diff --git a/HISTORY.asc b/HISTORY.asc
index 39e956c..a11f54c 100644
--- a/HISTORY.asc
+++ b/HISTORY.asc
@@ -1,3 +1,6 @@
+STABLE
+------
+
 0.5.0
 -----
 Distribution 0.5.0 ships `test_factory` 0.5.0 and `test_factory_pgtap` 0.1.0.
diff --git a/sql/test_factory--0.5.0--stable.sql b/sql/test_factory--0.5.0--stable.sql
new file mode 100644
index 0000000..3f60787
--- /dev/null
+++ b/sql/test_factory--0.5.0--stable.sql
@@ -0,0 +1,7 @@
+/*
+ * Genuine no-op: nothing in this extension has changed since 0.5.0 yet.
+ * See sql/test_factory_pgtap--0.1.0--stable.sql for why every extension
+ * keeps one of these between releases.
+ */
+
+-- vi: expandtab ts=2 sw=2
diff --git a/test_factory.control b/test_factory.control
index b05ee89..446c18a 100644
--- a/test_factory.control
+++ b/test_factory.control
@@ -1,5 +1,5 @@
 comment = 'A framework for managing test data'
-default_version = '0.5.0'
+default_version = 'stable'
 relocatable = false
 # Not a security boundary weakening: test_factory__owner is a locked-down,
 # dedicated owner role, and every privileged function is SECURITY DEFINER
diff --git a/test_factory_pgtap.control b/test_factory_pgtap.control
index 0711698..f19f82f 100644
--- a/test_factory_pgtap.control
+++ b/test_factory_pgtap.control
@@ -1,5 +1,5 @@
 comment = 'A framework for managing test data'
-default_version = '0.1.0'
+default_version = 'stable'
 relocatable = false
 requires = 'pgtap, test_factory'
 # See test_factory.control -- same rationale.