diff --git a/doc/changelog.md b/doc/changelog.md
index 20942849..3bd42254 100644
--- a/doc/changelog.md
+++ b/doc/changelog.md
@@ -2,6 +2,10 @@
 
 # Change Log
 
+## May-4-2024: Version 3.0.3
+
+- Release to follow the update of phonopy.
+
 ## Apr-21-2024: Version 3.0.2
 
 - New way of ph-ph interaction calculation (see {ref}`changelog_v290`) is used as
diff --git a/doc/conf.py b/doc/conf.py
index 2d38dbd6..e4c57601 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -60,7 +60,7 @@
 # The short X.Y version.
 version = "3.0"
 # The full version, including alpha/beta/rc tags.
-release = "3.0.2"
+release = "3.0.3"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/phono3py/version.py b/phono3py/version.py
index c2305594..3426bb80 100644
--- a/phono3py/version.py
+++ b/phono3py/version.py
@@ -34,4 +34,4 @@
 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
 
-__version__ = "3.0.2"
+__version__ = "3.0.3"
diff --git a/requirements.txt b/requirements.txt
index ed682251..a8ad2963 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@ numpy >= 1.17.0
 PyYAML >= 5.3
 matplotlib >= 2.2.2
 h5py >= 3.0
-phonopy >=2.22,<2.23
+phonopy >=2.23,<2.24
diff --git a/setup.py b/setup.py
index 2f0cbba5..26c05a49 100644
--- a/setup.py
+++ b/setup.py
@@ -326,7 +326,7 @@ def main(build_dir):
             "matplotlib>=2.2.2",
             "h5py>=3.0",
             "spglib>=2.0",
-            "phonopy>=2.22,<2.23",
+            "phonopy>=2.23,<2.24",
         ],
         provides=["phono3py"],
         scripts=scripts_phono3py,