diff --git a/libgudev.spec b/libgudev.spec
index 0a8de07..63cb2b0 100644
--- a/libgudev.spec
+++ b/libgudev.spec
@@ -12,8 +12,10 @@ BuildRequires:  gobject-introspection-devel
 BuildRequires:  pkgconfig
 BuildRequires:  libudev-devel
 BuildRequires:  gtk-doc
-BuildRequires:  umockdev-devel
 BuildRequires:  meson
+# For tests
+BuildRequires:  umockdev-devel
+BuildRequires:  glibc-langpack-fr
 
 # Upstream promises to remove libgudev from systemd before this version
 Provides:       libgudev1 = %{version}-%{release}