diff --git a/bootstrap4/popper.js-master/popper.js-master/yarn.lock b/bootstrap4/popper.js-master/popper.js-master/yarn.lock
index ac45107..2881b97 100644
--- a/bootstrap4/popper.js-master/popper.js-master/yarn.lock
+++ b/bootstrap4/popper.js-master/popper.js-master/yarn.lock
@@ -1937,7 +1937,7 @@ dateformat@^1.0.11, dateformat@^1.0.12, dateformat@^1.0.6:
     get-stdin "^4.0.1"
     meow "^3.3.0"
 
-debug@2, debug@2.6.9, debug@^2.2.0, debug@^2.3.3, debug@^2.6.8, debug@^2.6.9:
+debug@2, debug@2.6.9, debug@^2.2.0, debug@^2.3.3, debug@^2.6.8:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
   dependencies:
@@ -2357,9 +2357,9 @@ event-stream@*:
     stream-combiner "~0.0.4"
     through "~2.3.1"
 
-eventemitter3@1.x.x:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.2.0.tgz#1c86991d816ad1e504750e73874224ecf3bec508"
+eventemitter3@^4.0.0:
+  version "4.0.7"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.7.tgz#2de9b68f6528d5644ef5c59526a1b4a07306169f"
 
 execa@^0.7.0:
   version "0.7.0"
@@ -2610,11 +2610,9 @@ follow-redirects@1.0.0:
   dependencies:
     debug "^2.2.0"
 
-follow-redirects@^1.2.3:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.2.5.tgz#ffd3e14cbdd5eaa72f61b6368c1f68516c2a26cc"
-  dependencies:
-    debug "^2.6.9"
+follow-redirects@^1.0.0, follow-redirects@^1.2.3:
+  version "1.13.0"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.13.0.tgz#b42e8d93a2a7eea5ed88633676d6597bc8e384db"
 
 for-in@^0.1.3:
   version "0.1.8"
@@ -3200,11 +3198,12 @@ http-errors@1.6.2, http-errors@~1.6.2:
     statuses ">= 1.3.1 < 2"
 
 http-proxy@^1.13.0:
-  version "1.16.2"
-  resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.16.2.tgz#06dff292952bf64dbe8471fa9df73066d4f37742"
+  version "1.18.1"
+  resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.18.1.tgz#401541f0534884bbf95260334e72f88ee3976549"
   dependencies:
-    eventemitter3 "1.x.x"
-    requires-port "1.x.x"
+    eventemitter3 "^4.0.0"
+    follow-redirects "^1.0.0"
+    requires-port "^1.0.0"
 
 http-signature@~1.1.0:
   version "1.1.1"
@@ -5521,7 +5520,7 @@ require-uncached@^1.0.3:
     caller-path "^0.1.0"
     resolve-from "^1.0.0"
 
-requires-port@1.x.x:
+requires-port@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"