diff --git a/package.json b/package.json
index dfe1fcc..5d0f316 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "mkdirp": "^0.5.1",
     "node-forge": "^0.6.39",
     "through2": "^2.0.1",
-    "tunnel-agent": "^0.4.3"
+    "tunnel-agent": "^0.6.0"
   },
   "files": [
     "lib"
diff --git a/yarn.lock b/yarn.lock
index f2e4547..45f8065 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1585,7 +1585,7 @@ rimraf@^2.6.1:
   dependencies:
     glob "^7.1.3"
 
-safe-buffer@^5.1.2:
+safe-buffer@^5.0.1, safe-buffer@^5.1.2:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
 
@@ -1786,9 +1786,11 @@ trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
 
-tunnel-agent@^0.4.3:
-  version "0.4.3"
-  resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.4.3.tgz#6373db76909fe570e08d73583365ed828a74eeeb"
+tunnel-agent@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"
+  dependencies:
+    safe-buffer "^5.0.1"
 
 union-value@^1.0.0:
   version "1.0.1"