diff --git a/.azure-pipelines/docs-steps.yml b/.azure-pipelines/docs-steps.yml
index 9636196..eaf4ad0 100644
--- a/.azure-pipelines/docs-steps.yml
+++ b/.azure-pipelines/docs-steps.yml
@@ -12,7 +12,7 @@
   inputs:
     versionSpec: '>=3.6'
 
-- script: python -m pip install sphinx==2.0.1 blurb python-docs-theme
+- script: python -m pip install sphinx==2.2.0 blurb python-docs-theme
   displayName: 'Install build dependencies'
 
 - ${{ if ne(parameters.latex, 'true') }}:
@@ -21,7 +21,7 @@
     displayName: 'Build documentation'
 
 - ${{ if eq(parameters.latex, 'true') }}:
-  - script: sudo apt-get update && sudo apt-get install -qy --force-yes texlive-full 
+  - script: sudo apt-get update && sudo apt-get install -qy --force-yes texlive-full
     displayName: 'Install LaTeX'
 
   - script: make dist PYTHON=python SPHINXBUILD='python -m sphinx' BLURB='python -m blurb'
diff --git a/.travis.yml b/.travis.yml
index d4275fd..807a7b2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -55,7 +55,7 @@
         # Sphinx is pinned so that new versions that introduce new warnings won't suddenly cause build failures.
         # (Updating the version is fine as long as no warnings are raised by doing so.)
         # The theme used by the docs is stored separately, so we need to install that as well.
-        - python -m pip install sphinx==2.0.1 blurb python-docs-theme
+        - python -m pip install sphinx==2.2.0 blurb python-docs-theme
       script:
         - make check suspicious html SPHINXOPTS="-q -W -j4"
     - name: "Documentation tests"
diff --git a/Doc/Makefile b/Doc/Makefile
index 86207fe..05361f2 100644
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -143,7 +143,7 @@
 venv:
 	$(PYTHON) -m venv $(VENVDIR)
 	$(VENVDIR)/bin/python3 -m pip install -U pip setuptools
-	$(VENVDIR)/bin/python3 -m pip install -U Sphinx==2.0.1 blurb python-docs-theme
+	$(VENVDIR)/bin/python3 -m pip install -U Sphinx==2.2.0 blurb python-docs-theme
 	@echo "The venv has been created in the $(VENVDIR) directory"
 
 dist:
diff --git a/Doc/requirements.txt b/Doc/requirements.txt
index e0d7ca8..198446b 100644
--- a/Doc/requirements.txt
+++ b/Doc/requirements.txt
@@ -1,5 +1,5 @@
 # Requirements for docs build on netlify
 # Pin sphinx to version specified in .travis.yml
-sphinx==2.0.1
+sphinx==2.2.0
 blurb
 python-docs-theme
diff --git a/Mac/BuildScript/build-installer.py b/Mac/BuildScript/build-installer.py
index 0dd5364..3d1381b 100755
--- a/Mac/BuildScript/build-installer.py
+++ b/Mac/BuildScript/build-installer.py
@@ -1068,7 +1068,7 @@
     runCommand('make clean')
     # Create virtual environment for docs builds with blurb and sphinx
     runCommand('make venv')
-    runCommand('venv/bin/python3 -m pip install -U Sphinx==2.0.1')
+    runCommand('venv/bin/python3 -m pip install -U Sphinx==2.2.0')
     runCommand('make html PYTHON=venv/bin/python')
     os.chdir(curDir)
     if not os.path.exists(docdir):