diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c21809a..1bafead 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: [3.7, 3.8, 3.9]
 
     steps:
       - uses: actions/checkout@v3
@@ -56,7 +56,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.x"
+          python-version: "3.9"
       - name: Set Poetry cache
         uses: actions/cache@v3
         id: poetry-cache
@@ -87,7 +87,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.x"
+          python-version: "3.9"
       - name: Check release
         id: check_release
         run: |
diff --git a/pyproject.toml b/pyproject.toml
index f21d8ae..7797840 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,13 +28,13 @@ classifiers = [
 "Issue Tracker" = "https://github.com/pelican-plugins/share-post/issues"
 
 [tool.poetry.dependencies]
-python = ">=3.6.2,<4.0"
+python = ">=3.7,<4.0"
 pelican = ">=4.5"
-markdown = {version = ">=3.2", optional = true}
+markdown = {version = ">=3.2.2", optional = true}
 beautifulsoup4 = "^4.9.3"
 
 [tool.poetry.dev-dependencies]
-black = {version = "^21.4b2", allow-prereleases = true}
+black = {version = ">=22.3.0", allow-prereleases = true}
 flake8 = "^3.9"
 flake8-black = "^0.2.0"
 invoke = "^1.3"