diff --git a/tabby-core/package.json b/tabby-core/package.json
index 309178516..b19c615af 100644
--- a/tabby-core/package.json
+++ b/tabby-core/package.json
@@ -22,7 +22,7 @@
     "color": "^4.2.3",
     "deepmerge": "^4.1.1",
     "fuzzy-search": "^3.2.1",
-    "js-yaml": "^4.0.0",
+    "js-yaml": "^5.2.3",
     "messageformat": "^2.3.0",
     "mixpanel": "^0.17.0",
     "ngx-translate-messageformat-compiler": "^4.11.0",
diff --git a/tabby-core/yarn.lock b/tabby-core/yarn.lock
index 6c23071b2..7e0ad8061 100644
--- a/tabby-core/yarn.lock
+++ b/tabby-core/yarn.lock
@@ -112,10 +112,10 @@ is-arrayish@^0.3.1:
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.3.2.tgz#4574a2ae56f7ab206896fb431eaeed066fdf8f03"
   integrity sha512-eVRqCvVlZbuw3GrM63ovNSNAeA1K16kaR/LRY/92w0zxQ5/1YzwblUX652i4Xs9RwAGjW9d9y6X88t8OaAJfWQ==
 
-js-yaml@^4.0.0:
-  version "4.3.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.3.0.tgz#d1900572a7f7cf0b5f540c83673e60bad3436592"
-  integrity sha512-1td788aAnnZ5qs7V2QIRl1owjtYpbKt749Y3xauqQgwIIGF/xXWz1wMTEBx5O3LK3lXLVuqXPdPxj2BoFHaW9Q==
+js-yaml@^5.2.3:
+  version "5.2.3"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-5.2.3.tgz#0942ae8f507e22eb0e54624871789cd477106e54"
+  integrity sha512-n+mUVyUX5bVv7G/G2zyIHOhdxfuU1dY2NOFzTQUWiMUbFss8b57NFlgCCaggU78wSw5KVS9cllzeLyzyR+n5nw==
   dependencies:
     argparse "^2.0.1"