diff --git a/HISTORY.md b/HISTORY.md
index 8514c4c..3d491b5 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -3,6 +3,11 @@
 https://github.com/josdejong/jsoneditor
 
 
+## not yet released, version 5.26.3
+
+- Upgraded devDependency `gulp` to v4. Thanks @maestr0.
+
+
 ## 2018-11-13, version 5.26.2
 
 - Fixed dragging and selecting multiple nodes not working
diff --git a/package-lock.json b/package-lock.json
index bec6920..2a62f1e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1305,14 +1305,6 @@
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@@ -3737,11 +3544,6 @@
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+      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+      "dev": true
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