diff --git a/.gitignore b/.gitignore
index e1645bf..becd2c5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -160,3 +160,13 @@ noarch/
 /tzdata2017c.tar.gz
 /tzcode2018c.tar.gz
 /tzdata2018c.tar.gz
+/tzcode2018d.tar.gz
+/tzdata2018d.tar.gz
+/tzcode2018e.tar.gz
+/tzdata2018e.tar.gz
+/tzcode2018g.tar.gz
+/tzdata2018g.tar.gz
+/tzdata2018i.tar.gz
+/tzcode2018i.tar.gz
+/tzcode2019a.tar.gz
+/tzdata2019a.tar.gz
diff --git a/sources b/sources
index b272d41..4a48bae 100644
--- a/sources
+++ b/sources
@@ -1,4 +1,4 @@
 SHA512 (javazic.tar.gz) = c23a4a437a87d0792f23e98025520a11273fc3d12ef5dcf64af8332ed60ba9ce77eaadfd234cee92b3ca9dc08b9e4123e804745925d68ddbd0b2e1e9039e526b
 SHA512 (javazic-1.8-37392f2f5d59.tar.xz) = 2ba718dfeed53a3bd6b44e3dfe96338a609e482e4e6d942e2a7e622fc6c52606cb323ac3a59739c463e34f70fff217c0a61f5b3d3c4958eff2801b1504ee4204
-SHA512 (tzcode2018c.tar.gz) = 21988e876479e38661d41ea4c7b5218ba14b979739d7ba8d49a2d343bb9f37c654056ab21c046a6652715f012e4ca33c4aa109b1ec3ac5d0244dd3a7ea9ed6d2
-SHA512 (tzdata2018c.tar.gz) = 0575c87c9ffcde7b7f62b0df928d8a0e8d93f832b5ef7227b3d8431686f851f1fd5372c7e768f2979830352433b31df7f3979a00c28ea3973a3a0987ebbfb835
+SHA512 (tzcode2019a.tar.gz) = 7cc76ce6be4a67c3e1b2222cb632d2de9dabb76899793a938f87a1d4bb20e462cabdae9e3b986aaabaa400795370510095d236dbad5aff4c192d0887f0ecedf5
+SHA512 (tzdata2019a.tar.gz) = d8eb5b2b68abee08bd2b0d2134bce85b5c0aee85168e9697a607604ed5be7d1539ac60fda9b37e0c9c793ef6251978bc250563a0af59497fde775499964bb5aa
diff --git a/tzdata.spec b/tzdata.spec
index c6ae368..b63b4b6 100644
--- a/tzdata.spec
+++ b/tzdata.spec
@@ -1,9 +1,9 @@
 Summary: Timezone data
 Name: tzdata
-Version: 2018c
-%define tzdata_version 2018c
-%define tzcode_version 2018c
-Release: 2%{?dist}
+Version: 2019a
+%define tzdata_version 2019a
+%define tzcode_version 2019a
+Release: 1%{?dist}
 License: Public Domain
 Group: System Environment/Base
 URL: https://www.iana.org/time-zones
@@ -39,8 +39,26 @@ This package contains timezone information for use by Java runtimes.
 %prep
 %setup -q -c -a 1
 
+# Currently tzdata is providing the "rearguard" data set for maximum
+# compatibility with existing Red Hat Enterprise Linux installs. Future releases of
+# Red Hat Enterprise Linux will be transitioning to the default or "vanguard" tzdata
+# data set.
+#
+# The "rearguard" and "vanguard" data sets are defined by the upstream tzdata project
+# and represent approximately the same data, with "vanguard" optimized for newer time
+# zone data tooling, and "rearguard" optimized for compatibility with existing tooling.
+# For example "vanguard" implements support for negative DST offsets, while "rearguard"
+# supports the traditional format.
+
+# Create the reargard data files.
+make VERSION=%{version} tzdata%{version}-rearguard.tar.gz
+tar zxf tzdata%{version}-rearguard.tar.gz
+
 %patch002 -p1
 
+# Run make to create the tzdata.zi file
+make DATAFORM=rearguard VERSION=%{version} tzdata.zi
+
 mkdir javazic
 tar zxf %{SOURCE3} -C javazic
 pushd javazic
@@ -123,6 +141,49 @@ install -p -m 644 tzdb.dat $RPM_BUILD_ROOT%{_datadir}/javazi-1.8/
 %{_datadir}/javazi-1.8
 
 %changelog
+* Fri Mar 29 2019 Patsy Griffin Franklin <patsy@redhat.com> - 2019a-1
+- Rebase to tzdata-2019a
+  - Palestine will start DST on 2019-03-30, rather than 2019-03-23 as
+    previously predicted.
+  - Metlakatla rejoined Alaska time on 2019-01-20, ending its observances
+    of Pacific standard time.
+
+* Mon Jan 14 2019 Patsy Griffin Franklin <pfrankli@redhat.com> - 2018i-1
+- Rebase to tzdata-2018i (includes changes from tzdata-2018h)
+  - São Tomé and Príncipe changed from UTC+01 to UTC+00 on 2019-01-01.
+  - Qyzylorda, Kazakhstan changed from UTC+06 to UTC+05 on 2018-12-21.
+  - Created a new zone Asia/Qostanay since Qostanay, Kazakhstan didn't
+    transition with the Qyzylorda change.
+  - Metlakatla, Alaska will observe PST for this winter only.
+  - Predict that Morocco will continue to adjust clocks around Ramadan.
+  - Also include predictions for Iran from 2038 through 2090.
+
+* Sun Oct 28 2018 Patsy Griffin Franklin <pfrankli@redhat.com> - 2018g-1
+- Rebase to tzdata-2018g
+  Includes changes for tzdata-2018f.
+  - Volgograd will change from UTC+03 to UTC+04 on 2018-10-28 at 02:00.
+  - Fiji will end DST on 2019-01-13 instead of the 2019-01-20 as
+    previously predicted.
+  - Most of Chile will end DST on the first Saturday in April at 24:00
+    and restart DST on the first Saturday in September at 24:00.
+  - Morocco will change from UTC+00/+01 to permanent +01 effective 2018-10-27.
+
+* Wed May 16 2018 Patsy Franklin <pfrankli@redhat.com> - 2018e-1
+- Rebase to tzdata-2018e
+  - North Korea changed from UTC+8:30 to UTC+9 on May 5, 2018.
+  - In this update, the upstream project now defaults to using
+    the "vanguard" data implementation which includes negative DST offsets.
+    However, we are continuing to provide the "rearguard" format
+    for data which does not use negative DST offsets to provide
+    better compatibility with existing tools.  We intend to transition
+    to the "vanguard" data implementation in the future.
+
+* Wed Mar 28 2018 Patsy Franklin <pfrankli@redhat.com> - 2018d-1
+- Rebase to tzdata-2018d:
+  - DST for Asia/Gaza and Asia/Hebron has changed 
+    from March 31 to March 24.
+  - Antarctica/Casey station changed to UTC+8 on March 11.
+
 * Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 2018c-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild