diff --git a/nispor.spec b/nispor.spec
index b0cd880..30fb3a1 100644
--- a/nispor.spec
+++ b/nispor.spec
@@ -25,6 +25,8 @@ BuildRequires:  (crate(tokio/macros) >= 0.2.0 with crate(tokio/macros) < 0.3.0)
 BuildRequires:  (crate(tokio/rt-core) >= 0.2.0 with crate(tokio/rt-core) < 0.3.0)
 BuildRequires:  (crate(varlink/default) >= 11 with crate(varlink/default) < 12)
 BuildRequires:  (crate(libc/default) >= 0.2.74 with crate(libc/default) < 0.3.0)
+BuildRequires:  (crate(clap/default) >= 2.33.3 with crate(clap/default) < 3.0)
+BuildRequires:  (crate(serde_yaml/default) >= 0.8 with crate(serde_yaml/default) < 0.9)
 
 %description
 Unified interface for Linux network state querying.