diff --git a/build/ludus.jimage b/build/ludus.jimage
index 95ca5ea..63ea21c 100644
Binary files a/build/ludus.jimage and b/build/ludus.jimage differ
diff --git a/build/out.wasm b/build/out.wasm
index 3d23f0c..0f68f50 100755
Binary files a/build/out.wasm and b/build/out.wasm differ
diff --git a/src/ludus.janet b/src/ludus.janet
index 06d0eaa..763f276 100644
--- a/src/ludus.janet
+++ b/src/ludus.janet
@@ -11,6 +11,8 @@
 (import /src/prelude :as prelude)
 (import /src/json :as j)
 
+(math/seedrandom (os/cryptorand 8))
+
 (defn ludus [source]
  (when (= :error prelude/pkg) (error "could not load prelude"))
  (def ctx @{:^parent prelude/ctx})