diff --git a/package-lock.json b/package-lock.json
index c9e6441f6d8f03b9183ef56ba679682495730798..182e25badcc362ce1ac627ea0393a2a2529d474a 100644
--- a/package-lock.json
+++ b/package-lock.json
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         "tiny-warning": "^1.0.2"
       }
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     "jss-plugin-props-sort": {
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-        "jss": "10.0.0"
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     "jsx-ast-utils": {
diff --git a/package.json b/package.json
index dbb73d29677ed4cf5f31ea39f058afb23e37aef9..6884041396d6c231f32b934f6f44dba9b0af2526 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.4.2",
-    "@material-ui/core": "^4.5.1",
+    "@material-ui/core": "^4.8.3",
     "@material-ui/icons": "^4.5.1",
     "Leaflet.Control.Opacity": "git+https://github.com/SemanticComputing/Leaflet.Control.Opacity.git",
     "Leaflet.extra-markers": "git+https://github.com/SemanticComputing/Leaflet.ExtraMarkers.git",