diff --git a/backend/package.json b/backend/package.json
index 66825606b..cfe1b61ca 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -72,7 +72,7 @@
   },
   "devDependencies": {
     "@babel/cli": "~7.2.3",
-    "@babel/core": "~7.4.0",
+    "@babel/core": "~7.4.3",
     "@babel/node": "~7.2.2",
     "@babel/plugin-proposal-throw-expressions": "^7.2.0",
     "@babel/preset-env": "~7.4.3",
diff --git a/backend/yarn.lock b/backend/yarn.lock
index 129f6f8a0..e602f468c 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -38,17 +38,17 @@
   dependencies:
     "@babel/highlight" "^7.0.0"
 
-"@babel/core@^7.1.0", "@babel/core@~7.4.0":
-  version "7.4.0"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.4.0.tgz#248fd6874b7d755010bfe61f557461d4f446d9e9"
-  integrity sha512-Dzl7U0/T69DFOTwqz/FJdnOSWS57NpjNfCwMKHABr589Lg8uX1RrlBIJ7L5Dubt/xkLsx0xH5EBFzlBVes1ayA==
+"@babel/core@^7.1.0", "@babel/core@~7.4.3":
+  version "7.4.3"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.4.3.tgz#198d6d3af4567be3989550d97e068de94503074f"
+  integrity sha512-oDpASqKFlbspQfzAE7yaeTmdljSH2ADIvBlb0RwbStltTuWa0+7CCI1fYVINNv9saHPa1W7oaKeuNuKj+RQCvA==
   dependencies:
     "@babel/code-frame" "^7.0.0"
     "@babel/generator" "^7.4.0"
-    "@babel/helpers" "^7.4.0"
-    "@babel/parser" "^7.4.0"
+    "@babel/helpers" "^7.4.3"
+    "@babel/parser" "^7.4.3"
     "@babel/template" "^7.4.0"
-    "@babel/traverse" "^7.4.0"
+    "@babel/traverse" "^7.4.3"
     "@babel/types" "^7.4.0"
     convert-source-map "^1.1.0"
     debug "^4.1.0"
@@ -260,13 +260,13 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.2.0"
 
-"@babel/helpers@^7.4.0":
-  version "7.4.2"
-  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.4.2.tgz#3bdfa46a552ca77ef5a0f8551be5f0845ae989be"
-  integrity sha512-gQR1eQeroDzFBikhrCccm5Gs2xBjZ57DNjGbqTaHo911IpmSxflOQWMAHPw/TXk8L3isv7s9lYzUkexOeTQUYg==
+"@babel/helpers@^7.4.3":
+  version "7.4.3"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.4.3.tgz#7b1d354363494b31cb9a2417ae86af32b7853a3b"
+  integrity sha512-BMh7X0oZqb36CfyhvtbSmcWc3GXocfxv3yNsAEuM0l+fAqSO22rQrUpijr3oE/10jCTrB6/0b9kzmG4VetCj8Q==
   dependencies:
     "@babel/template" "^7.4.0"
-    "@babel/traverse" "^7.4.0"
+    "@babel/traverse" "^7.4.3"
     "@babel/types" "^7.4.0"
 
 "@babel/highlight@^7.0.0":
@@ -289,10 +289,10 @@
     lodash "^4.17.10"
     v8flags "^3.1.1"
 
-"@babel/parser@^7.0.0", "@babel/parser@^7.1.0", "@babel/parser@^7.4.0":
-  version "7.4.2"
-  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.4.2.tgz#b4521a400cb5a871eab3890787b4bc1326d38d91"
-  integrity sha512-9fJTDipQFvlfSVdD/JBtkiY0br9BtfvW2R8wo6CX/Ej2eMuV0gWPk1M67Mt3eggQvBqYW1FCEk8BN7WvGm/g5g==
+"@babel/parser@^7.0.0", "@babel/parser@^7.1.0", "@babel/parser@^7.4.0", "@babel/parser@^7.4.3":
+  version "7.4.3"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.4.3.tgz#eb3ac80f64aa101c907d4ce5406360fe75b7895b"
+  integrity sha512-gxpEUhTS1sGA63EGQGuA+WESPR/6tz6ng7tSHFCmaTJK/cGK8y37cBTspX+U2xCAue2IQVvF6Z0oigmjwD8YGQ==
 
 "@babel/plugin-proposal-async-generator-functions@^7.2.0":
   version "7.2.0"
@@ -720,16 +720,16 @@
     "@babel/parser" "^7.4.0"
     "@babel/types" "^7.4.0"
 
-"@babel/traverse@^7.0.0", "@babel/traverse@^7.1.0", "@babel/traverse@^7.4.0":
-  version "7.4.0"
-  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.4.0.tgz#14006967dd1d2b3494cdd650c686db9daf0ddada"
-  integrity sha512-/DtIHKfyg2bBKnIN+BItaIlEg5pjAnzHOIQe5w+rHAw/rg9g0V7T4rqPX8BJPfW11kt3koyjAnTNwCzb28Y1PA==
+"@babel/traverse@^7.0.0", "@babel/traverse@^7.1.0", "@babel/traverse@^7.4.0", "@babel/traverse@^7.4.3":
+  version "7.4.3"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.4.3.tgz#1a01f078fc575d589ff30c0f71bf3c3d9ccbad84"
+  integrity sha512-HmA01qrtaCwwJWpSKpA948cBvU5BrmviAief/b3AVw936DtcdsTexlbyzNuDnthwhOQ37xshn7hvQaEQk7ISYQ==
   dependencies:
     "@babel/code-frame" "^7.0.0"
     "@babel/generator" "^7.4.0"
     "@babel/helper-function-name" "^7.1.0"
     "@babel/helper-split-export-declaration" "^7.4.0"
-    "@babel/parser" "^7.4.0"
+    "@babel/parser" "^7.4.3"
     "@babel/types" "^7.4.0"
     debug "^4.1.0"
     globals "^11.1.0"