diff --git a/python-zstandard.spec b/python-zstandard.spec
index 22b786d..ffbf86a 100644
--- a/python-zstandard.spec
+++ b/python-zstandard.spec
@@ -31,7 +31,7 @@ BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
 BuildRequires:  libzstd-devel
 BuildRequires:  python-rpm-macros
-BuildRequires:  zstd
+BuildRequires:  zstd = 1.5.5
 Requires:       python-cffi >= 1.11
 Requires:       zstd
 Conflicts:      python-zstd