diff --git a/package-lock.json b/package-lock.json
index 0c97bb2..f03fd35 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8169,9 +8169,9 @@
       }
     },
     "typescript": {
-      "version": "3.9.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.2.tgz",
-      "integrity": "sha512-q2ktq4n/uLuNNShyayit+DTobV2ApPEo/6so68JaD5ojvc/6GClBipedB9zNWYxRSAlZXAe405Rlijzl6qDiSw==",
+      "version": "3.8.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.8.3.tgz",
+      "integrity": "sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==",
       "dev": true
     },
     "union-value": {
diff --git a/package.json b/package.json
index 99a68c7..d78ddf6 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "tslint": "^5.19.0",
     "tslint-config-prettier": "^1.18.0",
     "tslint-plugin-prettier": "^2.0.1",
-    "typescript": "^3.9.2"
+    "typescript": "~3.8.3"
   },
   "dependencies": {
     "launchdarkly-js-client-sdk": "2.17.5",