diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 79a543313..73a323f2b 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -22,7 +22,6 @@ formats: []
 # Set the version of Python and other tools you might need
 python:
   install:
-    - requirements: requirements.txt
     - method: pip
       path: .
       extra_requirements:
diff --git a/online-docs/.readthedocs.yaml b/online-docs/.readthedocs.yaml
deleted file mode 100644
index d616bd499..000000000
--- a/online-docs/.readthedocs.yaml
+++ /dev/null
@@ -1,15 +0,0 @@
-version: 1
-
-build:
-  os: "ubuntu-20.04"
-  tools:
-  python: "3.12"
-
-# Build from the docs/ directory with Sphinx
-sphinx:
-  configuration: conf.py
-
-# Explicitly set the version of Python and its requirements
-python:
-  install:
-    - requirements: requirements.txt
diff --git a/online-docs/requirements.txt b/online-docs/requirements.txt
deleted file mode 100644
index 576eb06b0..000000000
--- a/online-docs/requirements.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-sphinx>=7.0.1
-sphinx_rtd_theme>=1.2.2
-readthedocs-sphinx-search>=0.1.1b
-sphinx-togglebutton
-linuxdoc
-sphinx_math_dollar
-nbsphinx
-numpydoc
-sphinx-argparse
-sphinx_tabs
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index df55164e3..000000000
--- a/requirements.txt
+++ /dev/null
@@ -1,49 +0,0 @@
-# File: docs/requirements.txt
-
-# Defining the exact version will make sure things don't break
-
-# sphinx is required.  readthedocs does that automatically, so it doesn't need
-# to be here but you will need it if you want to build the html files locally
-
-# seems obvious, but python is required.  readthedocs does that automatically, 
-# so it doesn't need to be here but you will need it if you want to build the 
-# html files locally
-
-sphinx_rtd_theme==0.5.1
-sphinx-math-dollar>=1.2
-
-sphinxcontrib.bibtex
-
-linuxdoc==20210324
-
-
-numpydoc
-sphinx-tabs
-sphinx-argparse
-
-nbsphinx
-
-ipykernel
-IPython
-pandas
-numpy>=1.16
-# numpydoc
-astropy>=4.0
-# numba>=0.50
-scipy>=1.5.0
-h5py
-matplotlib>=3.3.2
-latex
-PyYAML
-
-# The following are listed in the 'extensions []' block in conf.py
-# Readthedocs doesn't want them here, but they are required if you want
-# to build the html files locally
-#
-# matplotlib.sphinxext.plot_directive
-# sphinx.ext.mathjax
-# sphinx.ext.intersphinx
-# matplotlib.sphinxext.plot_directive
-# IPython.sphinxext.ipython_console_highlighting
-# IPython.sphinxext.ipython_directive
-
diff --git a/setup.py b/setup.py
index cfc45a311..8cf5abe20 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@
     "Programming Language :: Python :: 3",
 ]
 INSTALL_REQUIRES = [
-    "numpy",
+    "numpy>=1.16",
     "h5py",
     "argparse",
     "stroopwafel",
@@ -33,10 +33,10 @@
     "flake8",
     "black==22.10.0",
     "isort",
-    "matplotlib",
+    "matplotlib>=3.3.2",
     "pandas",
-    "astropy",
-    "scipy",
+    "astropy>=4.0",
+    "scipy>=1.5.0",
     "latex",
     "PyYAML",
     "tqdm",
@@ -44,16 +44,19 @@
 ]
 EXTRA_REQUIRE = dict(
     docs=[
-        "sphinx",
+        "sphinx>=7.0.1",
         "numpydoc",
         "nbsphinx",
-        "sphinx_rtd_theme",
+        "sphinx_rtd_theme>=1.2.2",
         "sphinx-tabs",
         "sphinx-argparse",
-        "sphinx-math-dollar",
+        "sphinx-math-dollar>=1.2",
         "sphinxcontrib.bibtex",
         "linuxdoc",
-        "ipython"
+        "ipython",
+        "readthedocs-sphinx-search>=0.1.1b",
+        "sphinx-togglebutton",
+        "linuxdoc>=20210324"
     ],
     dev=[
         "pytest-cov",