diff --git a/Gemfile b/Gemfile
index 9694ddf..a146f37 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,6 +8,6 @@ gem "rake", "~> 13.0"
 gem "minitest", "~> 5.0"
 gem "mutant-minitest", "~> 0.16", require: false
 gem "standard", "~> 1.0"
-gem "simplecov", "~> 0.22", require: false
+gem "simplecov", "~> 1.0", require: false
 gem "ruby-lsp", require: false
 gem "yard", "~> 0.9", require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 1f093a4..6ed80de 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,6 @@ GEM
     ast (2.4.3)
     date (3.5.1)
     diff-lcs (2.0.0)
-    docile (1.4.1)
     erb (6.0.4)
     io-console (0.8.2)
     irb (1.18.0)
@@ -84,12 +83,7 @@ GEM
       rbs (>= 3, < 5)
     ruby-progressbar (1.13.0)
     securerandom (0.4.1)
-    simplecov (0.22.0)
-      docile (~> 1.1)
-      simplecov-html (~> 0.11)
-      simplecov_json_formatter (~> 0.1)
-    simplecov-html (0.13.2)
-    simplecov_json_formatter (0.1.4)
+    simplecov (1.0.2)
     sorbet-runtime (0.6.13222)
     standard (1.54.0)
       language_server-protocol (~> 3.17.0.2)
@@ -124,7 +118,7 @@ DEPENDENCIES
   rake (~> 13.0)
   ruby-dag!
   ruby-lsp
-  simplecov (~> 0.22)
+  simplecov (~> 1.0)
   standard (~> 1.0)
   yard (~> 0.9)