diff --git a/lmdb-ht.egg b/lmdb-ht.egg
index 93f6721..6f7cd75 100644
--- a/lmdb-ht.egg
+++ b/lmdb-ht.egg
@@ -6,7 +6,7 @@
  (category db)
  (dependencies rabbit srfi-69)
  (test-dependencies test srfi-69)
- (build-dependencies compile-file)
+ (build-dependencies srfi-13 compile-file)
  (maintainer "Ivan Raikov")
  (author "Lambda Native")
  (components (extension lmdb-ht (source "lmdb.scm")