diff --git a/package.json b/package.json
index c13e35b52..5539cddb4 100644
--- a/package.json
+++ b/package.json
@@ -128,7 +128,7 @@
     "parcel-bundler": "^1.12.4",
     "prettier": "^1.19.1",
     "sinon": "^7.3.2",
-    "source-map-support": "^0.5.12",
+    "source-map-support": "^0.5.18",
     "sourcegraph": "^23.0.1",
     "ts-node": "^8.3.0",
     "tslint": "^5.11.0",
diff --git a/yarn.lock b/yarn.lock
index 652f3be43..933b3ec65 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6148,10 +6148,10 @@ source-map-resolve@^0.5.0:
     source-map-url "^0.4.0"
     urix "^0.1.0"
 
-source-map-support@^0.5.12, source-map-support@^0.5.6, source-map-support@~0.5.12, source-map-support@~0.5.6:
-  version "0.5.12"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.12.tgz#b4f3b10d51857a5af0138d3ce8003b201613d599"
-  integrity sha512-4h2Pbvyy15EE02G+JOZpUCmqWJuqrs+sEkzewTm++BPi7Hvn/HwcqLAcNxYAyI0x13CpPPn+kMjl+hplXMHITQ==
+source-map-support@^0.5.18, source-map-support@^0.5.6, source-map-support@~0.5.12, source-map-support@~0.5.6:
+  version "0.5.18"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.18.tgz#f5f33489e270bd7f7d7e7b8debf283f3a4066960"
+  integrity sha512-9luZr/BZ2QeU6tO2uG8N2aZpVSli4TSAOAqFOyTO51AJcD9P99c0K1h6dD6r6qo5dyT44BR5exweOaLLeldTkQ==
   dependencies:
     buffer-from "^1.0.0"
     source-map "^0.6.0"