diff --git a/package.json b/package.json
index df03ddd091..525fadfdcb 100644
--- a/package.json
+++ b/package.json
@@ -121,7 +121,7 @@
     "sort-package-json": "^1.55.0",
     "symlink-or-copy": "^1.3.1",
     "temp": "0.9.4",
-    "testem": "^3.7.0",
+    "testem": "^3.9.0",
     "tiny-lr": "^2.0.0",
     "tree-sync": "^2.1.0",
     "uuid": "^8.3.2",
diff --git a/yarn.lock b/yarn.lock
index 83a1bc58e0..1108899047 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8159,10 +8159,10 @@ testdouble@^3.16.5, testdouble@^3.2.6:
     stringify-object-es5 "^2.5.0"
     theredoc "^1.0.0"
 
-testem@^3.7.0:
-  version "3.7.0"
-  resolved "https://registry.yarnpkg.com/testem/-/testem-3.7.0.tgz#9ea8dac471bf6f5f9e5f999feb9d68b9925cc61b"
-  integrity sha512-dJWbMiaR0gE1UHeVa0mMisc39Anx5xyyg6Jgxh0G96YD+XTQNrXrz4+m59HQ0dhjQsh091nghXhz7t6tJl3k1w==
+testem@^3.9.0:
+  version "3.9.0"
+  resolved "https://registry.yarnpkg.com/testem/-/testem-3.9.0.tgz#a82ccf01e5a248e3924244186e348c665ab90f7d"
+  integrity sha512-YTxCYKj0cc8uUSKEziJtSC5T/pw4fQnY0ZXNOyvAFgrijfsN9NxmncJZOHLhPgFOuhbRd5i+DBQxw0Cpe0SEFg==
   dependencies:
     "@xmldom/xmldom" "^0.8.0"
     backbone "^1.1.2"