diff --git a/gvfs.spec b/gvfs.spec
index f3f75f9..42abe09 100644
--- a/gvfs.spec
+++ b/gvfs.spec
@@ -31,6 +31,7 @@ BuildRequires: systemd-devel >= 44
 BuildRequires: libxslt-devel
 BuildRequires: gtk3-devel
 BuildRequires: docbook-style-xsl
+BuildRequires: polkit-devel
 
 # The patch touches Makefile.am files:
 BuildRequires: automake autoconf