diff --git a/implementations/rust/preserves-path/Cargo.toml b/implementations/rust/preserves-path/Cargo.toml
index 385fe70..37425d5 100644
--- a/implementations/rust/preserves-path/Cargo.toml
+++ b/implementations/rust/preserves-path/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "preserves-path"
-version = "4.990.0"
+version = "4.990.1"
 authors = ["Tony Garnock-Jones <tonyg@leastfixedpoint.com>"]
 edition = "2018"
 description = "Implementation of preserves-path, a query language for Preserves documents."
diff --git a/implementations/rust/preserves-schema/Cargo.toml b/implementations/rust/preserves-schema/Cargo.toml
index d43deb6..80f7557 100644
--- a/implementations/rust/preserves-schema/Cargo.toml
+++ b/implementations/rust/preserves-schema/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "preserves-schema"
-version = "3.990.3"
+version = "3.990.4"
 authors = ["Tony Garnock-Jones <tonyg@leastfixedpoint.com>"]
 edition = "2018"
 description = "Implementation of Preserves Schema code generation and support for Rust."
diff --git a/implementations/rust/preserves-tools/Cargo.toml b/implementations/rust/preserves-tools/Cargo.toml
index e483c74..ca70a12 100644
--- a/implementations/rust/preserves-tools/Cargo.toml
+++ b/implementations/rust/preserves-tools/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "preserves-tools"
-version = "3.990.0"
+version = "3.990.1"
 authors = ["Tony Garnock-Jones <tonyg@leastfixedpoint.com>"]
 edition = "2018"
 description = "Command-line utilities for working with Preserves documents."
diff --git a/implementations/rust/preserves/Cargo.toml b/implementations/rust/preserves/Cargo.toml
index 6d8bd77..a7e525b 100644
--- a/implementations/rust/preserves/Cargo.toml
+++ b/implementations/rust/preserves/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "preserves"
-version = "3.990.2"
+version = "3.990.3"
 authors = ["Tony Garnock-Jones <tonyg@leastfixedpoint.com>"]
 edition = "2018"
 description = "Implementation of the Preserves serialization format via serde."