diff --git a/package.json b/package.json
index 811a5db5..99a6e184 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "@babel/preset-env": "^7.10.4",
     "@babel/runtime": "^7.10.4",
     "@rollup/plugin-replace": "^2.3.0",
-    "@webcomponents/custom-elements": "^1.4.0",
+    "@webcomponents/custom-elements": "^1.4.1",
     "@webcomponents/shadydom": "^1.7.3",
     "array-flat-polyfill": "^1.0.1",
     "arrow-key-navigation": "^1.2.0",
@@ -56,10 +56,10 @@
     "blurhash": "^1.1.3",
     "cheerio": "^1.0.0-rc.3",
     "child-process-promise": "^2.2.1",
-    "chokidar": "^3.3.1",
+    "chokidar": "^3.4.0",
     "circular-dependency-plugin": "^5.2.0",
     "compression": "^1.7.4",
-    "cross-env": "^7.0.0",
+    "cross-env": "^7.0.2",
     "css-dedoupe": "^0.1.1",
     "css-loader": "^3.6.0",
     "emoji-picker-element": "^1.0.3",
@@ -77,7 +77,7 @@
     "form-data": "^3.0.0",
     "glob": "^7.1.6",
     "indexeddb-getall-shim": "^1.3.6",
-    "intersection-observer": "^0.8.0",
+    "intersection-observer": "^0.11.0",
     "intl": "^1.2.5",
     "li": "^1.3.0",
     "localstorage-memory": "^1.0.3",
@@ -97,7 +97,7 @@
     "rollup-plugin-babel": "^4.3.3",
     "rollup-plugin-terser": "^5.2.0",
     "sapper": "nolanlawson/sapper#for-pinafore-21",
-    "sass": "^1.26.5",
+    "sass": "^1.26.9",
     "stringz": "^2.1.0",
     "svelte": "^2.16.1",
     "svelte-extras": "^2.0.2",
diff --git a/yarn.lock b/yarn.lock
index 0851a8ee..7bec886e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1147,7 +1147,7 @@
     "@webassemblyjs/wast-parser" "1.9.0"
     "@xtuc/long" "4.2.2"
 
-"@webcomponents/custom-elements@^1.4.0":
+"@webcomponents/custom-elements@^1.4.1":
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/@webcomponents/custom-elements/-/custom-elements-1.4.1.tgz#9803aaa2286a13a4ba200a7a2ea767871598eb60"
   integrity sha512-vNCS1+3sxJOpoIsBjUQiXjGLngakEAGOD5Ale+6ikg6OZG5qI5O39frm3raPhud/IwnF4vec5ags05YBsgzcuA==
@@ -2711,21 +2711,6 @@ chokidar@^2.1.8:
   optionalDependencies:
     fsevents "^1.2.7"
 
-chokidar@^3.3.1:
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.3.1.tgz#c84e5b3d18d9a4d77558fef466b1bf16bbeb3450"
-  integrity sha512-4QYCEWOcK3OJrxwvyyAOxFuhpvOVCYkr33LPfFNBjAD/w3sEzWsp2BUOkI4l9bHvWioAd0rc6NlHUOEaWkTeqg==
-  dependencies:
-    anymatch "~3.1.1"
-    braces "~3.0.2"
-    glob-parent "~5.1.0"
-    is-binary-path "~2.1.0"
-    is-glob "~4.0.1"
-    normalize-path "~3.0.0"
-    readdirp "~3.3.0"
-  optionalDependencies:
-    fsevents "~2.1.2"
-
 chownr@^1.1.1:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
@@ -3055,7 +3040,7 @@ create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-cross-env@^7.0.0:
+cross-env@^7.0.2:
   version "7.0.2"
   resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-7.0.2.tgz#bd5ed31339a93a3418ac4f3ca9ca3403082ae5f9"
   integrity sha512-KZP/bMEOJEDCkDQAyRhu3RL2ZO/SUVrxQVI0G3YEQ+OLbRA3c6zgixe8Mq8a/z7+HKlNEjo8oiLUs8iRijY2Rw==
@@ -4876,10 +4861,10 @@ inquirer@^7.0.0:
     strip-ansi "^6.0.0"
     through "^2.3.6"
 
-intersection-observer@^0.8.0:
-  version "0.8.0"
-  resolved "https://registry.yarnpkg.com/intersection-observer/-/intersection-observer-0.8.0.tgz#e61274136f81dc114a7340a0b2e7a30b9787c438"
-  integrity sha512-o5nSHpitRPDRPe9NDBJNwKp24Wa11xQSDPOg/s6PsWIaGRoAOwBoMMY1R/UmlezBohjdFW6W4kJ9rkm3jCK+Hg==
+intersection-observer@^0.11.0:
+  version "0.11.0"
+  resolved "https://registry.yarnpkg.com/intersection-observer/-/intersection-observer-0.11.0.tgz#f4ea067070326f68393ee161cc0a2ca4c0040c6f"
+  integrity sha512-KZArj2QVnmdud9zTpKf279m2bbGfG+4/kn16UU0NL3pTVl52ZHiJ9IRNSsnn6jaHrL9EGLFM5eWjTx2fz/+zoQ==
 
 intl@^1.2.5:
   version "1.2.5"
@@ -6511,7 +6496,7 @@ performance-now@^2.1.0:
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
   integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
-picomatch@^2.0.4, picomatch@^2.0.5, picomatch@^2.0.7, picomatch@^2.2.1:
+picomatch@^2.0.4, picomatch@^2.0.5, picomatch@^2.2.1:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.2.tgz#21f333e9b6b8eaff02468f5146ea406d345f4dad"
   integrity sha512-q0M/9eZHzmr0AulXyPwNfZjtwZ/RBZlbN3K3CErVrk50T2ASYI7Bye0EvekFY3IP1Nt2DHu0re+V2ZHIpMkuWg==
@@ -6954,13 +6939,6 @@ readdirp@~3.2.0:
   dependencies:
     picomatch "^2.0.4"
 
-readdirp@~3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.3.0.tgz#984458d13a1e42e2e9f5841b129e162f369aff17"
-  integrity sha512-zz0pAkSPOXXm1viEwygWIPSPkcBYjW1xU5j/JBh5t9bGCJwa6f9+BJa6VaB2g+b55yVrmXzqkyLf4xaWYM0IkQ==
-  dependencies:
-    picomatch "^2.0.7"
-
 readdirp@~3.4.0:
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.4.0.tgz#9fdccdf9e9155805449221ac645e8303ab5b9ada"
@@ -7315,10 +7293,10 @@ sapper@nolanlawson/sapper#for-pinafore-21:
     string-hash "^1.1.3"
     tslib "^1.9.3"
 
-sass@^1.26.5:
-  version "1.26.5"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.26.5.tgz#2d7aecfbbabfa298567c8f06615b6e24d2d68099"
-  integrity sha512-FG2swzaZUiX53YzZSjSakzvGtlds0lcbF+URuU9mxOv7WBh7NhXEVDa4kPKN4hN6fC2TkOTOKqiqp6d53N9X5Q==
+sass@^1.26.9:
+  version "1.26.9"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.26.9.tgz#73c10cbb88c12b22a9e0107725bfd62296f4978f"
+  integrity sha512-t8AkRVi+xvba4yZiLWkJdgJHBFCB3Dh4johniQkPy9ywkgFHNasXFEFP+RG/F6LhQ+aoE4aX+IorIWQjS0esVw==
   dependencies:
     chokidar ">=2.0.0 <4.0.0"