diff --git a/.gitignore b/.gitignore
index 413c6cc..145bfb3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -304,3 +304,5 @@
 /firefox-langpacks-102.14.0esr-20230725.tar.xz
 /firefox-102.15.0esr.processed-source.tar.xz
 /firefox-langpacks-102.15.0esr-20230824.tar.xz
+/firefox-102.15.1esr.processed-source.tar.xz
+/firefox-langpacks-102.15.1esr-20230913.tar.xz
diff --git a/firefox.spec b/firefox.spec
index 61a999b..e5ee4e0 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -218,7 +218,7 @@ end}
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
-Version:        102.15.0
+Version:        102.15.1
 Release:        1%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
@@ -249,7 +249,7 @@ ExcludeArch:    aarch64 s390 ppc
 # Link to original tarball: https://archive.mozilla.org/pub/firefox/releases/%{version}%{?pre_version}/source/firefox-%{version}%{?pre_version}.source.tar.xz
 Source0:        firefox-%{version}%{?pre_version}%{?buildnum}.processed-source.tar.xz
 %if %{with langpacks}
-Source1:        firefox-langpacks-%{version}%{?pre_version}-20230824.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20230913.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source3:        process-official-tarball
@@ -1473,6 +1473,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Wed Sep 13 2023 Eike Rathke <erack@redhat.com> - 102.15.1-1
+- Update to 102.15.1
+
 * Thu Aug 24 2023 Eike Rathke <erack@redhat.com> - 102.15.0-1
 - Update to 102.15.0 build2
 
diff --git a/sources b/sources
index 9210d41..127d29a 100644
--- a/sources
+++ b/sources
@@ -1,5 +1,5 @@
 SHA512 (cbindgen-vendor.tar.xz) = ba8967007c7545fcf62a392e745b19188d883428adb5e9abd102cc6ad5d50891e9d38a7a20ee7a91e99d6340e9490a6b8bcc4c7175f3bb3a698841b816966385
 SHA512 (nspr-4.34.0-3.el8_1.src.rpm) = fe4715694c297cd8cefa577946358a90103bde73e78a3fdf13d202a3791736e8a48fbece09ee3d15f6d81ae051e26d96400b03bb6bf8630715746c5e1a643543
 SHA512 (nss-3.79.0-11.el8_1.src.rpm) = c4516e7917a45ac2d401700b6a7e23d5942d62fe2307cf130c526eea5a924516f82c2d2426b919c89004c4466c78061ea050721c1889a01fcd436cb562d4b1bd
-SHA512 (firefox-102.15.0esr.processed-source.tar.xz) = 5fd80175ef479fdf1030a9c219de81aee23ab57042b3747bd32df3a4102b7eac582d9ec542b8c3cc7a61ef9c20c0c9df9cbfe262ef7a3059cacd70ee1c6d6640
-SHA512 (firefox-langpacks-102.15.0esr-20230824.tar.xz) = 201815b26732340ff20f3b2c2aac498043da15213616daa81bd4502f7ef6f82d46e9b93bd04a8b1d5d5474a248ddabfc8b82bd64becd3027f6689560f8369f82
+SHA512 (firefox-102.15.1esr.processed-source.tar.xz) = d56c5dadde54876c7b10d86e5ae6f603b1089a942685d5b5638e560c25f559c975bc02581274d034b35ffbcc47c9b9336f39c587c41f49c5af9bc205e48a6ec1
+SHA512 (firefox-langpacks-102.15.1esr-20230913.tar.xz) = 87427db83befdde67921d127dff44fc0dabfa317d951d5cf42e41d0537f10c8c0bec707a471c2d2d91eb1b4218252ea28fb5fc14b2c5413b1092556f3be8b022