diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 3bf1101..009749a 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -5,7 +5,12 @@
 
 version: 2
 updates:
-  - package-ecosystem: "pip" # See documentation for possible values
-    directory: "/" # Location of package manifests
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
     schedule:
       interval: "monthly"
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2412d93..0833b8e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -20,13 +20,13 @@ jobs:
     steps:
 
       - name: Acquire sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Graphviz
         uses: ts-graphviz/setup-graphviz@v1
 
       - name: Install Poetry
-        run: pipx install poetry==1.2.2
+        run: pipx install poetry
 
       - name: Install Python
         uses: actions/setup-python@v4