diff --git a/Gemfile b/Gemfile
index 3ec6d51..8c541c4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -33,7 +33,7 @@ gem "oydid"
 
 
 # update for security fixes
-gem 'loofah', '~> 2.3', '>= 2.3.1'
+gem 'loofah', '~> 2.19'
 
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
diff --git a/Gemfile.lock b/Gemfile.lock
index 0b682de..8200a14 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -182,7 +182,7 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     logger (1.5.1)
-    loofah (2.18.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -228,7 +228,7 @@ GEM
     public_suffix (4.0.7)
     puma (5.6.4)
       nio4r (~> 2.0)
-    racc (1.6.0)
+    racc (1.6.1)
     rack (2.2.3)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
@@ -444,7 +444,7 @@ DEPENDENCIES
   json-canonicalization
   jwt
   linkeddata
-  loofah (~> 2.3, >= 2.3.1)
+  loofah (~> 2.19)
   merkle-hash-tree
   mimemagic!
   oydid