diff --git a/fullcalendar-core/package-lock.json b/fullcalendar-core/package-lock.json
index 539a8ed..1947c9e 100644
--- a/fullcalendar-core/package-lock.json
+++ b/fullcalendar-core/package-lock.json
@@ -1373,7 +1373,7 @@
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@@ -5598,7 +5598,7 @@
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-          "resolved": "http://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
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@@ -6099,7 +6099,7 @@
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+      "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
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@@ -6611,7 +6611,7 @@
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+      "resolved": "https://registry.npmjs.org/pako/-/pako-0.2.9.tgz",
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@@ -8363,7 +8363,7 @@
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-          "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
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@@ -9333,7 +9333,7 @@
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@@ -10426,7 +10426,7 @@
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