diff --git a/Gemfile b/Gemfile
index a78cabedce0..1030f0c677c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -74,7 +74,7 @@ gem 'rqrcode'
 gem 'ruby-progressbar'
 gem 'ruby-saml'
 gem 'safe_target_blank', '>= 1.0.2'
-gem 'saml_idp', github: '18F/saml_idp', tag: '0.23.3-18f'
+gem 'saml_idp', github: '18F/saml_idp', tag: '0.23.4-18f'
 gem 'scrypt'
 gem 'simple_form', '>= 5.0.2'
 gem 'stringex', require: false
@@ -85,7 +85,7 @@ gem 'valid_email', '>= 0.1.3', github: 'hallelujah/valid_email', ref: '486b860'
 gem 'view_component', '~> 3.0'
 gem 'webauthn', '~> 2.5.2'
 gem 'xmldsig', '~> 0.6'
-gem 'xmlenc', '~> 0.7', '>= 0.7.1'
+gem 'xmlenc', '0.8.0'
 gem 'yard', require: false
 gem 'zlib', require: false
 
diff --git a/Gemfile.lock b/Gemfile.lock
index ee3f5b1670c..dda8909ff93 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,10 +36,10 @@ GIT
 
 GIT
   remote: https://github.com/18F/saml_idp.git
-  revision: 752085a6f88cd3ce75ecc7a64afe064a0e4f9e35
-  tag: 0.23.3-18f
+  revision: e5d876cf10ce9b39bba0cc523d06c4dda1af5124
+  tag: 0.23.4-18f
   specs:
-    saml_idp (0.23.3.pre.18f)
+    saml_idp (0.23.4.pre.18f)
       activesupport
       builder
       faraday
@@ -869,7 +869,7 @@ DEPENDENCIES
   webauthn (~> 2.5.2)
   webmock
   xmldsig (~> 0.6)
-  xmlenc (~> 0.7, >= 0.7.1)
+  xmlenc (= 0.8.0)
   yard
   zlib
   zonebie