diff --git a/package.json b/package.json
index e9ff21cb81..3a3c39dd7f 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,7 @@
     "@types/underscore": "1.8.18",
     "@types/webpack": "4.4.32",
     "@types/webpack-dev-server": "3.1.6",
+    "autosize": "4.0.2",
     "blueimp-md5": "2.10.0",
     "cache-loader": "4.0.0",
     "clipboard": "2.0.4",
@@ -27,7 +28,6 @@
     "i18next": "3.4.4",
     "imports-loader": "0.8.0",
     "jquery": "3.4.1",
-    "jquery-autosize": "1.17.7",
     "jquery-caret-plugin": "1.5.2",
     "jquery-validation": "1.19.0",
     "katex": "0.10.2",
diff --git a/static/js/bundles/app.js b/static/js/bundles/app.js
index c6ab92ec7f..a5acd1665d 100644
--- a/static/js/bundles/app.js
+++ b/static/js/bundles/app.js
@@ -6,7 +6,6 @@ import "../../third/bootstrap-typeahead/typeahead.js";
 import "../../third/jquery-filedrop/jquery.filedrop.js";
 import "jquery-caret-plugin/src/jquery.caret.js";
 import "../../third/jquery-idle/jquery.idle.js";
-import "jquery-autosize";
 import "spectrum-colorpicker";
 import "../../third/sockjs/sockjs-0.3.4.js";
 import "../../third/marked/lib/marked.js";
diff --git a/static/js/compose_actions.js b/static/js/compose_actions.js
index 7cc605ddc7..ecdfab9474 100644
--- a/static/js/compose_actions.js
+++ b/static/js/compose_actions.js
@@ -1,3 +1,5 @@
+var autosize = require('autosize');
+
 var compose_actions = (function () {
 
 var exports = {};
@@ -105,7 +107,7 @@ function clear_box() {
 }
 
 exports.autosize_message_content = function () {
-    $("#compose-textarea").autosize({
+    autosize($("#compose-textarea"), {
         callback: function () {
             compose_actions.maybe_scroll_up_selected_message();
         },
@@ -417,7 +419,7 @@ exports.quote_and_reply = function (opts) {
 
     function replace_content(raw_content) {
         compose_ui.replace_syntax('[Quoting…]', '```quote\n' + raw_content + '\n```', textarea);
-        $("#compose-textarea").trigger("autosize.resize");
+        autosize.update($('#compose-textarea'));
     }
 
     if (message && message.raw_content) {
diff --git a/static/js/compose_ui.js b/static/js/compose_ui.js
index 95e10f59d9..9f69d1201f 100644
--- a/static/js/compose_ui.js
+++ b/static/js/compose_ui.js
@@ -1,9 +1,11 @@
+var autosize = require('autosize');
+
 var compose_ui = (function () {
 
 var exports = {};
 
 exports.autosize_textarea = function () {
-    $("#compose-textarea").trigger("autosize.resize");
+    autosize.update($("#compose-textarea"));
 };
 
 exports.smart_insert = function (textarea, syntax) {
@@ -42,7 +44,7 @@ exports.smart_insert = function (textarea, syntax) {
 
     // This should just call exports.autosize_textarea, but it's a bit
     // annoying for the unit tests, so we don't do that.
-    textarea.trigger("autosize.resize");
+    autosize.update(textarea);
 };
 
 exports.insert_syntax_and_focus = function (syntax, textarea) {
diff --git a/static/js/composebox_typeahead.js b/static/js/composebox_typeahead.js
index cfaf59a14a..7a44cf9ee4 100644
--- a/static/js/composebox_typeahead.js
+++ b/static/js/composebox_typeahead.js
@@ -1,3 +1,5 @@
+var autosize = require('autosize');
+
 var composebox_typeahead = (function () {
 
 //************************************
@@ -189,7 +191,7 @@ exports.handle_enter = function (textarea, e) {
         // Now add the newline, remembering to resize the
         // textarea if needed.
         textarea.caret("\n");
-        textarea.trigger("autosize.resize");
+        autosize.update(textarea);
         e.preventDefault();
         return;
     }
diff --git a/static/js/invite.js b/static/js/invite.js
index edb9b4a5e4..b1c6a8e8d0 100644
--- a/static/js/invite.js
+++ b/static/js/invite.js
@@ -2,6 +2,8 @@ var render_invitation_failed_error = require("../templates/invitation_failed_err
 var render_invite_subscription = require('../templates/invite_subscription.hbs');
 var render_settings_dev_env_email_access = require('../templates/settings/dev_env_email_access.hbs');
 
+var autosize = require('autosize');
+
 var invite = (function () {
 
 var exports = {};
@@ -144,7 +146,7 @@ function prepare_form_to_be_shown() {
 exports.launch = function () {
     $('#submit-invitation').button();
     prepare_form_to_be_shown();
-    $("#invitee_emails").focus().autosize();
+    autosize($("#invitee_emails").focus());
 
     overlays.open_overlay({
         name: 'invite',
diff --git a/static/js/message_list.js b/static/js/message_list.js
index 8804b80477..cd723c8878 100644
--- a/static/js/message_list.js
+++ b/static/js/message_list.js
@@ -1,3 +1,5 @@
+var autosize = require('autosize');
+
 var message_list = (function () {
 
 var exports = {};
@@ -311,7 +313,7 @@ exports.MessageList.prototype = {
         row.find(".message_edit_form").empty().append(edit_obj.form);
         row.find(".message_content, .status-message, .message_controls").hide();
         row.find(".message_edit").css("display", "block");
-        row.find(".message_edit_content").autosize();
+        autosize(row.find(".message_edit_content"));
     },
 
     hide_edit_message: function MessageList_hide_edit_message(row) {
diff --git a/static/js/resize.js b/static/js/resize.js
index 9118018e95..c527a4c1e4 100644
--- a/static/js/resize.js
+++ b/static/js/resize.js
@@ -1,3 +1,5 @@
+var autosize = require('autosize');
+
 var resize = (function () {
 
 var exports = {};
@@ -185,7 +187,7 @@ exports.watch_manual_resize = function (element) {
     }(function (height) {
         // This callback disables autosize on the textarea.  It
         // will be re-enabled when this component is next opened.
-        $(element).trigger("autosize.destroy")
+        autosize.destroy($(element))
             .height(height + "px");
     }));
 };
diff --git a/version.py b/version.py
index 0f318737e4..62a624eb2f 100644
--- a/version.py
+++ b/version.py
@@ -21,4 +21,4 @@ LATEST_RELEASE_ANNOUNCEMENT = "https://blog.zulip.org/2019/03/01/zulip-2-0-relea
 # Typically, adding a dependency only requires a minor version bump, and
 # removing a dependency requires a major version bump.
 
-PROVISION_VERSION = '38.1'
+PROVISION_VERSION = '39.0'
diff --git a/yarn.lock b/yarn.lock
index 517c98a16c..5012aae489 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1049,6 +1049,11 @@ autoprefixer@^9.5.1:
     postcss "^7.0.16"
     postcss-value-parser "^3.3.1"
 
+autosize@4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/autosize/-/autosize-4.0.2.tgz#073cfd07c8bf45da4b9fd153437f5bafbba1e4c9"
+  integrity sha512-jnSyH2d+qdfPGpWlcuhGiHmqBJ6g3X+8T+iRwFrHPLVcdoGJE/x6Qicm6aDHfTsbgZKxyV8UU/YB2p4cjKDRRA==
+
 aws-sign2@~0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
@@ -5807,11 +5812,6 @@ istanbul-reports@^2.2.4:
   dependencies:
     handlebars "^4.1.2"
 
-jquery-autosize@1.17.7:
-  version "1.17.7"
-  resolved "https://registry.yarnpkg.com/jquery-autosize/-/jquery-autosize-1.17.7.tgz#3e6292fac80b120e68e4ae8f44de3f82d427e5f7"
-  integrity sha1-PmKS+sgLEg5o5K6PRN4/gtQn5fc=
-
 jquery-caret-plugin@1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/jquery-caret-plugin/-/jquery-caret-plugin-1.5.2.tgz#8980e266f2af3cc4976735040fdbb4ed1b3d141c"