diff --git a/HISTORY.md b/HISTORY.md
index 3e43986ff..8838d378a 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -2,7 +2,7 @@
 
 https://github.com/josdejong/jsoneditor
 
-## not yet published, version 8.6.4
+## 2020-03-29, version 8.6.4
 
 - Fix #921: `sortObjectKeys` emits `onChange` events.
 - Fix #946: `language` not working in modes `text`, `code`, and `preview`.
diff --git a/package-lock.json b/package-lock.json
index 02a0bc91a..8fc081cc0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "jsoneditor",
-  "version": "8.6.3",
+  "version": "8.6.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -932,178 +932,177 @@
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@@ -2383,18 +2382,18 @@
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-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
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-          "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
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+            "minimist": "^1.2.5"
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@@ -3796,9 +3795,9 @@
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+      "resolved": "https://registry.npmjs.org/figgy-pudding/-/figgy-pudding-3.5.2.tgz",
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@@ -6246,12 +6245,6 @@
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-      "resolved": "https://registry.npmjs.org/mamacro/-/mamacro-0.0.3.tgz",
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@@ -6821,18 +6814,18 @@
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-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
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+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
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-          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
-          "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+          "version": "0.5.4",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.4.tgz",
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-            "minimist": "0.0.8"
+            "minimist": "^1.2.5"
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@@ -9067,9 +9060,9 @@
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-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.6.6.tgz",
-      "integrity": "sha512-4lYPyeNmstjIIESr/ysHg2vUPRGf2tzF9z2yYwnowXVuVzLEamPN1Gfrz7f8I9uEPuHcbFlW4PLIAsJoxXyJ1g==",
+      "version": "4.6.7",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.6.7.tgz",
+      "integrity": "sha512-fmr7M1f7DBly5cX2+rFDvmGBAaaZyPrHYK4mMdHEDAdNTqXSZgSOfqsfGq2HqPGT/1V0foZZuCZFx8CHKgAk3g==",
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@@ -9328,9 +9321,9 @@
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-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.8.0.tgz",
-      "integrity": "sha512-ugNSTT8ierCsDHso2jkBHXYrU8Y5/fY2ZUprfrJUiD7YpuFvV4jODLFmb3h4btQjqr5Nh4TX4XtgDfCU1WdioQ==",
+      "version": "3.8.1",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.8.1.tgz",
+      "integrity": "sha512-W7KxyzeaQmZvUFbGj4+YFshhVrMBGSg2IbcYAjGWGvx8DHvJMclbTDMpffdxFUGPBHjIytk7KJUR/KUXstUGDw==",
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@@ -9708,12 +9701,12 @@
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+      "version": "1.6.1",
+      "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.6.1.tgz",
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       "dev": true,
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-        "chokidar": "^2.0.2",
+        "chokidar": "^2.1.8",
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@@ -9725,15 +9718,15 @@
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-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.42.0.tgz",
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+      "version": "4.42.1",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.42.1.tgz",
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-        "@webassemblyjs/helper-module-context": "1.8.5",
-        "@webassemblyjs/wasm-edit": "1.8.5",
-        "@webassemblyjs/wasm-parser": "1.8.5",
+        "@webassemblyjs/ast": "1.9.0",
+        "@webassemblyjs/helper-module-context": "1.9.0",
+        "@webassemblyjs/wasm-edit": "1.9.0",
+        "@webassemblyjs/wasm-parser": "1.9.0",
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@@ -9745,7 +9738,7 @@
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         "micromatch": "^3.1.10",
-        "mkdirp": "^0.5.1",
+        "mkdirp": "^0.5.3",
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@@ -9772,18 +9765,18 @@
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-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
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-          "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+          "version": "0.5.4",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.4.tgz",
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           "dev": true,
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-            "minimist": "0.0.8"
+            "minimist": "^1.2.5"
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diff --git a/package.json b/package.json
index b24d10d3e..92d46e9f2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jsoneditor",
-  "version": "8.6.3",
+  "version": "8.6.4",
   "main": "./index",
   "description": "A web-based tool to view, edit, format, and validate JSON",
   "tags": [
@@ -52,8 +52,8 @@
     "mkdirp": "^1.0.3",
     "mocha": "^7.1.1",
     "standard": "^14.3.3",
-    "uglify-js": "^3.8.0",
-    "webpack": "^4.42.0"
+    "uglify-js": "^3.8.1",
+    "webpack": "^4.42.1"
   },
   "files": [
     "dist",