diff --git a/.github/workflows/nikola.yml b/.github/workflows/nikola.yml
index 8f87d4c..2c27c3b 100644
--- a/.github/workflows/nikola.yml
+++ b/.github/workflows/nikola.yml
@@ -17,6 +17,10 @@ jobs:
     steps:
       - name: Check out
         uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
       - name: Build docs
         shell: bash
         run: |
diff --git a/Makefile b/Makefile
index c6a3012..a12b97b 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,7 @@ SHELL := bash
 TARGET ?= origin
 # hpy static page and blog makefile
 # type `make help` to see all options 
+PYTHON := python3
 
 all: build
 
@@ -9,8 +10,8 @@ all: build
 
 
 venv_nikola/bin/nikola:  ## create a virtualenv to build the website
-	@virtualenv -ppython3 ./venv_nikola
-	@venv_nikola/bin/python -mpip install nikola==8.2.2 markdown==3.2.2 jinja2 aiohttp watchdog ruamel.yaml feedparser
+	@virtualenv -p $(PYTHON) ./venv_nikola
+	@venv_nikola/bin/python -m pip install -r requirements.txt
 	@venv_nikola/bin/nikola plugin -i sidebar
 	@venv_nikola/bin/nikola plugin -i localsearch
 
diff --git a/README.md b/README.md
index 045c2c2..2198aa0 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,10 @@ behalf using the [GitHub
 OAuth](https://developer.github.com/v3/oauth/#web-application-flow) flow.
 Alternatively, users can comment on the GitHub issue directly.
 
+## Build requirements
+
+Python 3.10 is required to build the web pages.
+
 ## Deployment
 
 Any changes to the main branch (including merging PRs) regenerates and pushes
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..b157ab4
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,7 @@
+aiohttp
+feedparser
+jinja2
+markdown==3.2.2
+nikola==8.2.2
+ruamel.yaml
+watchdog