diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 0638050a..9e830678 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -83,7 +83,7 @@ jobs:
         echo "Installing pip + wheel..."
         python -m pip install --upgrade pip wheel
         echo "Installing requirements.txt + test dependencies..."
-        python -m pip install -r requirements.txt tox tox-gh-actions certifi decorator dict2xml pyflakes "pypdf>=4.1.0" "weasyprint>=53.0,!=57.0,!=60.0"
+        python -m pip install -r requirements.txt tox tox-gh-actions certifi decorator dict2xml pyflakes "pypdf>=4.1.0" "weasyprint==61.2" "pydyf<0.11.0"
         
     - name: Generate Valid Tests
       run: |
@@ -135,7 +135,7 @@ jobs:
         echo "Installing pip + wheel..."
         python -m pip install --upgrade pip wheel
         echo "Installing requirements.txt + test dependencies..."
-        python -m pip install -r requirements.txt tox tox-gh-actions certifi decorator dict2xml pyflakes "pypdf>=4.1.0" "weasyprint>=53.0,!=57.0,!=60.0"
+        python -m pip install -r requirements.txt tox tox-gh-actions certifi decorator dict2xml pyflakes "pypdf>=4.1.0" "weasyprint==61.2" "pydyf<0.11.0"
         
     - name: Generate Valid Tests
       run: |
@@ -185,7 +185,7 @@ jobs:
 #         echo "Installing pip + wheel..."
 #         python -m pip install --upgrade pip wheel
 #         echo "Installing requirements.txt + test dependencies..."
-#         python -m pip install -r requirements.txt tox tox-gh-actions certifi decorator dict2xml pyflakes "pypdf>=4.1.0" "weasyprint>=53.0,!=57.0,!=60.0"
+#         python -m pip install -r requirements.txt tox tox-gh-actions certifi decorator dict2xml pyflakes "pypdf>=4.1.0" "weasyprint==61.2" "pydyf<0.11.0"
 #     - name: Generate Valid Tests
 #       run: |
 #         make yestests || true
diff --git a/README.md b/README.md
index a9f1540f..7f799a57 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ In order to generate PDFs, **xml2rfc** uses the [WeasyPrint] module, which depen
 2. Next, install WeasyPrint python modules using pip.
 
 ```sh
-pip install 'weasyprint>=53.0,!=57.0,!=60.0'
+pip install xml2rfc[pdf]
 ```
 3. Finally, install the required fonts:
   * Download latest fonts from [xml2rfc-fonts](https://github.com/ietf-tools/xml2rfc-fonts/releases/latest).
diff --git a/docker/base.Dockerfile b/docker/base.Dockerfile
index 66c382ee..7b4ae9b4 100644
--- a/docker/base.Dockerfile
+++ b/docker/base.Dockerfile
@@ -54,7 +54,8 @@ RUN pip3 install --upgrade \
 
 # Install Python dependencies
 RUN pip3 install -r requirements.txt \
-    "weasyprint>=53.0,!=57.0,!=60.0" \
+    "weasyprint==61.2" \
+    "pydyf<0.11.0" \
     decorator \
     dict2xml \
     "pypdf>=3.2.1"
diff --git a/setup.cfg b/setup.cfg
index 8c6bace3..a037033b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -56,7 +56,8 @@ console_scripts =
 	xml2rfc = xml2rfc.run:main
 
 [options.extras_require]
-pdf = weasyprint>=53.0,!=57.0,!=60.0
+pdf = weasyprint==61.2
+      pydyf<0.11.0
 
 [bdist_wheel]
 universal = 1
diff --git a/tox.ini b/tox.ini
index 016901e0..d371357a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -34,4 +34,5 @@ deps =
     decorator
     dict2xml
     pypdf>=4.1.0
-    weasyprint>=53.0,!=57.0,!=60.0
+    weasyprint==61.2
+    pydyf<0.11.0
diff --git a/xml2rfc/run.py b/xml2rfc/run.py
index f0cc9360..d184fdc7 100755
--- a/xml2rfc/run.py
+++ b/xml2rfc/run.py
@@ -83,7 +83,7 @@ def get_pdf_help(missing_libs=""):
 
     2. Next, install weasyprint python modules using pip.
 
-        pip install 'weasyprint>=53.0,!=57.0,!=60.0'
+        pip install xml2rfc[pdf]
 
     3. Finally, install the required fonts:
        * Download latest fonts from xml2rfc-fonts.