diff --git a/Cargo.toml b/Cargo.toml
index b7e5bcd3..11904f1d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,8 +37,8 @@ highs-sys = {  git = "https://github.com/jetuk/highs-sys", branch="fix-build-lib
 # highs-sys = { path = "../../highs-sys" }
 pyo3 = { version = "0.19.0" }
 rayon = "1.6.1"
-polars = { version = "0.32.0", features = ["lazy", "rows", "ndarray"] }
-pyo3-polars = "0.6.0"
+polars = { version = "0.33.2", features = ["lazy", "rows", "ndarray"] }
+pyo3-polars = "0.7.0"
 pywr-schema = { git = "https://github.com/pywr/pywr-schema/", tag="v0.7.0" }
 rhai = { version="1.12.0", features=["sync"] }