diff --git a/package-lock.json b/package-lock.json
index fd5c471c7..0e0db42f4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "blockly",
-  "version": "3.20200123.0-develop",
+  "version": "3.20200402.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -469,7 +469,7 @@
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-      "resolved": "https://registry.npmjs.org/array-equal/-/array-equal-1.0.0.tgz",
+      "resolved": "http://registry.npmjs.org/array-equal/-/array-equal-1.0.0.tgz",
       "integrity": "sha1-jCpe8kcv2ep0KwTHenUJO6J1fJM="
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@@ -1680,7 +1680,7 @@
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       "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/entities/-/entities-1.0.0.tgz",
+      "resolved": "http://registry.npmjs.org/entities/-/entities-1.0.0.tgz",
       "integrity": "sha1-sph6o4ITR/zeZCsk/fyeT7cSvyY=",
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@@ -3324,7 +3324,7 @@
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-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
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@@ -3416,7 +3416,7 @@
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-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
           "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
           "dev": true,
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@@ -3428,7 +3428,7 @@
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-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
           "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
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@@ -3612,7 +3612,7 @@
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-      "resolved": "https://registry.npmjs.org/htmlparser2/-/htmlparser2-3.8.3.tgz",
+      "resolved": "http://registry.npmjs.org/htmlparser2/-/htmlparser2-3.8.3.tgz",
       "integrity": "sha1-mWwosZFRaovoZQGn15dX5ccMEGg=",
       "dev": true,
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@@ -3631,7 +3631,7 @@
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         "readable-stream": {
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-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
           "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
           "dev": true,
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@@ -3643,7 +3643,7 @@
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         "string_decoder": {
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-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
           "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
           "dev": true
         }
@@ -3800,7 +3800,7 @@
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     "is-accessor-descriptor": {
       "version": "0.1.6",
-      "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+      "resolved": "http://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
       "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
       "dev": true,
       "requires": {
@@ -3847,7 +3847,7 @@
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     "is-data-descriptor": {
       "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+      "resolved": "http://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
       "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
       "dev": true,
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@@ -5261,7 +5261,7 @@
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     "os-tmpdir": {
       "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
+      "resolved": "http://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
       "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=",
       "dev": true
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@@ -5410,7 +5410,7 @@
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     "path-is-absolute": {
       "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "resolved": "http://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
       "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
       "dev": true
     },
@@ -5555,7 +5555,7 @@
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     "pretty-hrtime": {
       "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz",
+      "resolved": "http://registry.npmjs.org/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz",
       "integrity": "sha1-t+PqQkNaTJsnWdmeDyAesZWALuE=",
       "dev": true
     },
@@ -5694,7 +5694,7 @@
     },
     "readable-stream": {
       "version": "2.3.6",
-      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
       "dev": true,
       "requires": {
@@ -6050,7 +6050,7 @@
     },
     "safe-regex": {
       "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz",
+      "resolved": "http://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz",
       "integrity": "sha1-QKNmnzsHfR6UPURinhV91IAjvy4=",
       "dev": true,
       "requires": {
@@ -6216,7 +6216,7 @@
     },
     "shelljs": {
       "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.3.0.tgz",
+      "resolved": "http://registry.npmjs.org/shelljs/-/shelljs-0.3.0.tgz",
       "integrity": "sha1-NZbmMHp4FUT1kfN9phg2DzHbV7E=",
       "dev": true
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@@ -6553,7 +6553,7 @@
         },
         "readable-stream": {
           "version": "1.1.14",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
           "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
           "dev": true,
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@@ -6565,7 +6565,7 @@
         },
         "string_decoder": {
           "version": "0.10.31",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
           "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
           "dev": true
         }
@@ -6603,7 +6603,7 @@
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     "string_decoder": {
       "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
       "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
       "dev": true,
       "requires": {
@@ -6766,7 +6766,7 @@
     },
     "through": {
       "version": "2.3.8",
-      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
+      "resolved": "http://registry.npmjs.org/through/-/through-2.3.8.tgz",
       "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=",
       "dev": true
     },