diff --git a/.fmf/version b/.fmf/version
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/.fmf/version
@@ -0,0 +1 @@
+1
diff --git a/plans/ci.fmf b/plans/ci.fmf
new file mode 100644
index 0000000..d890aec
--- /dev/null
+++ b/plans/ci.fmf
@@ -0,0 +1,6 @@
+summary: Run CI tests
+discover:
+    how: fmf
+execute:
+    how: tmt
+
diff --git a/tests/main.fmf b/tests/main.fmf
new file mode 100644
index 0000000..1cfafe2
--- /dev/null
+++ b/tests/main.fmf
@@ -0,0 +1 @@
+component: python-ruamel-yaml
diff --git a/tests/sf534/main.fmf b/tests/sf534/main.fmf
new file mode 100644
index 0000000..5480ac5
--- /dev/null
+++ b/tests/sf534/main.fmf
@@ -0,0 +1,5 @@
+summary: Regression test for upstream ticket 534
+require: python3-ruamel-yaml
+link:
+  - verifies: https://sourceforge.net/p/ruamel-yaml/tickets/534/
+test: python3 test.py
diff --git a/tests/sf534/test.py b/tests/sf534/test.py
new file mode 100644
index 0000000..8302605
--- /dev/null
+++ b/tests/sf534/test.py
@@ -0,0 +1,32 @@
+# Taken from https://sourceforge.net/p/ruamel-yaml/tickets/534/
+
+from io import StringIO
+from ruamel.yaml import YAML
+
+original = '0: foo\n'
+py_original = {0: 'foo'}
+prefix = '%YAML 1.1\n---\n'
+
+yaml = YAML()
+yaml.version = (1, 1)
+
+loaded = yaml.load(original)
+assert loaded == py_original
+
+print('Fresh')
+stream = StringIO()
+yaml.dump(py_original, stream)
+fresh = stream.getvalue()
+print(fresh)
+assert fresh.startswith(prefix)
+trimmed = fresh[len(prefix):]
+assert trimmed == original, f"{trimmed!r} != {original!r}"
+
+print('Round trip')
+stream = StringIO()
+yaml.dump(loaded, stream)
+round_tripped = stream.getvalue()
+print(round_tripped)
+assert round_tripped.startswith(prefix)
+trimmed = round_tripped[len(prefix):]
+assert trimmed == original, f"{trimmed!r} != {original!r}"