diff --git a/Gemfile b/Gemfile
index efce1a09..54f43ff8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -45,7 +45,7 @@ gem 'actionview-encoded_mail_to'
 gem 'differ'
 
 # A generic library to administrate the tool
-gem 'activeadmin', '= 1.0.0'
+gem 'activeadmin'
 
 # Markdown display
 gem 'kramdown'
diff --git a/Gemfile.lock b/Gemfile.lock
index 10a35858..53b5a930 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -99,7 +99,7 @@ GEM
       activemodel
     equalizer (0.0.11)
     erubis (2.7.0)
-    eventmachine (1.2.3)
+    eventmachine (1.2.5)
     execjs (2.7.0)
     faraday (0.11.0)
       multipart-post (>= 1.2, < 3)
@@ -416,7 +416,7 @@ PLATFORMS
 
 DEPENDENCIES
   actionview-encoded_mail_to
-  activeadmin (= 1.0.0)
+  activeadmin
   acts-as-taggable-on (< 5)
   brakeman
   bundler-audit