diff --git a/yarn.lock b/yarn.lock
index 2f72f528f9f..8fce1ed7f6f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -180,6 +180,11 @@
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/@mapbox/shelf-pack/-/shelf-pack-3.1.0.tgz#1edea9c0bf6715b217171ba60646c201af520f6a"
 
+"@mapbox/sphericalmercator@github:landtechnologies/sphericalmercator#24a1b89b4edc26fcfd6171d61c27e3a9ea2f885c":
+  version "1.0.5"
+  uid "24a1b89b4edc26fcfd6171d61c27e3a9ea2f885c"
+  resolved "https://codeload.github.com/landtechnologies/sphericalmercator/tar.gz/24a1b89b4edc26fcfd6171d61c27e3a9ea2f885c"
+
 "@mapbox/tiny-sdf@^1.1.0":
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/@mapbox/tiny-sdf/-/tiny-sdf-1.1.0.tgz#b0b8f5c22005e6ddb838f421ffd257c1f74f9a20"
@@ -2220,8 +2225,8 @@ class-utils@^0.3.5:
     static-extend "^0.1.1"
 
 clean-css@4.1.x:
-  version "4.1.9"
-  resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-4.1.9.tgz#35cee8ae7687a49b98034f70de00c4edd3826301"
+  version "4.1.11"
+  resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-4.1.11.tgz#2ecdf145aba38f54740f26cefd0ff3e03e125d6a"
   dependencies:
     source-map "0.5.x"
 
@@ -7719,6 +7724,10 @@ pngjs@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/pngjs/-/pngjs-3.2.0.tgz#fc9fcea1a8a375da54a51148019d5abd41dbabde"
 
+point-geometry@^0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/point-geometry/-/point-geometry-0.0.0.tgz#6fcbcad7a803b6418247dd6e49c2853c584daff7"
+
 portscanner@2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/portscanner/-/portscanner-2.1.1.tgz#eabb409e4de24950f5a2a516d35ae769343fbb96"
@@ -9110,13 +9119,13 @@ source-map-url@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
 
-source-map@0.5.x, source-map@^0.5.1, source-map@~0.5.0:
+source-map@0.5.x, source-map@^0.5.0, source-map@^0.5.1, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.0, source-map@~0.5.1, source-map@~0.5.3:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
-"source-map@>= 0.1.2", source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1, source-map@~0.5.3:
-  version "0.5.6"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
+"source-map@>= 0.1.2", source-map@^0.6.0, source-map@^0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
 
 source-map@^0.1.34, source-map@~0.1.33:
   version "0.1.43"
@@ -9130,10 +9139,6 @@ source-map@^0.4.2, source-map@^0.4.4:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@^0.6.0, source-map@^0.6.1:
-  version "0.6.1"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
-
 source-map@~0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.2.0.tgz#dab73fbcfc2ba819b4de03bd6f6eaa48164b3f9d"