diff --git a/.gitignore b/.gitignore
index a412d2e..8cc781c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -340,3 +340,5 @@ firefox-3.6.4.source.tar.bz2
 /firefox-66.0.3.source.tar.xz
 /firefox-langpacks-66.0.4-20190505.tar.xz
 /firefox-66.0.4.source.tar.xz
+/firefox-66.0.5.source.tar.xz
+/firefox-langpacks-66.0.5-20190508.tar.xz
diff --git a/firefox.spec b/firefox.spec
index efc0d5c..317a564 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -98,13 +98,13 @@ ExcludeArch: s390x
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
-Version:        66.0.4
+Version:        66.0.5
 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}-20190505.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20190508.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source10:       firefox-mozconfig
@@ -938,6 +938,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Wed May 8 2019 Martin Stransky <stransky@redhat.com> - 66.0.5-1
+- Updated to 66.0.5
+
 * Sun May 5 2019 Martin Stransky <stransky@redhat.com> - 66.0.4-1
 - Updated to 66.0.4
 
diff --git a/sources b/sources
index 866dbb8..3785a1b 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
 SHA512 (cbindgen-vendor.tar.xz) = b6737ca86e6223bb9e25861dae05e18469aecbeaa74d0d24719f531b01c74b9a00d9ba4e7faf6366e98cb7f0bdbeedfc337b739fff60bb3d22faabe9751f7ded
-SHA512 (firefox-langpacks-66.0.4-20190505.tar.xz) = f8bec6c39172def4d12c67be7aa6069b558d5c9b430d338124cb9d2aeb012a692669588028bf04d7ca318d7cf233a99758de893a69751af9dde21fc25aa9565c
-SHA512 (firefox-66.0.4.source.tar.xz) = 5c1ff2b98ff387af8fd66fc4e76e08bb246e5f6c81a264050ae4c2b7ff0df0afd537a90e30dbb1f78841dc57cfd031b7bead986c0acd5862713854b53f77f12b
+SHA512 (firefox-66.0.5.source.tar.xz) = 6e62e7bb95a7341471521c372506d9df276249d0c0863d059b0bd27537cddb1060c51f0ee103f79239226d34c6277f3855e1511a083bc4cc442718fc7c5db650
+SHA512 (firefox-langpacks-66.0.5-20190508.tar.xz) = 6f0ef1761366f88d2d669ae234e1fa854b7bae335abb3c578b60a6f9cba1831f453eab35e6116faab68161c1b34b6e63224add0a4d0aa8e4b40a39dfb571677d