diff --git a/Gemfile b/Gemfile
index 9b70c739c..764f7d925 100644
--- a/Gemfile
+++ b/Gemfile
@@ -52,7 +52,10 @@ gem "faraday-cookie_jar"
 
 gem "icalendar"
 gem "image_processing"
-gem "prawn"
+# https://github.com/prawnpdf/ttfunk/issues/102
+gem "prawn", "2.4.0"
+gem "ttfunk", "1.7.0"
+gem "pdf-core", "0.9.0"
 gem "prawn-table"
 gem "prawn-svg"
 gem "hexapdf"
diff --git a/Gemfile.lock b/Gemfile.lock
index 25395914b..05e5885f1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -108,17 +108,17 @@ GEM
     ast (2.4.2)
     attr_extras (7.1.0)
     aws-eventstream (1.3.0)
-    aws-partitions (1.946.0)
-    aws-sdk-core (3.197.2)
+    aws-partitions (1.947.0)
+    aws-sdk-core (3.199.0)
       aws-eventstream (~> 1, >= 1.3.0)
       aws-partitions (~> 1, >= 1.651.0)
       aws-sigv4 (~> 1.8)
       jmespath (~> 1, >= 1.6.1)
-    aws-sdk-kms (1.85.0)
-      aws-sdk-core (~> 3, >= 3.197.0)
+    aws-sdk-kms (1.87.0)
+      aws-sdk-core (~> 3, >= 3.199.0)
       aws-sigv4 (~> 1.1)
-    aws-sdk-s3 (1.152.3)
-      aws-sdk-core (~> 3, >= 3.197.0)
+    aws-sdk-s3 (1.154.0)
+      aws-sdk-core (~> 3, >= 3.199.0)
       aws-sdk-kms (~> 1)
       aws-sigv4 (~> 1.8)
     aws-sigv4 (1.8.0)
@@ -301,7 +301,7 @@ GEM
     mutex_m (0.2.0)
     net-http (0.4.1)
       uri
-    net-imap (0.4.13)
+    net-imap (0.4.14)
       date
       net-protocol
     net-pop (0.1.2)
@@ -328,7 +328,7 @@ GEM
       racc
     patience_diff (1.2.0)
       optimist (~> 3.0)
-    pdf-core (0.10.0)
+    pdf-core (0.9.0)
     pdf-inspector (1.3.0)
       pdf-reader (>= 1.0, < 3.0.a)
     pdf-reader (2.12.0)
@@ -347,11 +347,10 @@ GEM
     postmark-rails (0.22.1)
       actionmailer (>= 3.0.0)
       postmark (>= 1.21.3, < 2.0)
-    prawn (2.5.0)
-      matrix (~> 0.4)
-      pdf-core (~> 0.10.0)
-      ttfunk (~> 1.8)
-    prawn-svg (0.34.2)
+    prawn (2.4.0)
+      pdf-core (~> 0.9.0)
+      ttfunk (~> 1.7)
+    prawn-svg (0.35.0)
       css_parser (~> 1.6)
       matrix (~> 0.4.2)
       prawn (>= 0.11.1, < 3)
@@ -379,7 +378,7 @@ GEM
       nio4r (~> 2.0)
     raabro (1.4.0)
     racc (1.8.0)
-    rack (3.1.3)
+    rack (3.1.4)
     rack-cors (2.0.2)
       rack (>= 2.0.0)
     rack-session (2.0.0)
@@ -450,7 +449,7 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.3.0)
+    rexml (3.3.1)
       strscan
     rqrcode (2.2.0)
       chunky_png (~> 1.0)
@@ -522,14 +521,14 @@ GEM
     rubyzip (2.3.2)
     rufus-scheduler (3.9.1)
       fugit (~> 1.1, >= 1.1.6)
-    sentry-rails (5.17.3)
+    sentry-rails (5.18.0)
       railties (>= 5.0)
-      sentry-ruby (~> 5.17.3)
-    sentry-ruby (5.17.3)
+      sentry-ruby (~> 5.18.0)
+    sentry-ruby (5.18.0)
       bigdecimal
       concurrent-ruby (~> 1.0, >= 1.0.2)
-    sentry-sidekiq (5.17.3)
-      sentry-ruby (~> 5.17.3)
+    sentry-sidekiq (5.18.0)
+      sentry-ruby (~> 5.18.0)
       sidekiq (>= 3.0)
     sidekiq (7.2.4)
       concurrent-ruby (< 2)
@@ -547,7 +546,7 @@ GEM
     slim (5.2.1)
       temple (~> 0.10.0)
       tilt (>= 2.1.0)
-    sorbet-runtime (0.5.11444)
+    sorbet-runtime (0.5.11447)
     stimulus-rails (1.3.3)
       railties (>= 6.0.0)
     stringio (3.1.0)
@@ -574,8 +573,7 @@ GEM
     tod (3.1.2)
     truemail (3.3.1)
       simpleidn (~> 0.2.1)
-    ttfunk (1.8.0)
-      bigdecimal (~> 3.1)
+    ttfunk (1.7.0)
     turbo-rails (2.0.5)
       actionpack (>= 6.0.0)
       activejob (>= 6.0.0)
@@ -646,11 +644,12 @@ DEPENDENCIES
   matrix
   nokogiri
   parallel
+  pdf-core (= 0.9.0)
   pdf-inspector
   pg
   phony_rails
   postmark-rails
-  prawn
+  prawn (= 2.4.0)
   prawn-svg
   prawn-table
   premailer-rails
@@ -686,6 +685,7 @@ DEPENDENCIES
   test-prof
   tod
   truemail
+  ttfunk (= 1.7.0)
   turbo-rails
   web-console