diff --git a/deno.changes b/deno.changes
index 89ddf09..54ee8b4 100644
--- a/deno.changes
+++ b/deno.changes
@@ -2,6 +2,7 @@
 Sun Nov 10 01:22:25 UTC 2024 - Soc Virnyl Estela <uncomfyhalomacro@opensuse.org>
 
 - Pass --locked in cargo build.
+- Regenerate lockfile on prep.
 
 -------------------------------------------------------------------
 Sun Nov 10 01:14:01 UTC 2024 - Soc Virnyl Estela <uncomfyhalomacro@opensuse.org>
diff --git a/deno.spec b/deno.spec
index 2fd1858..28bd181 100644
--- a/deno.spec
+++ b/deno.spec
@@ -103,6 +103,7 @@ unlink $PWD/rusty_v8 || true
 ln -sf %{_libdir}/crates/rusty_v8 $PWD/rusty_v8
 echo -e "\n[patch.crates-io]\nv8 = { path = './rusty_v8' }" >> Cargo.toml
 export CARGO_HOME=$PWD/.cargo
+%__cargo generate-lockfile --offline
 
 %build
 export CARGO_HOME=$PWD/.cargo