diff --git a/manifest.scm b/manifest.scm
index 3f7d914..5d35665 100644
--- a/manifest.scm
+++ b/manifest.scm
@@ -210,4 +210,4 @@ user-defined extensions).")
               "python-scipy" "python-scikit-learn"
               "python-pyqt@5" "python-pyqt5-sip"
               "python-numpy@1" "python-pandas@1.5"
-              "python-matplotlib"))))
+              "python-matplotlib" "python-odfpy"))))
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..10a565e
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,13 @@
+matplotlib==3.6.3
+numpy==1.23.5
+pandas==1.5.3
+PyQt5==5.15.9
+PyQt5-Qt5==5.15.2
+PyQt5-sip==12.11.0
+python-dateutil==2.8.2
+scikit-learn==1.2.1
+scipy==1.10.0
+pyqt-file-list-widget==0.0.1
+qtrangeslider==0.1.5
+astropy==6.1.7
+odfpy==1.4.1