diff --git a/python-rounding/README.md b/python-rounding/README.md
index 3a6ab62c59..3dde0a3b8d 100644
--- a/python-rounding/README.md
+++ b/python-rounding/README.md
@@ -1,3 +1,11 @@
 # How to Round Numbers in Python
 
 Here you can find code examples showing different rounding strategies as covered by the Real Python tutorial [How to Round Numbers in Python](https://realpython.com/python-rounding/).
+
+## Requirements
+
+The code requires Python 3.12 or later. To run the NumPy and pandas examples, install the pinned dependencies into a virtual environment:
+
+```console
+$ python -m pip install -r requirements.txt
+```
diff --git a/python-rounding/requirements.txt b/python-rounding/requirements.txt
new file mode 100644
index 0000000000..7c32977de0
--- /dev/null
+++ b/python-rounding/requirements.txt
@@ -0,0 +1,2 @@
+numpy==2.5.3
+pandas==3.0.6