diff --git a/Gemfile b/Gemfile
index abf0bc78..a6287fc9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -22,7 +22,7 @@ gem 'json'
 gem 'kaminari'
 gem 'lograge'
 gem 'marc'
-gem 'mitlibraries-theme', git: 'https://github.com/mitlibraries/mitlibraries-theme', tag: 'v1.4'
+gem 'mitlibraries-theme', git: 'https://github.com/mitlibraries/mitlibraries-theme', tag: 'v1.5'
 gem 'net-imap', require: false
 gem 'net-pop', require: false
 gem 'net-smtp', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 1c148640..6d2bed5b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,10 +1,10 @@
 GIT
   remote: https://github.com/mitlibraries/mitlibraries-theme
-  revision: ba5bdc9840ef817ba0b92e522b92da3f52669fc3
-  tag: v1.4
+  revision: 135390daff870937212f1d9020abb6aea53c87d9
+  tag: v1.5
   specs:
-    mitlibraries-theme (1.0.2)
-      rails (>= 6, < 8)
+    mitlibraries-theme (1.1.0)
+      rails (>= 6, < 9)
       sassc-rails (~> 2)
 
 GEM
@@ -96,7 +96,7 @@ GEM
     ansi (1.6.0)
     ast (2.4.3)
     aws-eventstream (1.4.0)
-    aws-partitions (1.1269.0)
+    aws-partitions (1.1271.0)
     aws-sdk-core (3.254.0)
       aws-eventstream (~> 1, >= 1.3.0)
       aws-partitions (~> 1, >= 1.992.0)
@@ -111,7 +111,7 @@ GEM
     aws-sdk-rails (5.1.0)
       aws-sdk-core (~> 3)
       railties (>= 7.1.0)
-    aws-sdk-s3 (1.227.0)
+    aws-sdk-s3 (1.228.0)
       aws-sdk-core (~> 3, >= 3.254.0)
       aws-sdk-kms (~> 1)
       aws-sigv4 (~> 1.5)
@@ -172,10 +172,10 @@ GEM
       dotenv (= 3.2.0)
       railties (>= 6.1)
     drb (2.2.3)
-    erb (6.0.4)
+    erb (6.0.5)
     erubi (1.13.1)
     execjs (2.10.1)
-    ffi (1.17.3)
+    ffi (1.17.4)
     flipflop (2.8.0)
       activesupport (>= 4.0)
       terminal-table (>= 1.8)
@@ -228,10 +228,10 @@ GEM
       activesupport (>= 4)
       railties (>= 4)
       request_store (~> 1.0)
-    loofah (2.25.1)
+    loofah (2.25.2)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
-    mail (2.9.0)
+    mail (2.9.1)
       logger
       mini_mime (>= 0.1.1)
       net-imap
@@ -322,8 +322,8 @@ GEM
       activesupport (>= 5.0.0)
       minitest
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.7.0)
-      loofah (~> 2.25)
+    rails-html-sanitizer (1.7.1)
+      loofah (~> 2.25, >= 2.25.2)
       nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
     rails-mermaid_erd (0.8.0)
       rails (>= 5.2)
@@ -414,7 +414,7 @@ GEM
     simple_form (5.4.1)
       actionpack (>= 7.0)
       activemodel (>= 7.0)
-    simplecov (1.0.1)
+    simplecov (1.0.2)
     simplecov-lcov (0.9.0)
     skylight (7.1.1)
       activesupport (>= 7.2.0)
@@ -433,7 +433,7 @@ GEM
     terser (1.2.8)
       execjs (>= 0.3.0, < 3)
     thor (1.5.0)
-    tilt (2.7.0)
+    tilt (2.8.0)
     timecop (0.9.11)
     timeout (0.6.1)
     tsort (0.2.0)