diff --git a/changelog_entry.yaml b/changelog_entry.yaml
index 8716d2e7..58659269 100644
--- a/changelog_entry.yaml
+++ b/changelog_entry.yaml
@@ -1,7 +1,4 @@
 - bump: patch
   changes:
-    added:
-    - Poverty output type for single-simulation analysis
-    - Inequality output type with Gini coefficient
-    fixed:
-    - Labels now correctly apply to breakdown parameters
+    changed:
+      - Bumped policyengine-core minimum version to 3.23.5 for pandas 3.0 compatibility
diff --git a/pyproject.toml b/pyproject.toml
index c50583e8..d96edda2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ requires-python = ">=3.13"
 dependencies = [
     "pydantic>=2.0.0",
     "pandas>=2.0.0",
-    "microdf_python",
+    "microdf_python>=1.2.1",
     "plotly>=5.0.0",
     "requests>=2.31.0",
     "psutil>=5.9.0",
@@ -23,11 +23,11 @@ dependencies = [
 
 [project.optional-dependencies]
 uk = [
-    "policyengine_core>=3.10",
+    "policyengine_core>=3.23.6",
     "policyengine-uk>=2.51.0",
 ]
 us = [
-    "policyengine_core>=3.10",
+    "policyengine_core>=3.23.6",
     "policyengine-us>=1.213.1",
 ]
 dev = [
@@ -41,7 +41,7 @@ dev = [
     "build",
     "pytest-asyncio>=0.26.0",
     "ruff>=0.5.0",
-    "policyengine_core>=3.10",
+    "policyengine_core>=3.23.6",
     "policyengine-uk>=2.51.0",
     "policyengine-us>=1.213.1",
 ]
diff --git a/tests/test_pandas3_compatibility.py b/tests/test_pandas3_compatibility.py
new file mode 100644
index 00000000..93fecd4d
--- /dev/null
+++ b/tests/test_pandas3_compatibility.py
@@ -0,0 +1,19 @@
+"""Test pandas 3.0 compatibility with enum encoding."""
+import pandas as pd
+from policyengine_core.enums import Enum
+
+
+class SampleEnum(Enum):
+    VALUE_A = "value_a"
+    VALUE_B = "value_b"
+
+
+def test_enum_encode_with_pandas_series():
+    """Test that Enum.encode works with pandas Series."""
+    enum_items = [SampleEnum.VALUE_A, SampleEnum.VALUE_B, SampleEnum.VALUE_A]
+    series = pd.Series(enum_items)
+
+    encoded = SampleEnum.encode(series)
+
+    assert len(encoded) == 3
+    assert list(encoded) == [0, 1, 0]