diff --git a/custodia.spec b/custodia.spec
index 20d706d..cfe2a37 100644
--- a/custodia.spec
+++ b/custodia.spec
@@ -26,6 +26,7 @@ BuildRequires:      python-tox >= 2.3.1
 BuildRequires:      python2-pytest
 BuildRequires:      python2-python-etcd
 BuildRequires:      python-docutils
+BuildRequires:      python2-configparser
 
 %if 0%{?with_python3}
 BuildRequires:      python3-devel
@@ -33,9 +34,11 @@ BuildRequires:      python3-jwcrypto
 BuildRequires:      python3-requests
 BuildRequires:      python3-setuptools > 18
 BuildRequires:      python3-coverage
+BuildRequires:      python3-tox >= 2.3.1
 BuildRequires:      python3-pytest
 BuildRequires:      python3-python-etcd
 BuildRequires:      python3-docutils
+BuildRequires:      python3-configparser
 %endif
 
 Requires:           python2-custodia = %{version}-%{release}