diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 544bfad..ca56468 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -1,6 +1,14 @@
 name: Formatting check
 on:
-- pull_request
+  pull_request:
+    paths:
+      - pennylane_sf/**
+      - tests/**
+      - .pylintrc
+      - Makefile
+      - requirements-ci.txt
+      - requirements.txt
+      - setup.py
 
 jobs:
   black:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 1fd2034..6803fc3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -4,6 +4,14 @@ on:
     branches:
       - master
   pull_request:
+    paths:
+      - pennylane_sf/**
+      - tests/**
+      - .pylintrc
+      - Makefile
+      - requirements-ci.txt
+      - requirements.txt
+      - setup.py
 
 jobs:
   tests:
diff --git a/.readthedocs.yml b/.readthedocs.yml
index 38e6c02..acec301 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -4,16 +4,12 @@ sphinx:
   configuration: doc/conf.py
 
 python:
-    install:
-        - requirements: requirements-ci.txt
-        - requirements: doc/requirements.txt
-        - method: pip
-          path: .
+  install:
+    - requirements: doc/requirements.txt
+    - method: pip
+      path: .
 
 build:
-    os: ubuntu-22.04
-    tools:
-        python: "3.8"
-    jobs:
-        pre_install:
-            - echo "setuptools~=66.0\npip~=22.0" >> requirements-ci.txt
+  os: ubuntu-22.04
+  tools:
+    python: "3.9"
diff --git a/doc/requirements.txt b/doc/requirements.txt
index 60e00b3..c9e62b3 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -13,6 +13,11 @@ docutils==0.16
 StrawberryFields==0.23.0
 sphinx==3.5; python_version < "3.10"
 sphinx==4.2; python_version == "3.10"
+sphinxcontrib-applehelp==1.0.4
+sphinxcontrib-devhelp==1.0.2
+sphinxcontrib-htmlhelp==2.0.1
+sphinxcontrib-qthelp==1.0.3
+sphinxcontrib-serializinghtml==1.1.5
 sphinx-automodapi==0.13
 sphinx-copybutton
 sphinxcontrib-bibtex==2.4.2