diff --git a/assets/js/exercise.js b/assets/js/exercise.js
index d2be7ccf18..e9642c4774 100644
--- a/assets/js/exercise.js
+++ b/assets/js/exercise.js
@@ -1,8 +1,10 @@
-
+// Script to be added in the exercises tool.
 import 'jsplumb';
 import 'jquery-ui-touch-punch';
 import 'xcolor/jquery.xcolor.js';
-
+import 'xcolor/jquery.xcolor.js';
+import 'signature_pad';
 import '../../public/main/inc/lib/javascript/epiclock/javascript/jquery.dateformat.min.js';
 import '../../public/main/inc/lib/javascript/epiclock/javascript/jquery.epiclock.js';
 import '../../public/main/inc/lib/javascript/epiclock/renderers/minute/epiclock.minute.js';
+import './annotation'
\ No newline at end of file
diff --git a/package.json b/package.json
index c2f4da56f4..75c409e7df 100644
--- a/package.json
+++ b/package.json
@@ -67,6 +67,7 @@
     "readmore-js": "^2.2.1",
     "router": "^1.3.5",
     "select2": "^4.0",
+    "signature_pad": "^3.0.0-beta.4",
     "sweetalert2": "^9.5",
     "textcomplete": "^0.18.1",
     "timeago": "^1.6.7",
diff --git a/yarn.lock b/yarn.lock
index d772a77ce2..b6d255874b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -12975,6 +12975,11 @@ signal-exit@^3.0.0, signal-exit@^3.0.2:
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.3.tgz#a1410c2edd8f077b08b4e253c8eacfcaf057461c"
   integrity sha512-VUJ49FC8U1OxwZLxIbTTrDvLnf/6TDgxZcK8wxR8zs13xpx7xbG60ndBlhNrFi2EMuFRoeDoJO7wthSLq42EjA==
 
+signature_pad@^3.0.0-beta.4:
+  version "3.0.0-beta.4"
+  resolved "https://registry.yarnpkg.com/signature_pad/-/signature_pad-3.0.0-beta.4.tgz#2a8441559e9f439e7f2f525da3ee630ef973ecf6"
+  integrity sha512-cOf2NhVuTiuNqe2X/ycEmizvCDXk0DoemhsEpnkcGnA4kS5iJYTCqZ9As7tFBbsch45Q1EdX61833+6sjJ8rrw==
+
 simple-swizzle@^0.2.2:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/simple-swizzle/-/simple-swizzle-0.2.2.tgz#a4da6b635ffcccca33f70d17cb92592de95e557a"