diff --git a/Cargo.toml b/Cargo.toml
index d19ac20e..c90e1157 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,8 +41,8 @@ polars = { version = "0.37.0", features = ["lazy", "rows", "ndarray"] }
 pyo3-polars = "0.11.1"
 pyo3 = { version = "0.20.2", default-features = false }
 pyo3-log = "0.9.0"
-tracing = {  version ="0.1", features = ["log"] }
+tracing = { version = "0.1", features = ["log"] }
 csv = "1.1"
-hdf5 = { git="https://github.com/aldanor/hdf5-rust.git", package = "hdf5", features=["static", "zlib"] }
-pywr-v1-schema = { git = "https://github.com/pywr/pywr-schema/", tag="v0.9.0", package = "pywr-schema" }
-chrono = { workspace = true }
\ No newline at end of file
+hdf5 = { git = "https://github.com/aldanor/hdf5-rust.git", package = "hdf5", features = ["static", "zlib"] }
+pywr-v1-schema = { git = "https://github.com/pywr/pywr-schema/", tag = "v0.9.0", package = "pywr-schema" }
+chrono = { version = "0.4.34" }