diff --git a/packages/salesforcedx-apex-debugger/package.json b/packages/salesforcedx-apex-debugger/package.json
index 3a70df2dde..1e252a85ed 100644
--- a/packages/salesforcedx-apex-debugger/package.json
+++ b/packages/salesforcedx-apex-debugger/package.json
@@ -34,7 +34,7 @@
     "mocha-multi-reporters": "^1.1.7",
     "mock-spawn": "0.2.6",
     "nyc": "^13",
-    "sinon": "^7.3.1",
+    "sinon": "^19.0.0",
     "typescript": "3.8.3",
     "vscode-debugadapter-testsupport": "1.28.0"
   },