diff --git a/Cargo.lock b/Cargo.lock
index ab13420..068012c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -228,7 +228,7 @@ checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
 [[package]]
 name = "xlformula_engine"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
  "assert_approx_eq",
  "chrono",
diff --git a/Cargo.toml b/Cargo.toml
index e8beb73..099e5a9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 name = "xlformula_engine"
 readme = "README.md"
 repository = "https://github.com/jiradaherbst/XLFormula-Engine"
-version = "0.3.0"
+version = "0.3.1"
 
 [features]
 default = ["f64"]