diff --git a/python-PyNaCl.spec b/python-PyNaCl.spec
index a9ab82e..36e781d 100644
--- a/python-PyNaCl.spec
+++ b/python-PyNaCl.spec
@@ -34,7 +34,7 @@ BuildRequires:  %{python_module wheel}
 BuildRequires:  fdupes
 BuildRequires:  pkgconfig
 BuildRequires:  python-rpm-macros
-BuildRequires:  pkgconfig(libsodium) >= 1.0.20
+BuildRequires:  pkgconfig(libsodium) >= 1.0.21
 Requires:       python-cffi
 # SECTION test requirements
 BuildRequires:  %{python_module hypothesis >= 3.27.0}