diff --git a/package-lock.json b/package-lock.json
index 5e62b98..819cd85 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -498,9 +498,9 @@
       "dev": true
     },
     "fstream": {
-      "version": "1.0.11",
-      "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz",
-      "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
+      "version": "1.0.12",
+      "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.12.tgz",
+      "integrity": "sha512-WvJ193OHa0GHPEL+AycEJgxvBEwyfRkN1vhjca23OaPVMCaLCXTd5qAu82AjTcgP1UJmytkOKb63Ypde7raDIg==",
       "dev": true,
       "requires": {
         "graceful-fs": "^4.1.2",
@@ -593,9 +593,9 @@
       "dev": true
     },
     "gzip-size": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/gzip-size/-/gzip-size-5.1.0.tgz",
-      "integrity": "sha512-wfSnvypBDRW94v5W3ckvvz/zFUNdJ81VgOP6tE4bPpRUcc0wGqU+y0eZjJEvKxwubJFix6P84sE8M51YWLT7rQ==",
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/gzip-size/-/gzip-size-5.1.1.tgz",
+      "integrity": "sha512-FNHi6mmoHvs1mxZAds4PpdCS6QG8B4C1krxJsMutgxl5t3+GlRTzzI3NEkifXx2pVsOvJdOGSmIgDhQ55FwdPA==",
       "dev": true,
       "requires": {
         "duplexer": "^0.1.1",
@@ -1724,13 +1724,13 @@
       "dev": true
     },
     "tar": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.1.tgz",
-      "integrity": "sha1-jk0qJWwOIYXGsYrWlK7JaLg8sdE=",
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.2.tgz",
+      "integrity": "sha512-FCEhQ/4rE1zYv9rYXJw/msRqsnmlje5jHP6huWeBZ704jUTy02c5AZyWujpMR1ax6mVw9NyJMfuK2CMDWVIfgA==",
       "dev": true,
       "requires": {
         "block-stream": "*",
-        "fstream": "^1.0.2",
+        "fstream": "^1.0.12",
         "inherits": "2"
       }
     },
diff --git a/package.json b/package.json
index 6512fdb..3a048d5 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
   },
   "homepage": "https://github.com/elrumordelaluz/csshake",
   "devDependencies": {
-    "gzip-size": "5.1.0",
+    "gzip-size": "5.1.1",
     "node-sass": "4.12.0",
     "pretty-bytes": "5.2.0",
     "pug": "2.0.3"