diff --git a/.gitignore b/.gitignore
index 7ad4453..f722ebf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
 SOURCES/javazic-1.8-37392f2f5d59.tar.xz
 SOURCES/javazic.tar.gz
-SOURCES/tzcode2018c.tar.gz
-SOURCES/tzdata2018c.tar.gz
+SOURCES/tzcode2018d.tar.gz
+SOURCES/tzdata2018d.tar.gz
diff --git a/.tzdata.metadata b/.tzdata.metadata
index 4777b80..0bd29d6 100644
--- a/.tzdata.metadata
+++ b/.tzdata.metadata
@@ -1,4 +1,4 @@
 77292e1839952807567570118e01405b405af80c SOURCES/javazic-1.8-37392f2f5d59.tar.xz
 ee8ad215161cd132e65e2be447b279457158b540 SOURCES/javazic.tar.gz
-4db9b2d9fd9462e5f419ac8ad301729bece0fc85 SOURCES/tzcode2018c.tar.gz
-ed84663439056a9ef1b3a5cdd7715ad5b2e3c568 SOURCES/tzdata2018c.tar.gz
+98aa5e6c73f35bf99ccf82d9a361e3be577cb5ba SOURCES/tzcode2018d.tar.gz
+3b8425bff65fd61ecc6b582315fd5ba238d76bbc SOURCES/tzdata2018d.tar.gz
diff --git a/SPECS/tzdata.spec b/SPECS/tzdata.spec
index fd2a3ba..c780ffe 100644
--- a/SPECS/tzdata.spec
+++ b/SPECS/tzdata.spec
@@ -1,8 +1,8 @@
 Summary: Timezone data
 Name: tzdata
-Version: 2018c
-%define tzdata_version 2018c
-%define tzcode_version 2018c
+Version: 2018d
+%define tzdata_version 2018d
+%define tzcode_version 2018d
 Release: 1%{?dist}
 License: Public Domain
 Group: System Environment/Base
@@ -130,6 +130,11 @@ rm -rf $RPM_BUILD_ROOT
 %{_datadir}/javazi-1.8
 
 %changelog
+* Thu Mar 22 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.
+
 * Tue Jan 23 2018 Patsy Franklin <pfrankli@redhat.com> - 2018c-1
 - Rebase to tzdata-2018c
   - Revert the Irish time changes that relied on negative DST offsets.