diff --git a/ts/graphs/BUILD.bazel b/ts/graphs/BUILD.bazel
index ee60204fd..35210709f 100644
--- a/ts/graphs/BUILD.bazel
+++ b/ts/graphs/BUILD.bazel
@@ -50,8 +50,7 @@ ts_library(
         "@npm//@types/d3",
         "@npm//@types/lodash",
         "@npm//d3",
-        "@npm//lodash.debounce",
-        "@npm//lodash.throttle",
+        "@npm//lodash-es",
         "@npm//svelte",
     ],
 )
diff --git a/ts/graphs/tooltip.ts b/ts/graphs/tooltip.ts
index d75385f88..b3fdc60a6 100644
--- a/ts/graphs/tooltip.ts
+++ b/ts/graphs/tooltip.ts
@@ -1,7 +1,7 @@
 // Copyright: Ankitects Pty Ltd and contributors
 // License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 
-import throttle from "lodash.throttle";
+import { throttle, DebouncedFunc } from "lodash-es";
 import Tooltip from "./Tooltip.svelte";
 
 let tooltip: Tooltip | null = null;
@@ -24,7 +24,9 @@ function showTooltipInner(msg: string, x: number, y: number): void {
     tooltip.$set({ html: msg, x, y, show: true });
 }
 
-export const showTooltip = throttle(showTooltipInner, 16);
+export const showTooltip: DebouncedFunc<
+    (msg: string, x: number, y: number) => void
+> = throttle(showTooltipInner, 16);
 
 export function hideTooltip(): void {
     const tooltip = getOrCreateTooltip();
diff --git a/ts/licenses.json b/ts/licenses.json
index 155dcb2c8..180cf0d91 100644
--- a/ts/licenses.json
+++ b/ts/licenses.json
@@ -439,23 +439,13 @@
         "path": "node_modules/jquery",
         "licenseFile": "node_modules/jquery/LICENSE.txt"
     },
-    "lodash.debounce@4.0.8": {
+    "lodash-es@4.17.21": {
         "licenses": "MIT",
         "repository": "https://github.com/lodash/lodash",
         "publisher": "John-David Dalton",
         "email": "john.david.dalton@gmail.com",
-        "url": "http://allyoucanleet.com/",
-        "path": "node_modules/lodash.debounce",
-        "licenseFile": "node_modules/lodash.debounce/LICENSE"
-    },
-    "lodash.throttle@4.1.1": {
-        "licenses": "MIT",
-        "repository": "https://github.com/lodash/lodash",
-        "publisher": "John-David Dalton",
-        "email": "john.david.dalton@gmail.com",
-        "url": "http://allyoucanleet.com/",
-        "path": "node_modules/lodash.throttle",
-        "licenseFile": "node_modules/lodash.throttle/LICENSE"
+        "path": "node_modules/lodash-es",
+        "licenseFile": "node_modules/lodash-es/LICENSE"
     },
     "long@4.0.0": {
         "licenses": "Apache-2.0",
diff --git a/ts/package.json b/ts/package.json
index ec90dee17..303e38fb4 100644
--- a/ts/package.json
+++ b/ts/package.json
@@ -18,7 +18,6 @@
         "@types/jquery": "^3.5.0",
         "@types/jqueryui": "^1.12.13",
         "@types/lodash": "^4.14.162",
-        "@types/lodash.throttle": "^4.1.6",
         "@types/long": "^4.0.1",
         "@types/node": "^14.14.20",
         "@types/react": "^16.9.53",
@@ -64,8 +63,7 @@
         "intl-pluralrules": "^1.2.2",
         "jquery": "^3.5.1",
         "jquery-ui-dist": "^1.12.1",
-        "lodash.debounce": "^4.0.8",
-        "lodash.throttle": "^4.1.1",
+        "lodash-es": "^4.17.21",
         "mathjax": "^3.1.2",
         "protobufjs": "^6.10.2"
     },
diff --git a/ts/yarn.lock b/ts/yarn.lock
index a3bd50347..0f0b3569e 100644
--- a/ts/yarn.lock
+++ b/ts/yarn.lock
@@ -503,11 +503,6 @@
     "@types/yargs" "^15.0.0"
     chalk "^4.0.0"
 
-"@mdi/svg@^5.9.55":
-  version "5.9.55"
-  resolved "https://registry.yarnpkg.com/@mdi/svg/-/svg-5.9.55.tgz#7cba058135afd5d8a3da977f51b71ffc6a3a3699"
-  integrity sha512-gO0ZpKIeCn9vFg46QduK9MM+n1fuCNwSdcdlBTtbafnnuvwLveK2uj+byhdLtg/8VJGXDhp+DJ35QUMbeWeULA==
-
 "@jest/types@^27.0.0-next.8":
   version "27.0.0-next.8"
   resolved "https://registry.yarnpkg.com/@jest/types/-/types-27.0.0-next.8.tgz#bbc9f2acad3fea3e71444bfe06af522044a38951"
@@ -940,14 +935,7 @@
   resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.7.tgz#98a993516c859eb0d5c4c8f098317a9ea68db9ad"
   integrity sha512-cxWFQVseBm6O9Gbw1IWb8r6OS4OhSt3hPZLkFApLjM8TEXROBuQGLAH2i2gZpcXdLBIrpXuTDhH7Vbm1iXmNGA==
 
-"@types/lodash.throttle@^4.1.6":
-  version "4.1.6"
-  resolved "https://registry.yarnpkg.com/@types/lodash.throttle/-/lodash.throttle-4.1.6.tgz#f5ba2c22244ee42ff6c2c49e614401a870c1009c"
-  integrity sha512-/UIH96i/sIRYGC60NoY72jGkCJtFN5KVPhEMMMTjol65effe1gPn0tycJqV5tlSwMTzX8FqzB5yAj0rfGHTPNg==
-  dependencies:
-    "@types/lodash" "*"
-
-"@types/lodash@*", "@types/lodash@^4.14.162":
+"@types/lodash@^4.14.162":
   version "4.14.168"
   resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.168.tgz#fe24632e79b7ade3f132891afff86caa5e5ce008"
   integrity sha512-oVfRvqHV/V6D1yifJbVRU3TMp8OT6o6BG+U9MkwuJ3U8/CsDHvalRpsxBqivn71ztOFZBTfJMvETbqHiaNSj7Q==
@@ -3206,15 +3194,10 @@ locate-path@^5.0.0:
   dependencies:
     p-locate "^4.1.0"
 
-lodash.debounce@^4.0.8:
-  version "4.0.8"
-  resolved "https://registry.yarnpkg.com/lodash.debounce/-/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
-  integrity sha1-gteb/zCmfEAF/9XiUVMArZyk168=
-
-lodash.throttle@^4.1.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/lodash.throttle/-/lodash.throttle-4.1.1.tgz#c23e91b710242ac70c37f1e1cda9274cc39bf2f4"
-  integrity sha1-wj6RtxAkKscMN/HhzaknTMOb8vQ=
+lodash-es@^4.17.21:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash-es/-/lodash-es-4.17.21.tgz#43e626c46e6591b7750beb2b50117390c609e3ee"
+  integrity sha512-mKnC+QJ9pWVzv+C4/U3rRsHapFfHvQFoFB92e52xeyGMcX6/OlIl78je1u8vePzYZSkkogMPJ2yjxxsb89cxyw==
 
 lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.7.0:
   version "4.17.21"