diff --git a/package.json b/package.json
index ed05cb27..a8bd1cf8 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   },
   "dependencies": {
     "@hackmd/codemirror": "~5.46.2",
-    "@hackmd/diff-match-patch": "~1.1.1",
+    "@hackmd/diff-match-patch": "~1.1.3",
     "@hackmd/idle-js": "~1.0.1",
     "@hackmd/imgur": "~0.4.1",
     "@hackmd/js-sequence-diagrams": "~0.0.1-alpha.3",
diff --git a/yarn.lock b/yarn.lock
index a789994c..423918a1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -995,10 +995,10 @@
   resolved "https://registry.yarnpkg.com/@hackmd/codemirror/-/codemirror-5.46.2.tgz#6647c083e18ccae95364cbdc81b2a5e01983061d"
   integrity sha512-FCHRV9xsOvcTVEdy2dGXNgaqfIiFra1jYSpOcmt9BuM/s86aRRs0GFFvLOl1Z/bIGtG57mnjndY3ZLyaZLnjsA==
 
-"@hackmd/diff-match-patch@~1.1.1":
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/@hackmd/diff-match-patch/-/diff-match-patch-1.1.1.tgz#9740833d315468fead567c336132faabe3f195eb"
-  integrity sha512-eZc7w8fyRYCPIbzM56OA74HSuIgrlj62AgUSattDVCyGO5Kh6/ZLSgx1xvmypWjP16t4EUA1F5CoZvftbiZ5fg==
+"@hackmd/diff-match-patch@~1.1.3":
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/@hackmd/diff-match-patch/-/diff-match-patch-1.1.3.tgz#c9b06119934bb638e49df5a82bab5ce03b07104d"
+  integrity sha512-n6drMSGRHzK33vc8qNhJmMwLYOrtWKugkJAFTETHEKew+E3KwEKhaR0TTHl1sgm5gujvdPPQRXAHC5EI81tMFA==
 
 "@hackmd/idle-js@~1.0.1":
   version "1.0.1"