Active admin is set to a version above 1

Gemfile

@@ -47,7 +47,7 @@ gem 'actionview-encoded_mail_to'
 gem 'differ'
 
 # A generic library to administrate the tool
-gem 'activeadmin'
+gem 'activeadmin', '>= 1.0.0'
 
 # Markdown display
 gem 'kramdown'

Gemfile.lock

@@ -191,8 +191,8 @@ GEM
     http-form_data (1.0.3)
     http_accept_language (2.1.1)
     http_parser.rb (0.6.0)
-    i18n (0.8.4)
-    ice_cube (0.16.1)
+    i18n (0.8.6)
+    ice_cube (0.16.2)
     inherited_resources (1.7.2)
       actionpack (>= 3.2, < 5.2.x)
       has_scope (~> 0.6)
@@ -244,7 +244,7 @@ GEM
     modernizr-rails (2.7.1)
     multi_json (1.12.1)
     multipart-post (2.0.0)
-    mysql2 (0.4.6)
+    mysql2 (0.4.8)
     naught (1.1.0)
     nenv (0.3.0)
     nokogiri (1.8.0)
@@ -253,7 +253,7 @@ GEM
       nenv (~> 0.1)
       shellany (~> 0.0)
     orm_adapter (0.5.0)
-    paper_trail (7.0.3)
+    paper_trail (7.1.0)
       activerecord (>= 4.0, < 5.2)
       request_store (~> 1.1)
     parallel (1.11.2)
@@ -338,7 +338,7 @@ GEM
     ruby_dep (1.5.0)
     ruby_parser (3.9.0)
       sexp_processor (~> 4.1)
-    sass (3.4.24)
+    sass (3.4.25)
     sass-rails (5.0.6)
       railties (>= 4.0.0, < 6)
       sass (~> 3.1)
@@ -350,7 +350,7 @@ GEM
       rdoc (~> 4.0)
     sexp_processor (4.9.0)
     shellany (0.0.1)
-    simple_calendar (2.2.5)
+    simple_calendar (2.2.6)
       rails (>= 3.0)
     simple_oauth (0.3.1)
     simplecov (0.14.1)
@@ -417,7 +417,7 @@ PLATFORMS
 
 DEPENDENCIES
   actionview-encoded_mail_to
-  activeadmin
+  activeadmin (>= 1.0.0)
   acts-as-taggable-on (< 5)
   brakeman
   bundler-audit