diff --git a/syndicate-server/Cargo.toml b/syndicate-server/Cargo.toml
index c25e3d1..f046ae3 100644
--- a/syndicate-server/Cargo.toml
+++ b/syndicate-server/Cargo.toml
@@ -10,11 +10,11 @@ repository = "https://git.syndicate-lang.org/syndicate-lang/syndicate-rs"
 license = "Apache-2.0"
 
 [build-dependencies]
-preserves-schema = "3.0"
+preserves-schema = "3.1"
 syndicate = { path = "../syndicate", version = "0.26.0"}
 
 [dependencies]
-preserves-schema = "3.0"
+preserves-schema = "3.1"
 syndicate = { path = "../syndicate", version = "0.26.0"}
 syndicate-macros = { path = "../syndicate-macros", version = "0.21.0"}
 
diff --git a/syndicate/Cargo.toml b/syndicate/Cargo.toml
index c50ab13..d2a3879 100644
--- a/syndicate/Cargo.toml
+++ b/syndicate/Cargo.toml
@@ -13,11 +13,11 @@ license = "Apache-2.0"
 vendored-openssl = ["openssl/vendored"]
 
 [build-dependencies]
-preserves-schema = "3.0"
+preserves-schema = "3.1"
 
 [dependencies]
 preserves = "3.0"
-preserves-schema = "3.0"
+preserves-schema = "3.1"
 
 tokio = { version = "1.10", features = ["io-util", "macros", "rt", "rt-multi-thread", "time"] }
 tokio-util = "0.6"