diff --git a/s390utils.spec b/s390utils.spec
index 5119aa4..928a515 100644
--- a/s390utils.spec
+++ b/s390utils.spec
@@ -91,7 +91,7 @@ BuildRequires:  crate(serde_yaml)
 BuildRequires:  crate(strsim)
 BuildRequires:  crate(terminal_size)
 BuildRequires:  crate(thiserror)
-BuildRequires:  crate(zerocopy)
+BuildRequires:  crate(zerocopy) = 0.6.5
 BuildRequires:  rust-packaging
 %endif
 %endif