diff --git a/.gitignore b/.gitignore
index bbfc0cd..edecf92 100644
--- a/.gitignore
+++ b/.gitignore
@@ -206,3 +206,5 @@ noarch/
 /tzdata2022g.tar.gz
 /tzcode2023a.tar.gz
 /tzdata2023a.tar.gz
+/tzcode2023b.tar.gz
+/tzdata2023b.tar.gz
diff --git a/sources b/sources
index 58d053f..b3fcd80 100644
--- a/sources
+++ b/sources
@@ -1,4 +1,4 @@
 SHA512 (javazic.tar.gz) = c23a4a437a87d0792f23e98025520a11273fc3d12ef5dcf64af8332ed60ba9ce77eaadfd234cee92b3ca9dc08b9e4123e804745925d68ddbd0b2e1e9039e526b
 SHA512 (javazic-1.8-37392f2f5d59.tar.xz) = 2ba718dfeed53a3bd6b44e3dfe96338a609e482e4e6d942e2a7e622fc6c52606cb323ac3a59739c463e34f70fff217c0a61f5b3d3c4958eff2801b1504ee4204
-SHA512 (tzcode2023a.tar.gz) = d45fc677a0a32ae807bf421faceff675565ee15e3ff42d3a4121df10e1f7855ac16b27fbc28bd365f93c57f40c5bdf19cde88546f7090cfab7676cac0a5516a4
-SHA512 (tzdata2023a.tar.gz) = 10aadd6eba50f63f427399281065ba34cb474f6a854f8dc7a6f4f1343b1474a05f22b69b1e113ea67bb5f3f479253610a16b89d9dfa157bf0fde4c69aa3d6493
+SHA512 (tzcode2023b.tar.gz) = 94058ceabfdaa62eeff9be804a030f0eb95b4099b62fbb7e55557e8b934c8d883f488a3a6996331e24aebd147d66c19a73fb925a3dd929c630a9e11b51003b7f
+SHA512 (tzdata2023b.tar.gz) = 0f697b872ef02109d2098db12d0effc834b2ac5438921e0867f2c70987f305a47dc3eac720c344bb3757c902a7653109621e943564bdfbf00937077c311aa29b
diff --git a/tzdata.spec b/tzdata.spec
index 457b52b..b1e1623 100644
--- a/tzdata.spec
+++ b/tzdata.spec
@@ -1,8 +1,8 @@
 Summary: Timezone data
 Name: tzdata
-Version: 2023a
-%define tzdata_version 2023a
-%define tzcode_version 2023a
+Version: 2023b
+%define tzdata_version 2023b
+%define tzcode_version 2023b
 Release: 1%{?dist}
 License: Public Domain
 URL: https://www.iana.org/time-zones
@@ -151,6 +151,10 @@ install -p -m 644 tzdb.dat $RPM_BUILD_ROOT%{_datadir}/javazi-1.8/
 %{_datadir}/javazi-1.8
 
 %changelog
+* Fri Mar 24 2023 Patsy Griffin <patsy@redhat.com> - 2023b-1
+- Rebase to tzdata-2023b
+  - Lebanon will transition to DST on April 20/21, not March 25/26.
+
 * Thu Mar 23 2023 Patsy Griffin <patsy@redhat.com> - 2023a-1
 - Rebase to tzdata-2023a
  - Egypt reintroduced DST, from April through October.