diff --git a/requirements.txt b/requirements.txt
index e32804e3..9a0bc8e9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,40 @@
-nose2==0.14.0
-psycopg2-binary==2.9.9 # on Debian derivates this requires `libpq-dev`
+asgiref==3.7.2
+    # via django
+django==5.0
+    # via -r requirements.in
+et-xmlfile==1.1.0
+    # via openpyxl
 icalendar==5.0.11
+    # via -r requirements.in
+nose2==0.14.0
+    # via -r requirements.in
+numpy==1.26.2
+    # via pandas
 openpyxl==3.1.2
-Django==5.0
-plotly==5.18.0
+    # via -r requirements.in
+packaging==23.2
+    # via plotly
 pandas==2.1.4
+    # via -r requirements.in
+plotly==5.18.0
+    # via -r requirements.in
+psycopg2-binary==2.9.9
+    # via -r requirements.in
+python-dateutil==2.8.2
+    # via
+    #   icalendar
+    #   pandas
+pytz==2023.3.post1
+    # via
+    #   icalendar
+    #   pandas
+six==1.16.0
+    # via python-dateutil
+sqlparse==0.4.4
+    # via django
+tenacity==8.2.3
+    # via plotly
+typing-extensions==4.9.0
+    # via asgiref
+tzdata==2023.3
+    # via pandas