diff --git a/Gemfile b/Gemfile
index ca981c27..1ca2ec1a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -37,7 +37,7 @@ gem 'tzinfo-data', platforms: %i[mingw mswin x64_mingw jruby]
 
 group :test do
   gem 'mocha', '~> 2.4.5', require: false
-  gem 'simplecov', '~> 0.21', require: false
+  gem 'simplecov', '~> 0.22', require: false
   gem 'simplecov-cobertura', '~> 2.1.0', require: false
 end
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 2d77963d..9ecf8074 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,7 +97,7 @@ GEM
     debug (1.9.2)
       irb (~> 1.10)
       reline (>= 0.3.8)
-    docile (1.4.0)
+    docile (1.4.1)
     drb (2.2.1)
     erubi (1.13.0)
     et-orbi (1.2.11)
@@ -263,15 +263,15 @@ GEM
       logger
     ruby2_keywords (0.0.5)
     securerandom (0.3.1)
-    simplecov (0.21.2)
+    simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
       simplecov_json_formatter (~> 0.1)
     simplecov-cobertura (2.1.0)
       rexml
       simplecov (~> 0.19)
-    simplecov-html (0.12.3)
-    simplecov_json_formatter (0.1.3)
+    simplecov-html (0.13.1)
+    simplecov_json_formatter (0.1.4)
     sorbet-runtime (0.5.11589)
     stringio (3.1.1)
     thor (1.3.2)
@@ -314,7 +314,7 @@ DEPENDENCIES
   rubocop-minitest (~> 0.36.0)
   rubocop-rails (~> 2.26)
   ruby-lsp (~> 0.18.3)
-  simplecov (~> 0.21)
+  simplecov (~> 0.22)
   simplecov-cobertura (~> 2.1.0)
   tzinfo-data
   wahwah (~> 1.6.6)
diff --git a/gemset.nix b/gemset.nix
index 0feb1521..71a2eba3 100644
--- a/gemset.nix
+++ b/gemset.nix
@@ -281,10 +281,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1lxqxgq71rqwj1lpl9q1mbhhhhhhdkkj7my341f2889pwayk85sz";
+      sha256 = "07pj4z3h8wk4fgdn6s62vw1lwvhj0ac0x10vfbdkr9xzk7krn5cn";
       type = "gem";
     };
-    version = "1.4.0";
+    version = "1.4.1";
   };
   drb = {
     groups = ["default" "development" "test"];
@@ -1023,10 +1023,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1hrv046jll6ad1s964gsmcq4hvkr3zzr6jc7z1mns22mvfpbc3cr";
+      sha256 = "198kcbrjxhhzca19yrdcd6jjj9sb51aaic3b0sc3pwjghg3j49py";
       type = "gem";
     };
-    version = "0.21.2";
+    version = "0.22.0";
   };
   simplecov-cobertura = {
     dependencies = ["rexml" "simplecov"];
@@ -1044,20 +1044,20 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0yx01bxa8pbf9ip4hagqkp5m0mqfnwnw2xk8kjraiywz4lrss6jb";
+      sha256 = "02zi3rwihp7rlnp9x18c9idnkx7x68w6jmxdhyc0xrhjwrz0pasx";
       type = "gem";
     };
-    version = "0.12.3";
+    version = "0.13.1";
   };
   simplecov_json_formatter = {
     groups = ["default" "test"];
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "19r15hyvh52jx7fmsrcflb58xh8l7l0zx4sxkh3hqzhq68y81pjl";
+      sha256 = "0a5l0733hj7sk51j81ykfmlk2vd5vaijlq9d5fn165yyx3xii52j";
       type = "gem";
     };
-    version = "0.1.3";
+    version = "0.1.4";
   };
   sorbet-runtime = {
     groups = ["default" "development"];