diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..8b33e66
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,4 @@
+# This file may be used to create an environment using:
+# $ conda create --name <env> --file <this file>
+jupyter>=1.0.0=py311hca03da5_8
+python>=3.11.5=hb885b13_0
diff --git a/test.ipynb b/test.ipynb
index 60ca48f..ddf2207 100644
--- a/test.ipynb
+++ b/test.ipynb
@@ -8166,7 +8166,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.15"
+   "version": "3.11.5"
   }
  },
  "nbformat": 4,