diff --git a/Gemfile.lock b/Gemfile.lock
index deb4bad6a7..00c3f3f6a2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -331,7 +331,7 @@ GEM
       sawyer (~> 0.9)
     paint (2.3.0)
     parallel (1.24.0)
-    parser (3.3.0.5)
+    parser (3.3.1.0)
       ast (~> 2.4.1)
       racc
     path_expander (1.1.1)
@@ -343,7 +343,7 @@ GEM
       pdf-core (~> 0.10.0)
       ttfunk (~> 1.8)
     public_suffix (5.0.4)
-    racc (1.7.3)
+    racc (1.8.0)
     rainbow (3.1.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
@@ -353,10 +353,11 @@ GEM
       parser (~> 3.3.0)
       rainbow (>= 2.0, < 4.0)
       rexml (~> 3.1)
-    regexp_parser (2.9.0)
-    rexml (3.2.6)
+    regexp_parser (2.9.2)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rouge (3.30.0)
-    rubocop (1.63.1)
+    rubocop (1.64.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -367,8 +368,8 @@ GEM
       rubocop-ast (>= 1.31.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.31.2)
-      parser (>= 3.3.0.4)
+    rubocop-ast (1.31.3)
+      parser (>= 3.3.1.0)
     ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
     ruby_parser (3.20.3)
@@ -410,6 +411,7 @@ GEM
     simplecov_json_formatter (0.1.4)
     simpleidn (0.2.1)
       unf (~> 0.1.4)
+    strscan (3.1.0)
     terminal-table (1.6.0)
     thread_safe (0.3.6)
     tomlrb (2.0.3)
diff --git a/pdfstar/Gemfile.lock b/pdfstar/Gemfile.lock
index 5bfbb6d9c3..9036c9a5c7 100644
--- a/pdfstar/Gemfile.lock
+++ b/pdfstar/Gemfile.lock
@@ -31,14 +31,15 @@ GEM
       win32-process (~> 0.9)
       wmi-lite (~> 1.0)
     parallel (1.24.0)
-    parser (3.3.0.5)
+    parser (3.3.1.0)
       ast (~> 2.4.1)
       racc
-    racc (1.7.3)
+    racc (1.8.0)
     rainbow (3.1.1)
-    regexp_parser (2.9.0)
-    rexml (3.2.6)
-    rubocop (1.63.1)
+    regexp_parser (2.9.2)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
+    rubocop (1.64.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -49,9 +50,10 @@ GEM
       rubocop-ast (>= 1.31.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.31.2)
-      parser (>= 3.3.0.4)
+    rubocop-ast (1.31.3)
+      parser (>= 3.3.1.0)
     ruby-progressbar (1.13.0)
+    strscan (3.1.0)
     tomlrb (2.0.3)
     unicode-display_width (2.5.0)
     win32-process (0.10.0)