diff --git a/Cargo.toml b/Cargo.toml
index 43e9829..8671172 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ members = [
 [dependencies]
 anyhow = "1.0.75"
 reqwest = { version = "0.11.18", features = ["json"] }
-serde = { version = "=1.0.171", features = ["derive"] }
+serde = { version = "1.0.188", features = ["derive"] }
 serde_json = "1.0.104"
 tokio = { version = "1.29.1", features = ["rt", "macros"] }
 triphosphate-vocab = { version = "0.1.0", path = "triphosphate-vocab" }
diff --git a/lexgen/Cargo.toml b/lexgen/Cargo.toml
index 9829a0f..78a203f 100644
--- a/lexgen/Cargo.toml
+++ b/lexgen/Cargo.toml
@@ -12,7 +12,7 @@ heck = "0.4.1"
 prettyplease = "0.2.12"
 proc-macro2 = { version = "1.0.66", default-features = false }
 quote = { version = "1.0.32", default-features = false }
-serde = { version = "=1.0.171", features = ["derive"] }
+serde = { version = "1.0.188", features = ["derive"] }
 serde_json = "1.0.103"
 syn = { version = "2.0.28", features = ["parsing"] }
 triphosphate-vocab = { version = "0.1.0", path = "../triphosphate-vocab" }
diff --git a/triphosphate-vocab/Cargo.toml b/triphosphate-vocab/Cargo.toml
index e295df8..cbed71c 100644
--- a/triphosphate-vocab/Cargo.toml
+++ b/triphosphate-vocab/Cargo.toml
@@ -10,6 +10,6 @@ chrono = { version = "0.4.26", features = ["serde"] }
 cid = "0.10.1"
 oxilangtag = "0.1.3"
 regex = "1.9.3"
-serde = { version = "=1.0.171", features = ["derive"] } # TODO: Remove derive
+serde = { version = "1.0.188", features = ["derive"] } # TODO: Remove derive
 serde_json = "1.0.105"
 winnow = "0.5.10"