diff --git a/apipie-bindings.gemspec b/apipie-bindings.gemspec
index d98260a..09474b4 100644
--- a/apipie-bindings.gemspec
+++ b/apipie-bindings.gemspec
@@ -24,7 +24,7 @@ EOF
 
   s.add_dependency 'rest-client', '~> 2.0'
   s.add_dependency 'oauth', '~> 1.1'
-  s.add_dependency 'gssapi', '~> 1.3'
+  s.add_dependency 'gssapi', '~> 1.2'
   s.add_development_dependency 'rake', '~> 13.0'
   s.add_development_dependency 'minitest', '~> 4.7'
   s.add_development_dependency 'minitest-spec-context', '~> 0.0.5'