diff --git a/Gemfile.lock b/Gemfile.lock
index 29f07d1e52..9e5f42e73e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -488,7 +488,6 @@ GEM
       ruby-rc4
       ttfunk
     pg (1.2.3)
-    power_assert (2.0.3)
     private_address_check (0.5.0)
     pry (0.13.1)
       coderay (~> 1.1)
@@ -695,13 +694,13 @@ GEM
       actionpack (>= 5.2)
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
-    state_machines (0.5.0)
-    state_machines-activemodel (0.8.0)
-      activemodel (>= 5.1)
-      state_machines (>= 0.5.0)
-    state_machines-activerecord (0.8.0)
-      activerecord (>= 5.1)
-      state_machines-activemodel (>= 0.8.0)
+    state_machines (0.6.0)
+    state_machines-activemodel (0.9.0)
+      activemodel (>= 6.0)
+      state_machines (>= 0.6.0)
+    state_machines-activerecord (0.9.0)
+      activerecord (>= 6.0)
+      state_machines-activemodel (>= 0.9.0)
     stimulus_reflex (3.5.0.rc2)
       actioncable (>= 5.2, < 8)
       actionpack (>= 5.2, < 8)