diff --git a/Gemfile b/Gemfile
index c6d8505..0199100 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ gemspec
 
 gem "rake", "~> 13.0"
 
-gem "rspec", "~> 3.12"
+gem "rspec", "~> 3.13"
 gem "simplecov", require: false
 gem "simplecov_json_formatter", require: false
 
diff --git a/Gemfile.lock b/Gemfile.lock
index ecf9c9f..6795e09 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,7 +14,7 @@ GEM
     ast (2.4.2)
     concurrent-ruby (1.2.2)
     csv (3.2.6)
-    diff-lcs (1.5.0)
+    diff-lcs (1.5.1)
     docile (1.4.0)
     ffi (1.15.5)
     fileutils (1.7.1)
@@ -38,19 +38,19 @@ GEM
     rbs (3.1.0)
     regexp_parser (2.7.0)
     rexml (3.2.5)
-    rspec (3.12.0)
-      rspec-core (~> 3.12.0)
-      rspec-expectations (~> 3.12.0)
-      rspec-mocks (~> 3.12.0)
-    rspec-core (3.12.1)
-      rspec-support (~> 3.12.0)
-    rspec-expectations (3.12.2)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.0)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-mocks (3.12.4)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-support (3.12.0)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.1)
     rubocop (1.49.0)
       json (~> 2.3)
       parallel (~> 1.10)
@@ -107,7 +107,7 @@ PLATFORMS
 DEPENDENCIES
   card_dealer!
   rake (~> 13.0)
-  rspec (~> 3.12)
+  rspec (~> 3.13)
   rubocop (~> 1.49)
   rubocop-rake (~> 0.6)
   rubocop-rspec (~> 2.19)