diff --git a/feos-core/CHANGELOG.md b/feos-core/CHANGELOG.md
index fb8cf0b4d..86f8916e4 100644
--- a/feos-core/CHANGELOG.md
+++ b/feos-core/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## Unreleased
+### Added
+- Added specific isochoric and isobaric heat capacities to the Python interface. [#223](https://github.com/feos-org/feos/pull/223))
 
 ## [0.6.1] 2024-01-11
 ### Fixed
diff --git a/feos-core/src/python/state.rs b/feos-core/src/python/state.rs
index 497191e00..133aac279 100644
--- a/feos-core/src/python/state.rs
+++ b/feos-core/src/python/state.rs
@@ -1066,6 +1066,38 @@ macro_rules! impl_state {
                 PySINumber::from(self.0.specific_enthalpy(contributions))
             }
 
+            /// Return mass specific isochoric heat capacity.
+            ///
+            /// Parameters
+            /// ----------
+            /// contributions: Contributions, optional
+            ///     the contributions of the Helmholtz energy.
+            ///     Defaults to Contributions.Total.
+            ///
+            /// Returns
+            /// -------
+            /// SINumber
+            #[pyo3(signature = (contributions=Contributions::Total), text_signature = "($self, contributions)")]
+            fn specific_isochoric_heat_capacity(&self, contributions: Contributions) -> PySINumber {
+                PySINumber::from(self.0.specific_isochoric_heat_capacity(contributions))
+            }
+
+            /// Return mass specific isobaric heat capacity.
+            ///
+            /// Parameters
+            /// ----------
+            /// contributions: Contributions, optional
+            ///     the contributions of the Helmholtz energy.
+            ///     Defaults to Contributions.Total.
+            ///
+            /// Returns
+            /// -------
+            /// SINumber
+            #[pyo3(signature = (contributions=Contributions::Total), text_signature = "($self, contributions)")]
+            fn specific_isobaric_heat_capacity(&self, contributions: Contributions) -> PySINumber {
+                PySINumber::from(self.0.specific_isobaric_heat_capacity(contributions))
+            }
+
             #[getter]
             fn get_total_moles(&self) -> PySINumber {
                 PySINumber::from(self.0.total_moles)