diff --git a/extra/firefox/checksums b/extra/firefox/checksums
index cd89fcc9..e5499283 100644
--- a/extra/firefox/checksums
+++ b/extra/firefox/checksums
@@ -1,4 +1,4 @@
-b534794c493d8698dfb6c852af52b49540afdf88dc50451f42d6591de93291e8  firefox-77.0.source.tar.xz
+54256fc5f8e9c2e8129ef84773fae31fcfdaf95da6d4d03151f3939e9f749640  firefox-77.0.1.source.tar.xz
 f0611136bee505811e9ca11ca7ac188ef5323a8e2ef19cffd3edb3cf08fd791e  autoconf-2.13.tar.gz
 3dce6601b495f5b3d45b59f7d2492a340ee7e84b5beca17e48f862502bd5603f  yasm-1.3.0.tar.gz
 897f4a17750ef6dfb583b4bba3ace5e86698c6e7a2cf87ff461a13408d5d1952  no-dbus.patch
diff --git a/extra/firefox/sources b/extra/firefox/sources
index 67ff8d36..b93cea17 100644
--- a/extra/firefox/sources
+++ b/extra/firefox/sources
@@ -1,4 +1,4 @@
-https://ftp.mozilla.org/pub/firefox/releases/77.0/source/firefox-77.0.source.tar.xz
+https://ftp.mozilla.org/pub/firefox/releases/77.0.1/source/firefox-77.0.1.source.tar.xz
 https://ftp.gnu.org/gnu/autoconf/autoconf-2.13.tar.gz autoconf2.13/
 https://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gz yasm/
 patches/no-dbus.patch
diff --git a/extra/firefox/version b/extra/firefox/version
index c0ca7d7d..a61d632a 100644
--- a/extra/firefox/version
+++ b/extra/firefox/version
@@ -1 +1 @@
-77.0 1
+77.0.1 1