diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index cded8be..caecf04
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "homepage": "https://trellisfw.github.io/conductor/",
   "dependencies": {
     "@emotion/core": "^10.0.27",
-    "@material-ui/core": "^4.9.7",
+    "@material-ui/core": "^4.12.1",
     "@oada/oada-cache-overmind": "^1.0.8",
     "@oada/oada-id-client": "^1.1.2",
     "@trellisfw/signatures": "^2.1.0",
diff --git a/yarn.lock b/yarn.lock
old mode 100755
new mode 100644
index a5d5f43..43b3f5c
--- a/yarn.lock
+++ b/yarn.lock
@@ -1647,14 +1647,14 @@
     "@types/yargs" "^15.0.0"
     chalk "^4.0.0"
 
-"@material-ui/core@^4.9.7":
-  version "4.11.4"
-  resolved "https://registry.yarnpkg.com/@material-ui/core/-/core-4.11.4.tgz#4fb9fe5dec5dcf780b687e3a40cff78b2b9640a4"
-  integrity sha512-oqb+lJ2Dl9HXI9orc6/aN8ZIAMkeThufA5iZELf2LQeBn2NtjVilF5D2w7e9RpntAzDb4jK5DsVhkfOvFY/8fg==
+"@material-ui/core@^4.12.1":
+  version "4.12.2"
+  resolved "https://registry.yarnpkg.com/@material-ui/core/-/core-4.12.2.tgz#59a8b19f16b8c218d912f37f5ae70473c3c82c73"
+  integrity sha512-Q1npB8V73IC+eV2X6as+g71MpEGQwqKHUI2iujY62npk35V8nMx/bUXAHjv5kKG1BZ8s8XUWoG6s/VkjYPjjQA==
   dependencies:
     "@babel/runtime" "^7.4.4"
     "@material-ui/styles" "^4.11.4"
-    "@material-ui/system" "^4.11.3"
+    "@material-ui/system" "^4.12.1"
     "@material-ui/types" "5.1.0"
     "@material-ui/utils" "^4.11.2"
     "@types/react-transition-group" "^4.2.0"
@@ -1687,10 +1687,10 @@
     jss-plugin-vendor-prefixer "^10.5.1"
     prop-types "^15.7.2"
 
-"@material-ui/system@^4.11.3":
-  version "4.11.3"
-  resolved "https://registry.yarnpkg.com/@material-ui/system/-/system-4.11.3.tgz#466bc14c9986798fd325665927c963eb47cc4143"
-  integrity sha512-SY7otguNGol41Mu2Sg6KbBP1ZRFIbFLHGK81y4KYbsV2yIcaEPOmsCK6zwWlp+2yTV3J/VwT6oSBARtGIVdXPw==
+"@material-ui/system@^4.12.1":
+  version "4.12.1"
+  resolved "https://registry.yarnpkg.com/@material-ui/system/-/system-4.12.1.tgz#2dd96c243f8c0a331b2bb6d46efd7771a399707c"
+  integrity sha512-lUdzs4q9kEXZGhbN7BptyiS1rLNHe6kG9o8Y307HCvF4sQxbCgpL2qi+gUk+yI8a2DNk48gISEQxoxpgph0xIw==
   dependencies:
     "@babel/runtime" "^7.4.4"
     "@material-ui/utils" "^4.11.2"