diff --git a/b4.spec b/b4.spec
index c76ab01..b119bf8 100644
--- a/b4.spec
+++ b/b4.spec
@@ -28,15 +28,15 @@ Source0:        %{name}-%{version}.tar.xz
 BuildArch:      noarch
 # SECTION test requirements
 BuildRequires:  git-core
-BuildRequires:  python3-dkimpy
-BuildRequires:  python3-dnspython
-BuildRequires:  python3-patatt
-BuildRequires:  python3-requests
+BuildRequires:  python3-dkimpy >= 1.0.5
+BuildRequires:  python3-dnspython >= 2.0.0
+BuildRequires:  python3-patatt >= 0.5
+BuildRequires:  python3-requests >= 2.24.0
 # /SECTION
 BuildRequires:  python3-setuptools
 Requires:       python3-dkimpy >= 1.0.5
 Requires:       python3-dnspython >= 2.0.0
-Requires:       python3-patatt >= 0.4
+Requires:       python3-patatt >= 0.5
 Requires:       python3-requests >= 2.24.0
 
 %description