diff --git a/Cargo.toml b/Cargo.toml
index ca44fac..cbbd084 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ name = "python_calamine"
 crate-type = ["cdylib"]
 
 [dependencies]
-calamine = {git = "https://github.com/tafia/calamine.git", rev = "a54bd9cddc61a4a30475c4454efbbb2eecf9f975", features = ["dates"]}
+calamine = {git = "https://github.com/tafia/calamine.git", rev = "c860397432e39cf6566bba3e148ece3632ba88d7", features = ["dates"]}
 pyo3 = {version = "0.19.0", features = ["extension-module", "chrono"]}
 chrono = {version = "0.4.26", features = ["serde"]}
 pyo3-file = "0.7.0"