diff --git a/package-lock.json b/package-lock.json
index 604367a..ac8e768 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1305,9 +1305,9 @@
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@@ -5761,16 +5761,16 @@
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+      "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4=",
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@@ -6595,9 +6601,9 @@
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+      "resolved": "https://registry.npmjs.org/request/-/request-2.88.2.tgz",
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@@ -6606,7 +6612,7 @@
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@@ -6616,28 +6622,28 @@
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+        "punycode": {
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+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
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+          "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.5.0.tgz",
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-            "psl": "^1.1.24",
-            "punycode": "^1.4.1"
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@@ -7507,9 +7513,9 @@
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+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.5.tgz",
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diff --git a/package.json b/package.json
index fc7a151..0fae0f0 100644
--- a/package.json
+++ b/package.json
@@ -25,17 +25,17 @@
   "homepage": "https://github.com/launchdarkly/node-server-sdk",
   "dependencies": {
     "@types/redis": "2.8.6",
-    "async": "3.1.0",
+    "async": "^3.1.0",
     "lrucache": "^1.0.3",
     "node-cache": "^4.2.0",
     "redis": "^2.6.0-2",
-    "request": "2.88.0",
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     "tunnel": "0.0.6",
     "uuid": "^3.3.3",
-    "winston": "2.4.1",
-    "yaml": "1.0.1"
+    "winston": "^2.4.1",
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@@ -43,6 +43,7 @@
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     "eslint": "^6.5.1",
     "eslint-config-prettier": "^6.10.0",
@@ -53,7 +54,7 @@
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     "prettier": "1.19.1",
     "tmp": "0.0.33",
-    "typescript": "3.0.1"
+    "typescript": "^3.7.5"
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   "jest": {
     "rootDir": ".",