diff --git a/.gitignore b/.gitignore
index e1645bf..aa65342 100644
--- a/.gitignore
+++ b/.gitignore
@@ -160,3 +160,5 @@ noarch/
 /tzdata2017c.tar.gz
 /tzcode2018c.tar.gz
 /tzdata2018c.tar.gz
+/tzcode2018d.tar.gz
+/tzdata2018d.tar.gz
diff --git a/sources b/sources
index b272d41..e64a5c0 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 (tzcode2018d.tar.gz) = e79a95e235cd384247e4112d5154f30eb7b40f28dab4872ed9153e45bf56569949d0845bc1b9ad24b7a5f9609bdadfc892959dbf0d540dbca79b18398dc4f930
+SHA512 (tzdata2018d.tar.gz) = ee961aedc34e134172523a29fb8a9358f42649d06ffcd2d8a6ad86eeb174a80af5bfc4637e9e52ecdc51fa3d01afef9fff660a69ed72904ff747a59b5634830b
diff --git a/tzdata.spec b/tzdata.spec
index c6ae368..6172723 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: 2018d
+%define tzdata_version 2018d
+%define tzcode_version 2018d
+Release: 1%{?dist}
 License: Public Domain
 Group: System Environment/Base
 URL: https://www.iana.org/time-zones
@@ -123,6 +123,12 @@ install -p -m 644 tzdb.dat $RPM_BUILD_ROOT%{_datadir}/javazi-1.8/
 %{_datadir}/javazi-1.8
 
 %changelog
+* 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