diff --git a/deps/Versions.make b/deps/Versions.make
index ae86096789c9e..ea5ca3cd1d4d1 100644
--- a/deps/Versions.make
+++ b/deps/Versions.make
@@ -15,4 +15,4 @@ CURL_VER = 7.56.0
 # Specify the version of the Mozilla CA Certificate Store to obtain.
 # The versions of cacert.pem are identified by the date (YYYY-MM-DD) of their changes.
 # See https://curl.haxx.se/docs/caextract.html for more details.
-MOZILLA_CACERT_VERSION := 2019-01-23
+MOZILLA_CACERT_VERSION := 2019-05-15
diff --git a/deps/checksums/cacert-2019-01-23.pem/md5 b/deps/checksums/cacert-2019-01-23.pem/md5
deleted file mode 100644
index 24c61558beb49..0000000000000
--- a/deps/checksums/cacert-2019-01-23.pem/md5
+++ /dev/null
@@ -1 +0,0 @@
-fccbe6cec7a76e3351ad32e305184787
diff --git a/deps/checksums/cacert-2019-01-23.pem/sha512 b/deps/checksums/cacert-2019-01-23.pem/sha512
deleted file mode 100644
index 94305a88a3b68..0000000000000
--- a/deps/checksums/cacert-2019-01-23.pem/sha512
+++ /dev/null
@@ -1 +0,0 @@
-01faebab60b49a30736e0c88b713999f48c99b425889f7df9bbb80eb91367a6f26f20befdf8ac72b8d77659b143b7b37f91ad7dac5fde37c1d621fc663003687
diff --git a/deps/checksums/cacert-2019-05-15.pem/md5 b/deps/checksums/cacert-2019-05-15.pem/md5
new file mode 100644
index 0000000000000..71ac52c69f597
--- /dev/null
+++ b/deps/checksums/cacert-2019-05-15.pem/md5
@@ -0,0 +1 @@
+f4a13fcdd32ca18c3e62c7a728ebb378
diff --git a/deps/checksums/cacert-2019-05-15.pem/sha512 b/deps/checksums/cacert-2019-05-15.pem/sha512
new file mode 100644
index 0000000000000..ea95dce0719bd
--- /dev/null
+++ b/deps/checksums/cacert-2019-05-15.pem/sha512
@@ -0,0 +1 @@
+6dff0130bdc7c9b211d437598d6caf1b5bb7f7268ce66713e9701890f8924c98ab5a4c0df28dac4fdfea439ad61b46861d0c5b2986ac8c8b4a47218a2b9ba02f