diff --git a/cargo-guppy/Cargo.toml b/cargo-guppy/Cargo.toml
index 15b5f3a3b4c..663cfa9557b 100644
--- a/cargo-guppy/Cargo.toml
+++ b/cargo-guppy/Cargo.toml
@@ -16,7 +16,7 @@ guppy = { version = "0.17.4", path = "../guppy", features = ["summaries"] }
 guppy-cmdlib = { path = "../guppy-cmdlib" }
 itertools = "0.12.1"
 pathdiff = { version = "0.2.1", features = ["camino"] }
-serde = { version = "1.0.193", features = ["derive"] }
+serde = { version = "1.0.196", features = ["derive"] }
 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 b1e53f05548..88a97e5b5c5 100644
--- a/guppy-summaries/Cargo.toml
+++ b/guppy-summaries/Cargo.toml
@@ -31,7 +31,7 @@ cfg-if = "1.0.0"
 diffus = "0.10.0"
 toml = { version = "0.5.11", features = ["preserve_order"] }
 semver = { version = "1.0.21", features = ["serde"] }
-serde = { version = "1.0.193", features = ["derive"] }
+serde = { version = "1.0.196", features = ["derive"] }
 guppy-workspace-hack.workspace = true
 
 [dev-dependencies]
diff --git a/guppy/Cargo.toml b/guppy/Cargo.toml
index f2766e18312..ad947960852 100644
--- a/guppy/Cargo.toml
+++ b/guppy/Cargo.toml
@@ -46,7 +46,7 @@ proptest = { version = "1.4.0", optional = true }
 proptest-derive = { version = "0.4.0", optional = true }
 rayon = { version = "1.8.1", optional = true }
 semver = "1.0.21"
-serde = { version = "1.0.193", features = ["derive"] }
+serde = { version = "1.0.196", features = ["derive"] }
 serde_json = "1.0.108"
 smallvec = "1.11.2"
 static_assertions = "1.1.0"
diff --git a/target-spec/Cargo.toml b/target-spec/Cargo.toml
index 30340e0b2b2..294ec26d46b 100644
--- a/target-spec/Cargo.toml
+++ b/target-spec/Cargo.toml
@@ -22,7 +22,7 @@ maintenance = { status = "actively-developed" }
 [dependencies]
 cfg-expr = { version = "0.15.6", features = ["targets"] }
 proptest = { version = "1.4.0", optional = true }
-serde = { version = "1.0.193", optional = true, features = ["derive"] }
+serde = { version = "1.0.196", optional = true, features = ["derive"] }
 serde_json = { version = "1.0.108", optional = true }
 target-lexicon = { version = "0.12.12", features = ["std"] }
 unicode-ident = "1.0.12"
diff --git a/tools/determinator/Cargo.toml b/tools/determinator/Cargo.toml
index d4e38cedfc5..2bbab8f1fc6 100644
--- a/tools/determinator/Cargo.toml
+++ b/tools/determinator/Cargo.toml
@@ -37,7 +37,7 @@ petgraph = { version = "0.6.4", default-features = false, features = [
     "graphmap",
 ] }
 rayon = "1.8.1"
-serde = { version = "1.0.193", features = ["derive"] }
+serde = { version = "1.0.196", features = ["derive"] }
 toml = "0.5.11"
 guppy-workspace-hack.workspace = true
 
diff --git a/tools/hakari/Cargo.toml b/tools/hakari/Cargo.toml
index 5dc474bea61..71291d433f0 100644
--- a/tools/hakari/Cargo.toml
+++ b/tools/hakari/Cargo.toml
@@ -38,7 +38,7 @@ pathdiff = { version = "0.2.1", features = ["camino"] }
 proptest = { version = "1.4.0", optional = true }
 proptest-derive = { version = "0.4.0", optional = true }
 rayon = "1.8.1"
-serde = { version = "1.0.193", features = ["derive"], optional = true }
+serde = { version = "1.0.196", features = ["derive"], optional = true }
 tabular = { version = "0.2.0", features = ["ansi-cell"], optional = true }
 target-spec = { version = "3.0.1", path = "../../target-spec" }
 toml = { version = "0.5.11", optional = true }