diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index dd882d9..45253a5 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -25,9 +25,8 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install flake8 mypy pytest pylint \
-          types-all types-attrs types-dataclasses types-PyYAML types-typed-ast
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+        if [ -f requirements_dev.txt ]; then pip install -r requirements_dev.txt; fi
     - name: MyPy types checking
       run: |
         mypy --config-file .mypy.ini markdown_toolset
diff --git a/requirements.txt b/requirements.txt
index f35e36e..a2646d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,4 @@
 markdown==3.2.1
 pillow==10.3.0
 requests==2.31.0
-types-markdown==3.6.0.20240316
 weasyprint==51
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 561cab7..78ab2ee 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1 +1,11 @@
+flake8
+mypy
 pre-commit==2.20.0
+pylint
+pytest
+types-all
+types-attrs
+types-dataclasses
+types-markdown
+types-PyYAML
+types-typed-ast