diff --git a/Gemfile.lock b/Gemfile.lock
index ffb3df8..3249e3f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,8 +2,8 @@ PATH
   remote: .
   specs:
     factory_bot_rails (4.11.1)
-      factory_bot (~> 4.11.1)
-      railties (>= 3.0.0)
+      factory_bot (~> 5.0.0.rc1)
+      railties (>= 4.2.0)
 
 GEM
   remote: https://rubygems.org/
@@ -72,8 +72,8 @@ GEM
     diff-lcs (1.3)
     erubi (1.7.1)
     execjs (2.7.0)
-    factory_bot (4.11.1)
-      activesupport (>= 3.0.0)
+    factory_bot (5.0.0.rc1)
+      activesupport (>= 4.2.0)
     ffi (1.9.25)
     ffi (1.9.25-java)
     gherkin (2.12.2)
diff --git a/factory_bot_rails.gemspec b/factory_bot_rails.gemspec
index 7385040..bd6fe58 100644
--- a/factory_bot_rails.gemspec
+++ b/factory_bot_rails.gemspec
@@ -15,6 +15,6 @@ Gem::Specification.new do |s|
   s.executables   = []
   s.license       = "MIT"
 
-  s.add_runtime_dependency("factory_bot", "~> 4.11.1")
-  s.add_runtime_dependency("railties", ">= 3.0.0")
+  s.add_runtime_dependency("factory_bot", "~> 5.0.0.rc1")
+  s.add_runtime_dependency("railties", ">= 4.2.0")
 end