diff --git a/MozillaFirefox.changes b/MozillaFirefox.changes
index 71ca5bbb..bec46eca 100644
--- a/MozillaFirefox.changes
+++ b/MozillaFirefox.changes
@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Tue Feb  9 09:05:26 UTC 2021 - Andreas Stieger <andreas.stieger@gmx.de>
+
+- Mozilla Firefox 85.0.1
+  MFSA 2021-06 (bsc#1181848)
+  * MOZ-2021-0001 (bmo#1676636)
+    Buffer overflow in depth pitch calculations for compressed
+    textures
+  * Fixed: Avoid printing an extra blank page at the end of some
+    documents (bmo#1689789).
+  * Fixed: Fixed a browser crash in case of unexpected Cache API
+    state (bmo#1684838).
+
 -------------------------------------------------------------------
 Sun Jan 24 11:53:58 UTC 2021 - Wolfgang Rosenauer <wr@rosenauer.org>
 
diff --git a/MozillaFirefox.spec b/MozillaFirefox.spec
index ae9ed240..3bbced93 100644
--- a/MozillaFirefox.spec
+++ b/MozillaFirefox.spec
@@ -30,8 +30,8 @@
 # major 69
 # mainver %major.99
 %define major          85
-%define mainver        %major.0
-%define orig_version   85.0
+%define mainver        %major.0.1
+%define orig_version   85.0.1
 %define orig_suffix    %{nil}
 %define update_channel release
 %define branding       1
diff --git a/firefox-85.0.1.source.tar.xz b/firefox-85.0.1.source.tar.xz
new file mode 100644
index 00000000..78578f48
--- /dev/null
+++ b/firefox-85.0.1.source.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e98f586aa4d58e7418da41a2d19cd30030d072f86edd24a3fd6f769284287cee
+size 368519204
diff --git a/firefox-85.0.1.source.tar.xz.asc b/firefox-85.0.1.source.tar.xz.asc
new file mode 100644
index 00000000..2ff9da9b
--- /dev/null
+++ b/firefox-85.0.1.source.tar.xz.asc
@@ -0,0 +1,16 @@
+-----BEGIN PGP SIGNATURE-----
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diff --git a/firefox-85.0.source.tar.xz b/firefox-85.0.source.tar.xz
deleted file mode 100644
index 2e28292d..00000000
--- a/firefox-85.0.source.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5f03712642f5e77de4581d2ba3ee3e87cfa44c3d2fdd8fe0fb56ea05a57f7b50
-size 378300292
diff --git a/firefox-85.0.source.tar.xz.asc b/firefox-85.0.source.tar.xz.asc
deleted file mode 100644
index 0767e49e..00000000
--- a/firefox-85.0.source.tar.xz.asc
+++ /dev/null
@@ -1,16 +0,0 @@
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diff --git a/l10n-85.0.tar.xz b/l10n-85.0.1.tar.xz
similarity index 100%
rename from l10n-85.0.tar.xz
rename to l10n-85.0.1.tar.xz
diff --git a/tar_stamps b/tar_stamps
index 48512eef..e9054b60 100644
--- a/tar_stamps
+++ b/tar_stamps
@@ -1,11 +1,11 @@
 PRODUCT="firefox"
 CHANNEL="release"
-VERSION="85.0"
+VERSION="85.0.1"
 VERSION_SUFFIX=""
-PREV_VERSION="84.0.2"
+PREV_VERSION="85.0"
 PREV_VERSION_SUFFIX=""
 #SKIP_LOCALES="" # Uncomment to skip l10n and compare-locales-generation
 
 RELEASE_REPO="https://hg.mozilla.org/releases/mozilla-release"
-RELEASE_TAG="cd908cffd02e1563b2218d985873f958a2e2c55d"
-RELEASE_TIMESTAMP="20210118153634"
+RELEASE_TAG="30fa4718813e735a3b4a0a5135352bfe2a655a8b"
+RELEASE_TIMESTAMP="20210204182252"