diff --git a/pmodelhub-python/webapp/yarn.lock b/pmodelhub-python/webapp/yarn.lock
old mode 100755
new mode 100644
index 52d1bc0..bdc6bbf
--- a/pmodelhub-python/webapp/yarn.lock
+++ b/pmodelhub-python/webapp/yarn.lock
@@ -115,7 +115,7 @@
 
 "@ngtools/webpack@1.10.2":
   version "1.10.2"
-  resolved "http://registry.npmjs.org/@ngtools/webpack/-/webpack-1.10.2.tgz#373705fd19992b36e996203480b1d412e942c8d6"
+  resolved "https://registry.npmjs.org/@ngtools/webpack/-/webpack-1.10.2.tgz#373705fd19992b36e996203480b1d412e942c8d6"
   dependencies:
     chalk "~2.2.0"
     enhanced-resolve "^3.1.0"
@@ -1351,7 +1351,7 @@ compressible@~2.0.13:
 
 compression@^1.5.2:
   version "1.7.2"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
   dependencies:
     accepts "~1.3.4"
     bytes "3.0.0"
@@ -6553,7 +6553,7 @@ typedarray@^0.0.6:
 
 typescript@2.7.2, "typescript@>=2.6.2 <2.8":
   version "2.7.2"
-  resolved "http://registry.npmjs.org/typescript/-/typescript-2.7.2.tgz#2d615a1ef4aee4f574425cdff7026edf81919836"
+  resolved "https://registry.npmjs.org/typescript/-/typescript-2.7.2.tgz#2d615a1ef4aee4f574425cdff7026edf81919836"
 
 ua-parser-js@0.7.12:
   version "0.7.12"
@@ -7173,8 +7173,9 @@ xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
 y18n@^3.2.0, y18n@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.2.tgz#85c901bd6470ce71fc4bb723ad209b70f7f28696"
+  integrity sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==
 
 y18n@^4.0.0:
   version "4.0.0"