diff --git a/docs/source/conf.py b/docs/source/conf.py
index a324c0ac..e17d0cbf 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -19,7 +19,8 @@
 # release is automatically added to the latex document title and header
 release = version
 
-autodoc_mock_imports = ['osgeo', 'sqlite3']
+autodoc_mock_imports = ['osgeo', 'sqlalchemy', 'sqlalchemy_utils', 'geoalchemy2',
+                        'lxml', 'progressbar', 'spatialist']
 
 # If your documentation needs a minimal Sphinx version, state it here.
 needs_sphinx = '1.6'
@@ -43,16 +44,11 @@
 # autodoc_default_flags = ['members']
 autosummary_generate = []
 
-# explicitly link to documentation of the spatialist version installed alongside pyroSAR,
-# which is defined in setup.py and requirements.txt
-version_spatialist = get_version('spatialist')
-
 intersphinx_mapping = {'osgeo': ('https://gdal.org', None),
                        'python': ('https://docs.python.org/3', None),
                        'requests': ('https://requests.readthedocs.io/en/latest', None),
                        'scipy': ('https://docs.scipy.org/doc/scipy', None),
-                       'spatialist': ('https://spatialist.readthedocs.io/en/v{}'
-                                      .format(version_spatialist), None),
+                       'spatialist': ('https://spatialist.readthedocs.io/en/latest', None),
                        'sqlalchemy': ('https://docs.sqlalchemy.org/en/latest', None),
                        'sqlalchemy-utils': ('https://sqlalchemy-utils.readthedocs.io/en/latest', None)
                        }
diff --git a/environment-dev.yml b/environment-dev.yml
index 66f7b378..128da191 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -19,9 +19,3 @@ dependencies:
   - coveralls
   - coverage
   - pytest
-  - sphinx
-  - sphinxcontrib-bibtex>=2.2
-  - pip
-  - cairosvg
-  - pip:
-      - sphinxcontrib-svg2pdfconverter
diff --git a/environment-doc.yml b/environment-doc.yml
new file mode 100644
index 00000000..2461cd4c
--- /dev/null
+++ b/environment-doc.yml
@@ -0,0 +1,13 @@
+name: ps_doc
+channels:
+  - conda-forge
+  - defaults
+dependencies:
+  - matplotlib
+  - numpy
+  - sphinx
+  - sphinxcontrib-bibtex>=2.2
+  - pip
+  - cairosvg
+  - pip:
+      - sphinxcontrib-svg2pdfconverter
diff --git a/readthedocs.yml b/readthedocs.yml
index 979fd1dc..82622675 100644
--- a/readthedocs.yml
+++ b/readthedocs.yml
@@ -6,7 +6,7 @@ build:
     python: "mambaforge-4.10"
 
 conda:
-  environment: environment-dev.yml
+  environment: environment-doc.yml
 
 python:
   install: