diff --git a/.github/workflows/constraints.txt b/.github/workflows/constraints.txt
index 2776894..0aff724 100644
--- a/.github/workflows/constraints.txt
+++ b/.github/workflows/constraints.txt
@@ -1,6 +1,7 @@
 build==1.2.1
 hatch==1.9.4
 pip==24.0
+pipdeptree==2.16.2
 pre-commit==3.7.0
 setuptools==69.2.0
 wheel==0.43.0
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index aa6d719..d6dd2cd 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -74,6 +74,10 @@ jobs:
         cache: pip
     - run: python -Im pip install --editable .[dev]
     - run: python -Ic 'import oaipmh_scythe.__about__; print(oaipmh_scythe.__about__.__version__)'
+    - name: Set up pipdeptree
+      if: matrix.os == 'ubuntu-latest'
+      run: |
+        python -m pip install --constraint=.github/workflows/constraints.txt pipdeptree
     - name: Write info to step summary
       if: matrix.os == 'ubuntu-latest'
       run: |
diff --git a/pyproject.toml b/pyproject.toml
index 99a517b..f3b5f51d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,6 @@ dependencies = [
 dev = [
   "oaipmh-scythe[lint]",
   "oaipmh-scythe[test]",
-  "pipdeptree~=2.13",
 ]
 docs = [
   "mkdocs~=1.5",