diff --git a/package.json b/package.json
index 311842a..ca73ea2 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "author": "Samuel Judson",
   "license": "MIT",
   "dependencies": {
-    "libsodium-wrappers-sumo": "0.7.3"
+    "libsodium-wrappers-sumo": "0.8.4"
   },
   "devDependencies": {
     "mocha": "^5.0.1"
diff --git a/yarn.lock b/yarn.lock
index 2061469..a87bf97 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -77,15 +77,17 @@ inherits@2:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
 
-libsodium-sumo@0.7.3:
-  version "0.7.3"
-  resolved "https://registry.yarnpkg.com/libsodium-sumo/-/libsodium-sumo-0.7.3.tgz#c38d99dc3b2c056870ca8f3ac8f1ecbb150ecbbf"
-
-libsodium-wrappers-sumo@0.7.3:
-  version "0.7.3"
-  resolved "https://registry.yarnpkg.com/libsodium-wrappers-sumo/-/libsodium-wrappers-sumo-0.7.3.tgz#eeb4fc93a9802c34558e0f2ec350295ba6246fc8"
+libsodium-sumo@^0.8.0:
+  version "0.8.4"
+  resolved "https://registry.yarnpkg.com/libsodium-sumo/-/libsodium-sumo-0.8.4.tgz#6d4687781fa0ad398af14a7df872d5c27cf8cd31"
+  integrity sha512-TMtHShQfVVsaxDygyapvUC3o7YsPgXa/hRWeIgzyFz6w5k/1hirGptCxp1U7XwW3rCskaTTYKgV10v86UiGgNw==
+
+libsodium-wrappers-sumo@0.8.4:
+  version "0.8.4"
+  resolved "https://registry.yarnpkg.com/libsodium-wrappers-sumo/-/libsodium-wrappers-sumo-0.8.4.tgz#6656a3e7e0551ecce08ddee4bfb501a092eac6fa"
+  integrity sha512-ql7hcgulKZ3ekfa2DGAogcCKsWU0diA/0nArz1CFzh93WQdb46/Kj18ka/Hifq6uA3Ush34Pc6vU/6HXeRwUkg==
   dependencies:
-    libsodium-sumo "0.7.3"
+    libsodium-sumo "^0.8.0"
 
 minimatch@^3.0.4:
   version "3.0.4"