diff --git a/cpanfile b/cpanfile
index c0694fdf381..01bfc61dcbf 100644
--- a/cpanfile
+++ b/cpanfile
@@ -27,7 +27,7 @@ requires 'DateTime::Format::ISO8601'                  => '0.08';
 requires 'DateTime::Format::Natural'                  => '1.02';
 requires 'DateTime::Format::Pg'                       => '0.16009';
 requires 'DateTime::Locale'                           => '1.11';
-requires 'DateTime::TimeZone'                         => '1.63';
+requires 'DateTime::TimeZone'                         => '2.19';
 requires 'DBD::Pg'                                    => '3.5.3';
 requires 'DBI'                                        => '1.63';
 requires 'DBIx::Connector'                            => '0.53';
diff --git a/package.json b/package.json
index e3aaf104111..f26d2cf422f 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "merge-stream": "1.0.1",
     "moment": "2.22.2",
     "moment-strftime": "0.5.0",
-    "moment-timezone": "0.5.17",
+    "moment-timezone": "0.5.21",
     "po2json": "0.4.1",
     "q": "1.4.1",
     "querystring": "0.2.0",
diff --git a/yarn.lock b/yarn.lock
index 974b30b6b26..077692ac979 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4085,10 +4085,10 @@ moment-strftime@0.5.0:
   dependencies:
     moment "^2.11.2"
 
-moment-timezone@0.5.17:
-  version "0.5.17"
-  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.17.tgz#3c8fef32051d84c3af174d91dc52977dcb0ad7e5"
-  integrity sha512-Y/JpVEWIOA9Gho4vO15MTnW1FCmHi3ypprrkUaxsZ1TKg3uqC8q/qMBjTddkHoiwwZN3qvZSr4zJP7x9V3LpXA==
+moment-timezone@0.5.21:
+  version "0.5.21"
+  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.21.tgz#3cba247d84492174dbf71de2a9848fa13207b845"
+  integrity sha512-j96bAh4otsgj3lKydm3K7kdtA3iKf2m6MY2iSYCzCm5a1zmHo1g+aK3068dDEeocLZQIS9kU8bsdQHLqEvgW0A==
   dependencies:
     moment ">= 2.9.0"