diff --git a/shard.yml b/shard.yml
index 854303d..4b7b736 100644
--- a/shard.yml
+++ b/shard.yml
@@ -8,10 +8,10 @@ authors:
 dependencies:
   openssl_ext:
     github: stakach/openssl_ext
-    version: ~> 1.2
+    version: ">= 1.2.1, < 1.3"
 
   bindata:
     github: spider-gazelle/bindata
-    version: ~> 1.5
+    version: ">= 1.5.4, < 1.6"
 
 license: MIT