diff --git a/exercises.ini b/exercises.ini
deleted file mode 100644
index b86049b3..00000000
--- a/exercises.ini
+++ /dev/null
@@ -1,18 +0,0 @@
-[discovery]
-warmup = import importlib_metadata
-exercise = importlib_metadata.distribution("ipython")
-extras = perf
-
-[entry_points()]
-warmup = import importlib_metadata
-exercise = importlib_metadata.entry_points()
-
-[cached distribution]
-warmup = import importlib_metadata; importlib_metadata.distribution("ipython")
-exercise = importlib_metadata.distribution("ipython")
-extras = perf
-
-[uncached distribution]
-warmup = import importlib, importlib_metadata
-exercise = importlib.invalidate_caches(); importlib_metadata.distribution("ipython")
-extras = perf
diff --git a/exercises.py b/exercises.py
new file mode 100644
index 00000000..6358b05a
--- /dev/null
+++ b/exercises.py
@@ -0,0 +1,32 @@
+from pytest_perf.deco import extras
+
+
+@extras('perf')
+def discovery_perf():
+    "discovery"
+    import importlib_metadata  # end warmup
+    importlib_metadata.distribution('ipython')
+
+
+def entry_points_perf():
+    "entry_points()"
+    import importlib_metadata  # end warmup
+    importlib_metadata.entry_points()
+
+
+@extras('perf')
+def cached_distribution_perf():
+    "cached distribution"
+    import importlib_metadata
+    importlib_metadata.distribution('ipython')  # end warmup
+    importlib_metadata.distribution('ipython')
+
+
+@extras('perf')
+def uncached_distribution_perf():
+    "uncached distribution"
+    import importlib
+    import importlib_metadata
+    # end warmup
+    importlib.invalidate_caches()
+    importlib_metadata.distribution('ipython')
diff --git a/setup.cfg b/setup.cfg
index b0518189..86b83819 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -51,7 +51,7 @@ testing =
 	pep517
 	pyfakefs
 	flufl.flake8
-	pytest-perf >= 0.6.2
+	pytest-perf >= 0.9
 
 docs =
 	# upstream