diff --git a/.gitignore b/.gitignore
index 04252bc..bd79824 100644
--- a/.gitignore
+++ b/.gitignore
@@ -455,3 +455,5 @@ firefox-3.6.4.source.tar.bz2
 /firefox-langpacks-87.0-20210322.tar.xz
 /firefox-langpacks-88.0-20210419.tar.xz
 /firefox-88.0.source.tar.xz
+/firefox-88.0.1.source.tar.xz
+/firefox-langpacks-88.0.1-20210510.tar.xz
diff --git a/firefox.spec b/firefox.spec
index 373d400..d130384 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -145,13 +145,13 @@ ExcludeArch: s390x
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
-Version:        88.0
-Release:        8%{?pre_tag}%{?dist}
+Version:        88.0.1
+Release:        1%{?pre_tag}%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Source0:        https://archive.mozilla.org/pub/firefox/releases/%{version}%{?pre_version}/source/firefox-%{version}%{?pre_version}.source.tar.xz
 %if %{with langpacks}
-Source1:        firefox-langpacks-%{version}%{?pre_version}-20210419.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20210510.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source10:       firefox-mozconfig
@@ -1029,6 +1029,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Mon May 10 2021 Martin Stransky <stransky@redhat.com> - 88.0.1-1
+- Updated to latest upstream (88.0.1)
+
 * Tue May 4 2021 Martin Stransky <stransky@redhat.com> - 88.0-8
 - Added fix for mozbz#1705048.
 
diff --git a/sources b/sources
index 1de307d..41255de 100644
--- a/sources
+++ b/sources
@@ -1,4 +1,4 @@
 SHA512 (mochitest-python.tar.gz) = 7f357cb8bd93d64be5cb75819a8a813d2f8f217ff25f0df8c3190910744132405d45797b3900775a44b554f5c70cf2682809c9e7a686ca131fddcd81e98028d9
 SHA512 (cbindgen-vendor.tar.xz) = f122880b80009e5d5147b40147ba383731922e618d50312067cab0be6a0873adde5d5dbe2e6688b41c1a7e0f0ca2f1cccfa789e7b834b69f8c5445cc46ecccaf
-SHA512 (firefox-langpacks-88.0-20210419.tar.xz) = 5457d63a8d6e4c8446cd4e9689e2dc8e64d333acfaf58007e323a17ffe0d84659cea7c7919652b65bf0781763e15569f32444a7ed9a232f852210e6c1d8e89b3
-SHA512 (firefox-88.0.source.tar.xz) = f58f44f2f0d0f54eae5ab4fa439205feb8b9209b1bf2ea2ae0c9691e9e583bae2cbd4033edb5bdf4e37eda5b95fca688499bed000fe26ced8ff4bbc49347ce31
+SHA512 (firefox-88.0.1.source.tar.xz) = e2d7fc950ba49f225c83ee1d799d6318fcf16c33a3b7f40b85c49d5b7865f7e632c703e5fd227a303b56e2565d0796283ebb12d7fd1a02781dcaa45e84cea934
+SHA512 (firefox-langpacks-88.0.1-20210510.tar.xz) = 9a2818dac19d1dd728dff0ad9a24c199c3b03aacbde1985344ae3b9a16ad7519d2e74f75c3c0c447ffb031ba542c307eb847d20d346aceedf194dbb068396834