diff --git a/Gemfile b/Gemfile
index bd5fa3e03..ae58b90ef 100644
--- a/Gemfile
+++ b/Gemfile
@@ -38,7 +38,7 @@ gem "omniauth", "~> 2.1.3"
 gem "omniauth-facebook", "~> 10.0.0"
 gem "omniauth-google-oauth2", "~> 1.2.1"
 gem "omniauth-rails_csrf_protection", "~> 1.0.2"
-gem "omniauth-saml", "~> 2.1.0"
+gem "omniauth-saml", "~> 2.2.4"
 gem "omniauth-twitter", "~> 1.4.0"
 gem "paranoia", "~> 3.0.1"
 gem "pg", "~> 1.5.9"
diff --git a/Gemfile.lock b/Gemfile.lock
index dd038b152..d4c6b3663 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -440,9 +440,9 @@ GEM
     omniauth-rails_csrf_protection (1.0.2)
       actionpack (>= 4.2)
       omniauth (~> 2.0)
-    omniauth-saml (2.1.0)
-      omniauth (~> 2.0)
-      ruby-saml (~> 1.12)
+    omniauth-saml (2.2.4)
+      omniauth (~> 2.1)
+      ruby-saml (~> 1.18)
     omniauth-twitter (1.4.0)
       omniauth-oauth (~> 1.1)
       rack
@@ -612,7 +612,7 @@ GEM
       rubocop-rspec (~> 3, >= 3.0.1)
     ruby-progressbar (1.13.0)
     ruby-rc4 (0.1.5)
-    ruby-saml (1.15.0)
+    ruby-saml (1.18.0)
       nokogiri (>= 1.13.10)
       rexml
     ruby-vips (2.2.3)
@@ -803,7 +803,7 @@ DEPENDENCIES
   omniauth-facebook (~> 10.0.0)
   omniauth-google-oauth2 (~> 1.2.1)
   omniauth-rails_csrf_protection (~> 1.0.2)
-  omniauth-saml (~> 2.1.0)
+  omniauth-saml (~> 2.2.4)
   omniauth-twitter (~> 1.4.0)
   paranoia (~> 3.0.1)
   pdf-reader (~> 2.14.1)