diff --git a/packages/playground/package.json b/packages/playground/package.json
index e617c927..28ade80d 100644
--- a/packages/playground/package.json
+++ b/packages/playground/package.json
@@ -15,7 +15,7 @@
     "@emotion/react": "^11.8.1",
     "@quri/squiggle-lang": "^0.2.2",
     "ace-builds": "^1.4.12",
-    "antd": "^4.18.5",
+    "antd": "^4.19.3",
     "babel-plugin-transform-es2015-modules-commonjs": "^6.26.2",
     "binary-search-tree": "0.2.6",
     "css-loader": "^6.7.1",
diff --git a/yarn.lock b/yarn.lock
index 224a792d..a9d2b306 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5724,10 +5724,10 @@ ansi-to-html@^0.6.11:
   dependencies:
     entities "^2.0.0"
 
-antd@^4.18.5:
-  version "4.18.9"
-  resolved "https://registry.yarnpkg.com/antd/-/antd-4.18.9.tgz#a0d246786d5076ea7a53b67191cd39295fc2322a"
-  integrity sha512-MbtFY2J8LvXUnxYH2QehdhP9qMEpHvOp7PmiTIHc7v6aSb+LILCibskRIMGNEKvvhBvsTdq0cnjanR9/IbqEAw==
+antd@^4.19.3:
+  version "4.19.3"
+  resolved "https://registry.yarnpkg.com/antd/-/antd-4.19.3.tgz#2b6bb938bda9850c797db59c8923f3c8a14a6693"
+  integrity sha512-q4oT2lIM0Fb60MfcdtjH6LFQcmo5MuM27PN3nJMsRG1FeiQ9n+OPFlkQSdtb0ZWFIFjTH3p0W02T6SbB2U7ChQ==
   dependencies:
     "@ant-design/colors" "^6.0.0"
     "@ant-design/icons" "^4.7.0"
@@ -5744,21 +5744,22 @@ antd@^4.18.5:
     rc-collapse "~3.1.0"
     rc-dialog "~8.6.0"
     rc-drawer "~4.4.2"
-    rc-dropdown "~3.2.5"
-    rc-field-form "~1.23.0"
+    rc-dropdown "~3.3.2"
+    rc-field-form "~1.24.0"
     rc-image "~5.2.5"
+    rc-input "~0.0.1-alpha.5"
     rc-input-number "~7.3.0"
     rc-mentions "~1.6.1"
-    rc-menu "~9.2.1"
+    rc-menu "~9.3.2"
     rc-motion "^2.4.4"
     rc-notification "~4.5.7"
     rc-pagination "~3.1.9"
-    rc-picker "~2.5.17"
+    rc-picker "~2.6.4"
     rc-progress "~3.2.1"
     rc-rate "~2.9.0"
     rc-resize-observer "^1.2.0"
-    rc-select "~14.0.0-alpha.15"
-    rc-slider "~9.7.4"
+    rc-select "~14.0.2"
+    rc-slider "~10.0.0-alpha.4"
     rc-steps "~4.1.0"
     rc-switch "~3.2.0"
     rc-table "~7.23.0"
@@ -5769,7 +5770,7 @@ antd@^4.18.5:
     rc-tree-select "~5.1.1"
     rc-trigger "^5.2.10"
     rc-upload "~4.3.0"
-    rc-util "^5.14.0"
+    rc-util "^5.19.3"
     scroll-into-view-if-needed "^2.2.25"
 
 anymatch@^2.0.0:
@@ -15079,28 +15080,20 @@ rc-drawer@~4.4.2:
     classnames "^2.2.6"
     rc-util "^5.7.0"
 
-rc-dropdown@^3.2.0:
-  version "3.3.2"
-  resolved "https://registry.yarnpkg.com/rc-dropdown/-/rc-dropdown-3.3.2.tgz#097c2ec1b6d55c10eeb94dcf6120ba034c7a58e0"
-  integrity sha512-49GOz42oNvLtYGoJ2X5UWXJFp7aUiSZkj9OcgTV1UpxFZqHQMw+xijkaL5k3XDkMbb92XsuFnFt7IGG3/C0DKw==
+rc-dropdown@^3.2.0, rc-dropdown@~3.3.2:
+  version "3.3.3"
+  resolved "https://registry.yarnpkg.com/rc-dropdown/-/rc-dropdown-3.3.3.tgz#17ba32ebd066ae397b00e9e4d570c7c21daed88f"
+  integrity sha512-UNe68VpvtrpU0CS4jh5hD4iGqzi4Pdp7uOya6+H3QIEZxe7K+Xs11BNjZm6W4MaL0jTmzUj+bxvnq5bP3rRoVQ==
   dependencies:
     "@babel/runtime" "^7.10.1"
     classnames "^2.2.6"
     rc-trigger "^5.0.4"
+    rc-util "^5.17.0"
 
-rc-dropdown@~3.2.5:
-  version "3.2.5"
-  resolved "https://registry.yarnpkg.com/rc-dropdown/-/rc-dropdown-3.2.5.tgz#c211e571d29d15e7f725b5a75fc8c7f371fc3348"
-  integrity sha512-dVO2eulOSbEf+F4OyhCY5iGiMVhUYY/qeXxL7Ex2jDBt/xc89jU07mNoowV6aWxwVOc70pxEINff0oM2ogjluA==
-  dependencies:
-    "@babel/runtime" "^7.10.1"
-    classnames "^2.2.6"
-    rc-trigger "^5.0.4"
-
-rc-field-form@~1.23.0:
-  version "1.23.0"
-  resolved "https://registry.yarnpkg.com/rc-field-form/-/rc-field-form-1.23.0.tgz#71e1430be5934118f1d00733e89896ffd81aa970"
-  integrity sha512-Zv5rrkbc/KJ5EDoUxX28Wy6Y8FOas03hffcYeSE821z7b7V6YtLrtQyJlv+0725xdCphqUoD/S+7b2KLl67Hew==
+rc-field-form@~1.24.0:
+  version "1.24.0"
+  resolved "https://registry.yarnpkg.com/rc-field-form/-/rc-field-form-1.24.0.tgz#2510a5c34713831ddcb412d4560be9057fc0dc5e"
+  integrity sha512-5beNBU5gEyi8YRYyqbTWSu5hO0jZQN0AWpY3U7TcllUKrDLcZZdRXuAOpyxJQcttWFs+UAFsbcRAUtnOGBjl7w==
   dependencies:
     "@babel/runtime" "^7.8.4"
     async-validator "^4.0.2"
@@ -15125,6 +15118,15 @@ rc-input-number@~7.3.0:
     classnames "^2.2.5"
     rc-util "^5.9.8"
 
+rc-input@~0.0.1-alpha.5:
+  version "0.0.1-alpha.6"
+  resolved "https://registry.yarnpkg.com/rc-input/-/rc-input-0.0.1-alpha.6.tgz#b9bcfb41251ca07aa183c03a3574fbc14fa2e426"
+  integrity sha512-kgpmbxa9vp6kPLW7IP5/Lf6wuaMq+pUq+dPz98vIM58h4wkEKgBQlkMIg9OCEVQIiR8rEPEoe4dO2fc9R0aypQ==
+  dependencies:
+    "@babel/runtime" "^7.11.1"
+    classnames "^2.2.1"
+    rc-util "^5.18.1"
+
 rc-mentions@~1.6.1:
   version "1.6.2"
   resolved "https://registry.yarnpkg.com/rc-mentions/-/rc-mentions-1.6.2.tgz#62ed7cdd8fa86d857c3ce3f9e73438022130815e"
@@ -15137,7 +15139,7 @@ rc-mentions@~1.6.1:
     rc-trigger "^5.0.4"
     rc-util "^5.0.1"
 
-rc-menu@^9.0.0:
+rc-menu@^9.0.0, rc-menu@~9.3.2:
   version "9.3.2"
   resolved "https://registry.yarnpkg.com/rc-menu/-/rc-menu-9.3.2.tgz#bb842d37ebf71da912bea201cf7ef0a27267ad49"
   integrity sha512-h3m45oY1INZyqphGELkdT0uiPnFzxkML8m0VMhJnk2fowtqfiT7F5tJLT3znEVaPIY80vMy1bClCkgq8U91CzQ==
@@ -15150,19 +15152,6 @@ rc-menu@^9.0.0:
     rc-util "^5.12.0"
     shallowequal "^1.1.0"
 
-rc-menu@~9.2.1:
-  version "9.2.1"
-  resolved "https://registry.yarnpkg.com/rc-menu/-/rc-menu-9.2.1.tgz#6fbe47f4846363bb81a5a21f0960026c3ada497a"
-  integrity sha512-UbEtn3rflJ8zS+etYGTVQuzy7Fm+yWXR5c0Rl6ecNTS/dPknRyWAyhJcbeR0Hu1+RdQT+0VCqrUPrgKnm4iY+w==
-  dependencies:
-    "@babel/runtime" "^7.10.1"
-    classnames "2.x"
-    rc-motion "^2.4.3"
-    rc-overflow "^1.2.0"
-    rc-trigger "^5.1.2"
-    rc-util "^5.12.0"
-    shallowequal "^1.1.0"
-
 rc-motion@^2.0.0, rc-motion@^2.0.1, rc-motion@^2.2.0, rc-motion@^2.3.0, rc-motion@^2.3.4, rc-motion@^2.4.3, rc-motion@^2.4.4:
   version "2.4.5"
   resolved "https://registry.yarnpkg.com/rc-motion/-/rc-motion-2.4.5.tgz#b061c50bb29ecd3d735d5f4c40924a3c78226cbd"
@@ -15200,10 +15189,10 @@ rc-pagination@~3.1.9:
     "@babel/runtime" "^7.10.1"
     classnames "^2.2.1"
 
-rc-picker@~2.5.17:
-  version "2.5.19"
-  resolved "https://registry.yarnpkg.com/rc-picker/-/rc-picker-2.5.19.tgz#73d07546fac3992f0bfabf2789654acada39e46f"
-  integrity sha512-u6myoCu/qiQ0vLbNzSzNrzTQhs7mldArCpPHrEI6OUiifs+IPXmbesqSm0zilJjfzrZJLgYeyyOMSznSlh0GKA==
+rc-picker@~2.6.4:
+  version "2.6.5"
+  resolved "https://registry.yarnpkg.com/rc-picker/-/rc-picker-2.6.5.tgz#a7cf8eb0723ec81e379c784c4b798b7fe076dd8c"
+  integrity sha512-4pcg0PgEz4YXBfdwMuHIKaRWaADm3k3g0NtoPIgeGM+VVeOBdUowTx0YSXnT8mQEXcE9lWXX+ZX3biAzQwDM1w==
   dependencies:
     "@babel/runtime" "^7.10.1"
     classnames "^2.2.1"
@@ -15242,10 +15231,10 @@ rc-resize-observer@^1.0.0, rc-resize-observer@^1.1.0, rc-resize-observer@^1.2.0:
     rc-util "^5.15.0"
     resize-observer-polyfill "^1.5.1"
 
-rc-select@~14.0.0-alpha.15, rc-select@~14.0.0-alpha.23, rc-select@~14.0.0-alpha.8:
-  version "14.0.0"
-  resolved "https://registry.yarnpkg.com/rc-select/-/rc-select-14.0.0.tgz#87735dbc548f1cc8e94d579b21682ed2d34f7653"
-  integrity sha512-DkoWMhyxmrfpc1KJSqPORZdkKevzgOINvjR4WI+dibRe6i6DyqGB4Jk21sencnK9di6dumzOCHf93x9t9+gp3Q==
+rc-select@~14.0.0-alpha.23, rc-select@~14.0.0-alpha.8, rc-select@~14.0.2:
+  version "14.0.5"
+  resolved "https://registry.yarnpkg.com/rc-select/-/rc-select-14.0.5.tgz#145c42e7fd66a7fc6c5c56f6b0cf35d8b50f9e23"
+  integrity sha512-5X1bcktpE9++7Ef9Uq7f35kobGBNnddaDhkECjeICWIkCsl9xfYtujQiK1YEYXO5EIYoTVLV30PwN/E3mWAKOQ==
   dependencies:
     "@babel/runtime" "^7.10.1"
     classnames "2.x"
@@ -15255,15 +15244,15 @@ rc-select@~14.0.0-alpha.15, rc-select@~14.0.0-alpha.23, rc-select@~14.0.0-alpha.
     rc-util "^5.16.1"
     rc-virtual-list "^3.2.0"
 
-rc-slider@~9.7.4:
-  version "9.7.5"
-  resolved "https://registry.yarnpkg.com/rc-slider/-/rc-slider-9.7.5.tgz#193141c68e99b1dc3b746daeb6bf852946f5b7f4"
-  integrity sha512-LV/MWcXFjco1epPbdw1JlLXlTgmWpB9/Y/P2yinf8Pg3wElHxA9uajN21lJiWtZjf5SCUekfSP6QMJfDo4t1hg==
+rc-slider@~10.0.0-alpha.4:
+  version "10.0.0-alpha.6"
+  resolved "https://registry.yarnpkg.com/rc-slider/-/rc-slider-10.0.0-alpha.6.tgz#d1f0098a2044a0063c912d049a1309e3357404d6"
+  integrity sha512-4tMChJ3lzX0qlttcXqJ2xecQ+CmZYPXJGDOvPnIS5YWsiSl452vt377/l8A1ZnwjwKAAy2V6nrOXNdqPP2Tq7w==
   dependencies:
     "@babel/runtime" "^7.10.1"
     classnames "^2.2.5"
     rc-tooltip "^5.0.1"
-    rc-util "^5.16.1"
+    rc-util "^5.18.1"
     shallowequal "^1.1.0"
 
 rc-steps@~4.1.0:
@@ -15368,10 +15357,10 @@ rc-upload@~4.3.0:
     classnames "^2.2.5"
     rc-util "^5.2.0"
 
-rc-util@^5.0.1, rc-util@^5.0.6, rc-util@^5.0.7, rc-util@^5.12.0, rc-util@^5.14.0, rc-util@^5.15.0, rc-util@^5.16.1, rc-util@^5.18.1, rc-util@^5.2.0, rc-util@^5.2.1, rc-util@^5.3.0, rc-util@^5.4.0, rc-util@^5.5.0, rc-util@^5.6.1, rc-util@^5.7.0, rc-util@^5.8.0, rc-util@^5.9.4, rc-util@^5.9.8:
-  version "5.18.1"
-  resolved "https://registry.yarnpkg.com/rc-util/-/rc-util-5.18.1.tgz#80bd1450b5254655d2fbea63e3d34f6871e9be79"
-  integrity sha512-24xaSrMZUEKh1+suDOtJWfPe9E6YrwryViZcoPO0miJTKzP4qhUlV5AAlKQ82AJilz/AOHfi3l6HoX8qa1ye8w==
+rc-util@^5.0.1, rc-util@^5.0.6, rc-util@^5.0.7, rc-util@^5.12.0, rc-util@^5.14.0, rc-util@^5.15.0, rc-util@^5.16.1, rc-util@^5.17.0, rc-util@^5.18.1, rc-util@^5.19.3, rc-util@^5.2.0, rc-util@^5.2.1, rc-util@^5.3.0, rc-util@^5.4.0, rc-util@^5.5.0, rc-util@^5.6.1, rc-util@^5.7.0, rc-util@^5.8.0, rc-util@^5.9.4, rc-util@^5.9.8:
+  version "5.19.3"
+  resolved "https://registry.yarnpkg.com/rc-util/-/rc-util-5.19.3.tgz#5f6aa854820f6d5824451d80771035b013eaf6d8"
+  integrity sha512-S28epi9E2s7Nir05q8Ffl3hzDLwkavTGi0PGH1cTqCmkpG1AeBEuZgQDpksYeU6IgHcds5hWIPE5PUcdFiZl8w==
   dependencies:
     "@babel/runtime" "^7.12.5"
     react-is "^16.12.0"