diff --git a/package.json b/package.json
index 8fade19d..bc3b0543 100644
--- a/package.json
+++ b/package.json
@@ -99,7 +99,7 @@
     "moment": "2.24.0",
     "mousetrap": "1.6.2",
     "npm-run-all": "4.1.5",
-    "nyc": "13.2.0",
+    "nyc": "13.3.0",
     "primer-tooltips": "2.0.0",
     "sinon": "7.2.3",
     "socket.io-client": "2.2.0",
diff --git a/yarn.lock b/yarn.lock
index 04d97d30..604e1756 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3296,7 +3296,7 @@ handlebars-loader@1.7.1:
     loader-utils "1.0.x"
     object-assign "^4.1.0"
 
-handlebars@4.1.0:
+handlebars@4.1.0, handlebars@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.1.0.tgz#0d6a6f34ff1f63cecec8423aa4169827bf787c3a"
   dependencies:
@@ -3306,16 +3306,6 @@ handlebars@4.1.0:
   optionalDependencies:
     uglify-js "^3.1.4"
 
-handlebars@^4.0.11:
-  version "4.0.12"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.12.tgz#2c15c8a96d46da5e266700518ba8cb8d919d5bc5"
-  dependencies:
-    async "^2.5.0"
-    optimist "^0.6.1"
-    source-map "^0.6.1"
-  optionalDependencies:
-    uglify-js "^3.1.4"
-
 har-schema@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-2.0.0.tgz#a94c2224ebcac04782a0d9035521f24735b7ec92"
@@ -4027,9 +4017,10 @@ istanbul-lib-instrument@^3.0.0:
     istanbul-lib-coverage "^2.0.1"
     semver "^5.5.0"
 
-istanbul-lib-instrument@^3.0.1:
+istanbul-lib-instrument@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-3.1.0.tgz#a2b5484a7d445f1f311e93190813fa56dfb62971"
+  integrity sha512-ooVllVGT38HIk8MxDj/OIHXSYvH+1tq/Vb38s8ixt9GoJadXska4WkGY+0wkmtYCZNYtaARniH/DixUGGLZ0uA==
   dependencies:
     "@babel/generator" "^7.0.0"
     "@babel/parser" "^7.0.0"
@@ -4057,11 +4048,12 @@ istanbul-lib-source-maps@^3.0.2:
     rimraf "^2.6.2"
     source-map "^0.6.1"
 
-istanbul-reports@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-2.1.0.tgz#87b8b55cd1901ba1748964c98ddd8900ce306d59"
+istanbul-reports@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-2.1.1.tgz#72ef16b4ecb9a4a7bd0e2001e00f95d1eec8afa9"
+  integrity sha512-FzNahnidyEPBCI0HcufJoSEoKykesRlFcSzQqjH9x0+LC8tnnE/p/90PBLu8iZTxr8yYZNyTtiAujUqyN+CIxw==
   dependencies:
-    handlebars "^4.0.11"
+    handlebars "^4.1.0"
 
 jquery@3.3.1:
   version "3.3.1"
@@ -5063,9 +5055,10 @@ number-is-nan@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
 
-nyc@13.2.0:
-  version "13.2.0"
-  resolved "https://registry.yarnpkg.com/nyc/-/nyc-13.2.0.tgz#6a4a4b3f5f97b63ab491c665567557debcfa23d6"
+nyc@13.3.0:
+  version "13.3.0"
+  resolved "https://registry.yarnpkg.com/nyc/-/nyc-13.3.0.tgz#da4dbe91a9c8b9ead3f4f3344c76f353e3c78c75"
+  integrity sha512-P+FwIuro2aFG6B0Esd9ZDWUd51uZrAEoGutqZxzrVmYl3qSfkLgcQpBPBjtDFsUQLFY1dvTQJPOyeqr8S9GF8w==
   dependencies:
     archy "^1.0.0"
     arrify "^1.0.1"
@@ -5077,10 +5070,10 @@ nyc@13.2.0:
     glob "^7.1.3"
     istanbul-lib-coverage "^2.0.3"
     istanbul-lib-hook "^2.0.3"
-    istanbul-lib-instrument "^3.0.1"
+    istanbul-lib-instrument "^3.1.0"
     istanbul-lib-report "^2.0.4"
     istanbul-lib-source-maps "^3.0.2"
-    istanbul-reports "^2.1.0"
+    istanbul-reports "^2.1.1"
     make-dir "^1.3.0"
     merge-source-map "^1.1.0"
     resolve-from "^4.0.0"