diff --git a/pkgs/python-packages-overrides.nix b/pkgs/python-packages-overrides.nix
--- a/pkgs/python-packages-overrides.nix
+++ b/pkgs/python-packages-overrides.nix
@@ -24,6 +24,13 @@ self: super: {
     '';
   });
 
+  hgsubversion = super.hgsubversion.override (attrs: {
+    propagatedBuildInputs = attrs.propagatedBuildInputs ++ [
+      pkgs.sqlite
+      basePythonPackages.sqlite3
+    ];
+  });
+
   mercurial = super.mercurial.override (attrs: {
     propagatedBuildInputs = attrs.propagatedBuildInputs ++ [
       self.python.modules.curses
diff --git a/vcsserver/tests/test_hgpatches.py b/vcsserver/tests/test_hgpatches.py
--- a/vcsserver/tests/test_hgpatches.py
+++ b/vcsserver/tests/test_hgpatches.py
@@ -83,6 +83,11 @@ def test_dynamic_capabilities_uses_large
     assert LARGEFILES_CAPABILITY in caps
 
 
+def test_hgsubversion_import():
+    from hgsubversion import svnrepo
+    assert svnrepo
+
+
 @pytest.fixture
 def patched_capabilities(request):
     """