diff --git a/kernel.spec b/kernel.spec
index c9fa613..3febd1c 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -198,6 +198,7 @@ BuildRequires:	bison
 BuildRequires:	flex
 
 BuildRequires:	bzip2
+BuildRequires:	pkgconfig(libzstd)
 
 BuildRequires:	rsync
 
@@ -219,10 +220,12 @@ BuildRequires:		elfutils-devel
 BuildRequires:		libunwind-devel
 BuildRequires:		newt-devel
 BuildRequires:		perl-devel
-BuildRequires:		python-devel
+BuildRequires:		python3
+BuildRequires:		python3-devel
 BuildRequires:		xmlto
 BuildRequires:		zlib-devel
 BuildRequires:		pkgconfig(libcrypto)
+BuildRequires:		pkgconfig(libcap)
 %endif
 
 # might be useful too: