diff --git a/analyzer/pyproject.toml b/analyzer/pyproject.toml
new file mode 100644
index 000000000..9787c3bdf
--- /dev/null
+++ b/analyzer/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
diff --git a/analyzer/setup.py b/analyzer/setup.py
index db46cec42..c50b77282 100644
--- a/analyzer/setup.py
+++ b/analyzer/setup.py
@@ -38,8 +38,8 @@ setup(
     extras_require={
         "dev": [
             "distro",
-            f"libretime-api-client @ file://localhost/{here.parent / 'api_client'}#egg=libretime_api_client",
-            f"libretime-shared @ file://localhost/{here.parent / 'shared'}#egg=libretime_shared",
+            f"libretime-api-client @ file://localhost{here.parent / 'api_client'}",
+            f"libretime-shared @ file://localhost{here.parent / 'shared'}",
         ],
     },
     zip_safe=False,
diff --git a/api/pyproject.toml b/api/pyproject.toml
new file mode 100644
index 000000000..9787c3bdf
--- /dev/null
+++ b/api/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
diff --git a/api_client/pyproject.toml b/api_client/pyproject.toml
new file mode 100644
index 000000000..9787c3bdf
--- /dev/null
+++ b/api_client/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
diff --git a/playout/pyproject.toml b/playout/pyproject.toml
new file mode 100644
index 000000000..9787c3bdf
--- /dev/null
+++ b/playout/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
diff --git a/playout/setup.py b/playout/setup.py
index bb155191c..e8b11aa89 100644
--- a/playout/setup.py
+++ b/playout/setup.py
@@ -46,8 +46,8 @@ setup(
     ],
     extras_require={
         "dev": [
-            f"libretime-shared @ file://localhost/{here.parent / 'shared'}#egg=libretime_shared",
-            f"libretime-api-client @ file://localhost/{here.parent / 'api_client'}#egg=libretime_api_client",
+            f"libretime-api-client @ file://localhost{here.parent / 'api_client'}",
+            f"libretime-shared @ file://localhost{here.parent / 'shared'}",
         ],
     },
     zip_safe=False,
diff --git a/shared/pyproject.toml b/shared/pyproject.toml
new file mode 100644
index 000000000..9787c3bdf
--- /dev/null
+++ b/shared/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
diff --git a/tools/pyproject.toml b/tools/pyproject.toml
new file mode 100644
index 000000000..9787c3bdf
--- /dev/null
+++ b/tools/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
diff --git a/worker/pyproject.toml b/worker/pyproject.toml
new file mode 100644
index 000000000..9787c3bdf
--- /dev/null
+++ b/worker/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"