diff --git a/Cargo.lock b/Cargo.lock
index 3b67da5..cb948c9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -840,9 +840,9 @@ checksum = "545b22097d44f8a9581187cdf93de7a71e4722bf51200cfaba810865b49a495d"
 
 [[package]]
 name = "either"
-version = "1.15.0"
+version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
+checksum = "91622ff5e7162018101f2fea40d6ebf4a78bbe5a49736a2020649edf9693679e"
 
 [[package]]
 name = "ena"
diff --git a/Cargo.toml b/Cargo.toml
index b645c0e..ba6d270 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ publish = false
 [dependencies]
 blas-src = "0.14.0"
 chrono = "=0.4.41" # pin because of polars V0.53.0 depends on it.
-either = "1.15.0"
+either = "1.16.0"
 evcxr = "0.21.1"
 ndarray = "0.17.2"
 ndarray-linalg = "0.18.1"