diff --git a/server/package.json b/server/package.json
index 3f822c4..2367057 100644
--- a/server/package.json
+++ b/server/package.json
@@ -20,7 +20,7 @@
     "dotenv": "^6.2.0",
     "express": "^4.16.4",
     "helmet": "^3.15.0",
-    "issn": "^1.0.5",
+    "issn": "^1.0.6",
     "morgan": "^1.9.1",
     "orcid-utils": "^1.0.2",
     "pg": "^7.8.2",
diff --git a/server/yarn.lock b/server/yarn.lock
index c1f22a4..9eb529d 100644
--- a/server/yarn.lock
+++ b/server/yarn.lock
@@ -1775,16 +1775,21 @@ get-pkg-repo@^1.0.0:
     parse-github-repo-url "^1.3.0"
     through2 "^2.0.0"
 
-get-stdin@4.0.1, get-stdin@^4.0.1:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
-  integrity sha1-uWjGsKBDhDJJAui/Gl3zJXmkUP4=
-
 get-stdin@5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-5.0.1.tgz#122e161591e21ff4c52530305693f20e6393a398"
   integrity sha1-Ei4WFZHiH/TFJTAwVpPyDmOTo5g=
 
+get-stdin@7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-7.0.0.tgz#8d5de98f15171a125c5e516643c7a6d0ea8a96f6"
+  integrity sha512-zRKcywvrXlXsA0v0i9Io4KDRaAw7+a1ZpjRwl9Wox8PFlVCCHra7E9c4kqXCoCM9nR5tBkaTTZRBoCm60bFqTQ==
+
+get-stdin@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
+  integrity sha1-uWjGsKBDhDJJAui/Gl3zJXmkUP4=
+
 get-stdin@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-6.0.0.tgz#9e09bf712b360ab9225e812048f71fde9c89657b"
@@ -2467,13 +2472,13 @@ isobject@^3.0.0, isobject@^3.0.1:
   resolved "https://registry.yarnpkg.com/isobject/-/isobject-3.0.1.tgz#4e431e92b11a9731636aa1f9c8d1ccbcfdab78df"
   integrity sha1-TkMekrEalzFjaqH5yNHMvP2reN8=
 
-issn@^1.0.5:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/issn/-/issn-1.0.5.tgz#45b5794929b6dec281207bce2b3996e988d0a40e"
-  integrity sha1-RbV5SSm23sKBIHvOKzmW6YjQpA4=
+issn@^1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/issn/-/issn-1.0.6.tgz#f74b87d6c3e1e61177ae5515a51b5068883cb426"
+  integrity sha512-o7xtlRtQSNSp5sAP8ifOxgtPG+7RFJt5F0a4H44mFrLaraCLfhGBA7fu9qMOmb8LxST9/wPDxZtDj7jaTGd3Ig==
   dependencies:
-    get-stdin "4.0.1"
-    minimist "1.2.0"
+    get-stdin "7.0.0"
+    minimist "^1.2.5"
 
 js-tokens@^4.0.0:
   version "4.0.0"
@@ -2934,11 +2939,16 @@ minimist@0.0.8:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
   integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
 
-minimist@1.2.0, minimist@^1.1.3, minimist@^1.2.0:
+minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
   integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
 
+minimist@^1.2.5:
+  version "1.2.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.8.tgz#c1a464e7693302e082a075cee0c057741ac4772c"
+  integrity sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==
+
 minimist@~0.0.1:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"