diff --git a/Gemfile b/Gemfile
index 68ec14da71..a5fdedc1dc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -77,7 +77,7 @@ gem "rubyzip"
 gem "prawn-rails"
 
 ## Email
-gem "mailgun-ruby", "~>1.4.0"
+gem "mailgun-ruby", "~>1.4.1"
 
 ## other
 gem "delayed_job_active_record"
diff --git a/Gemfile.lock b/Gemfile.lock
index ab0b6e61a2..40135992c3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -330,7 +330,7 @@ GEM
       faraday-net_http (>= 2.0, < 3.5)
       json
       logger
-    faraday-multipart (1.1.1)
+    faraday-multipart (1.2.0)
       multipart-post (~> 2.0)
     faraday-net_http (3.4.2)
       net-http (~> 0.5)
@@ -380,7 +380,7 @@ GEM
       railties (>= 3.2.16)
     jsbundling-rails (1.3.1)
       railties (>= 6.0.0)
-    json (2.17.1)
+    json (2.18.0)
     jwt (3.1.2)
       base64
     kgio (2.11.4)
@@ -409,10 +409,11 @@ GEM
       net-imap
       net-pop
       net-smtp
-    mailgun-ruby (1.4.0)
+    mailgun-ruby (1.4.1)
       faraday (~> 2.1)
-      faraday-multipart (~> 1.1.0)
+      faraday-multipart (< 2)
       mini_mime
+      zeitwerk
     marcel (1.0.4)
     matrix (0.4.3)
     method_source (1.1.0)
@@ -436,7 +437,7 @@ GEM
       coffee-rails (>= 3.2.1)
       jquery-rails
       rails (>= 3.2.0)
-    net-http (0.8.0)
+    net-http (0.9.1)
       uri (>= 0.11.1)
     net-imap (0.5.12)
       date
@@ -796,7 +797,7 @@ DEPENDENCIES
   kt-paperclip
   ldap_authentication!
   letter_opener
-  mailgun-ruby (~> 1.4.0)
+  mailgun-ruby (~> 1.4.1)
   mutex_m
   mysql2
   nested_form_fields