diff --git a/release.nix b/release.nix
index fbd644cd..aa2ee729 100644
--- a/release.nix
+++ b/release.nix
@@ -173,7 +173,7 @@ let
         src = tarball;
 
         buildInputs =
-          [ curl bzip2 openssl pkgconfig sqlite xz libsodium
+          [ curl bzip2 openssl pkgconfig sqlite xz libsodium libseccomp
             # These are for "make check" only:
             graphviz libxml2 libxslt
           ];