diff --git a/sdk_container/src/third_party/coreos-overlay/metadata/md5-cache/sys-libs/timezone-data-2018i b/sdk_container/src/third_party/coreos-overlay/metadata/md5-cache/sys-libs/timezone-data-2018i
deleted file mode 100644
index a3b4e47d2d..0000000000
--- a/sdk_container/src/third_party/coreos-overlay/metadata/md5-cache/sys-libs/timezone-data-2018i
+++ /dev/null
@@ -1,13 +0,0 @@
-DEFINED_PHASES=compile configure install prepare test
-DEPEND=nls? ( virtual/libintl )
-DESCRIPTION=Timezone data (/usr/share/zoneinfo) and utilities (tzselect/zic/zdump)
-EAPI=6
-HOMEPAGE=https://www.iana.org/time-zones
-IUSE=nls leaps_timezone elibc_FreeBSD
-KEYWORDS=alpha amd64 arm arm64 hppa ia64 m68k ~mips ppc ppc64 s390 sh sparc x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x64-solaris
-LICENSE=BSD public-domain
-RDEPEND=nls? ( virtual/libintl ) !sys-libs/glibc[vanilla(+)]
-SLOT=0
-SRC_URI=https://www.iana.org/time-zones/repository/releases/tzdata2018i.tar.gz https://www.iana.org/time-zones/repository/releases/tzcode2018i.tar.gz
-_eclasses_=desktop b1d22ac8bdd4679ab79c71aca235009d epatch a1bf4756dba418a7238f3be0cb010c54 estack 43ddf5aaffa7a8d0482df54d25a66a1f eutils 6e6c2737b59a4b982de6fb3ecefd87f8 flag-o-matic a09389deba2c0a7108b581e02c7cecbf ltprune 2729691420b6deeda2a90b1f1183fb55 multilib 1d91b03d42ab6308b5f4f6b598ed110e preserve-libs ef207dc62baddfddfd39a164d9797648 toolchain-funcs 8c7f9d80beedd16f2e5a7f612c609529 vcs-clean 2a0f74a496fa2b1552c4f3398258b7bf
-_md5_=98ebd925da30d67ca3a4c61d356f5bc3
diff --git a/sdk_container/src/third_party/coreos-overlay/metadata/md5-cache/sys-libs/timezone-data-2019c b/sdk_container/src/third_party/coreos-overlay/metadata/md5-cache/sys-libs/timezone-data-2019c
new file mode 100644
index 0000000000..32e7fd1b45
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/metadata/md5-cache/sys-libs/timezone-data-2019c
@@ -0,0 +1,13 @@
+DEFINED_PHASES=compile configure install prepare test
+DEPEND=nls? ( virtual/libintl )
+DESCRIPTION=Timezone data (/usr/share/zoneinfo) and utilities (tzselect/zic/zdump)
+EAPI=7
+HOMEPAGE=https://www.iana.org/time-zones
+IUSE=nls leaps-timezone elibc_FreeBSD
+KEYWORDS=alpha amd64 arm arm64 hppa ia64 m68k ~mips ppc ppc64 ~riscv s390 sh sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x64-solaris
+LICENSE=BSD public-domain
+RDEPEND=nls? ( virtual/libintl ) !sys-libs/glibc[vanilla(+)]
+SLOT=0
+SRC_URI=https://www.iana.org/time-zones/repository/releases/tzdata2019c.tar.gz https://www.iana.org/time-zones/repository/releases/tzcode2019c.tar.gz
+_eclasses_=eutils 6e6c2737b59a4b982de6fb3ecefd87f8 flag-o-matic a09389deba2c0a7108b581e02c7cecbf multilib 1d91b03d42ab6308b5f4f6b598ed110e toolchain-funcs 8c7f9d80beedd16f2e5a7f612c609529
+_md5_=2e5dece315ebcadd56a18c5ded2f5239
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-libs/timezone-data/Manifest b/sdk_container/src/third_party/coreos-overlay/sys-libs/timezone-data/Manifest
index 50bea910eb..038521922f 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-libs/timezone-data/Manifest
+++ b/sdk_container/src/third_party/coreos-overlay/sys-libs/timezone-data/Manifest
@@ -1,2 +1,2 @@
-DIST tzcode2018i.tar.gz 242962 BLAKE2B 682a23c324b6d8e1a0d63c6140c82ca3a24017c0972e7f915ecad5e0838f8f57743ffa2c5d9cc9744739a0e7d791ddb21947618cd11635767800ac99307c9548 SHA512 1a3d53043f20b8252f7598f547d78e7294d9e0cf1fcdd2159354d9769f824c8c8a03cef9cbb7fa579345fdb41372335117d2ef782ecd9c107dd0526e59492d9d
-DIST tzdata2018i.tar.gz 377009 BLAKE2B fa28fdac145756368d4760c418742efd558e63fd9900fc4649971b683b162df5e566c6214a79ec46b48fc65af488a7e0e95ddb6176a4f9adb5b39bc634426143 SHA512 6afcacb377842190648ed26f01abcf3db37aa2e7c63d8c509c29b4bc0078b7ff2d4e5375291b9f53498215b9e2f04936bc6145e2f651ae0be6d8166d8d336f6a
+DIST tzcode2019c.tar.gz 253560 BLAKE2B 62552e7e78ebb50c111f9a99119843fe9b5dad9e1abb5ba0f1cf0a931cf00fc49684a6b378f5ea4cb31aca8af5b0c3b697b87048ef36a445536ec2fc5b943440 SHA512 61ef36385f501c338c263081486de0d1fccd454b86f8777b0dbad4ea3f21bbde059d0a91c23e207b167ed013127d3db8b7528f0188814a8b44d1f946b19d9b8b
+DIST tzdata2019c.tar.gz 392087 BLAKE2B d7a21e57391d321b5c84e1ba2286ff0dd154c435d40015d999c8c6f2f1bea3c13d832c0752af313c9aa4dafe6a261e1e92bfd79523448fcd585188a53454e31a SHA512 2921cbb2fd44a6b8f7f2ed42c13fbae28195aa5c2eeefa70396bc97cdbaad679c6cc3c143da82cca5b0279065c02389e9af536904288c12886bf345baa8c6565
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-libs/timezone-data/metadata.xml b/sdk_container/src/third_party/coreos-overlay/sys-libs/timezone-data/metadata.xml
index df3ef61050..a74a2f3c90 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-libs/timezone-data/metadata.xml
+++ b/sdk_container/src/third_party/coreos-overlay/sys-libs/timezone-data/metadata.xml
@@ -10,7 +10,7 @@
Gentoo Toolchain Project