6110c9769e74b584e0d68d1f20c65"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
diff --git a/cargo-guppy/Cargo.toml b/cargo-guppy/Cargo.toml
index 6733e395e65..f5719222a53 100644
--- a/cargo-guppy/Cargo.toml
+++ b/cargo-guppy/Cargo.toml
@@ -16,6 +16,6 @@ guppy-cmdlib = { path = "../guppy-cmdlib" }
 itertools = "0.11.0"
 pathdiff = { version = "0.2.1", features = ["camino"] }
 serde = { version = "1.0.190", features = ["derive"] }
-serde_json = "1.0.107"
+serde_json = "1.0.108"
 toml_edit = "0.17.1"
 guppy-workspace-hack.workspace = true
diff --git a/guppy-summaries/Cargo.toml b/guppy-summaries/Cargo.toml
index 0fe85a24d4a..e031c1ccfca 100644
--- a/guppy-summaries/Cargo.toml
+++ b/guppy-summaries/Cargo.toml
@@ -36,4 +36,4 @@ guppy-workspace-hack.workspace = true
 [dev-dependencies]
 indoc = "2.0.4"
 pretty_assertions = "1.4.0"
-serde_json = "1.0.107"
+serde_json = "1.0.108"
diff --git a/guppy/Cargo.toml b/guppy/Cargo.toml
index b39d24f14f1..98c8541d201 100644
--- a/guppy/Cargo.toml
+++ b/guppy/Cargo.toml
@@ -46,7 +46,7 @@ proptest-derive = { version = "0.4.0", optional = true }
 rayon = { version = "1.8.0", optional = true }
 semver = "1.0.20"
 serde = { version = "1.0.190", features = ["derive"] }
-serde_json = "1.0.107"
+serde_json = "1.0.108"
 smallvec = "1.11.1"
 static_assertions = "1.1.0"
 target-spec = { version = "3.0.1", path = "../target-spec" }
diff --git a/target-spec/Cargo.toml b/target-spec/Cargo.toml
index 520d2f6d4f5..4d6c46db2a6 100644
--- a/target-spec/Cargo.toml
+++ b/target-spec/Cargo.toml
@@ -23,7 +23,7 @@ maintenance = { status = "actively-developed" }
 cfg-expr = { version = "0.15.5", features = ["targets"] }
 proptest = { version = "1.2.0", optional = true }
 serde = { version = "1.0.190", optional = true, features = ["derive"] }
-serde_json = { version = "1.0.107", optional = true }
+serde_json = { version = "1.0.108", optional = true }
 target-lexicon = { version = "0.12.12", features = ["std"] }
 unicode-ident = "1.0.12"
 guppy-workspace-hack.workspace = true
diff --git a/workspace-hack/Cargo.toml b/workspace-hack/Cargo.toml
index 20bd2ee77fe..121788fef1d 100644
--- a/workspace-hack/Cargo.toml
+++ b/workspace-hack/Cargo.toml
@@ -29,7 +29,7 @@ regex = { version = "1.9.1", default-features = false, features = ["perf", "std"
 regex-automata = { version = "0.3.4", default-features = false, features = ["dfa-onepass", "hybrid", "meta", "nfa-backtrack", "perf-inline", "perf-literal"] }
 semver = { version = "1.0.20", features = ["serde"] }
 serde = { version = "1.0.190", features = ["alloc", "derive"] }
-serde_json = { version = "1.0.107", features = ["unbounded_depth"] }
+serde_json = { version = "1.0.108", features = ["unbounded_depth"] }
 toml = { version = "0.5.11", features = ["preserve_order"] }
 
 [build-dependencies]