diff --git a/omeka/themes_lf/ddb/package-lock.json b/omeka/themes_lf/ddb/package-lock.json
index d8e57cf3..2078d9e5 100644
--- a/omeka/themes_lf/ddb/package-lock.json
+++ b/omeka/themes_lf/ddb/package-lock.json
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@@ -4879,7 +4879,7 @@
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@@ -5304,7 +5304,7 @@
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-          "resolved": "http://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
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@@ -5957,9 +5957,9 @@
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@@ -5993,7 +5993,7 @@
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-      "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
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@@ -6472,7 +6472,7 @@
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-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
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