diff --git a/extra/firefox/checksums b/extra/firefox/checksums
index 7f5290c6..5924d8e9 100644
--- a/extra/firefox/checksums
+++ b/extra/firefox/checksums
@@ -1,4 +1,4 @@
-db58dce7c51828dd2a79eaf78d52dc8b491d25996ec5d9bb3416bcb1a5709ba44a
+443fe332dbb355c836e2cdfab3337262620ad54a94e7d1750a7aa390f4aeff15ea
 6d3448a138b7e650fdc53ce0aee8dfdfce3bb75c0fcb1d5de82f3161c8e3effc91
 3e4e722acd2ab2e38a16ec23b29296318d77cc54f034d4b21d91bde085e26bc0a3
 7cdfeaee2a37a5ba75901cce28975882d638c4c2705839d66a875bbed3471da7be
diff --git a/extra/firefox/sources b/extra/firefox/sources
index 4a33bb1a..b3f3e553 100644
--- a/extra/firefox/sources
+++ b/extra/firefox/sources
@@ -1,4 +1,4 @@
-https://ftp.mozilla.org/pub/firefox/releases/149.0.2/source/firefox-149.0.2.source.tar.xz
+https://ftp.mozilla.org/pub/firefox/releases/151.0.2/source/firefox-151.0.2.source.tar.xz
 patches/fix-header-musl.patch
 patches/fix-target-detection.patch
 patches/musl-sandbox.patch
diff --git a/extra/firefox/version b/extra/firefox/version
index 76b8f891..c985573c 100644
--- a/extra/firefox/version
+++ b/extra/firefox/version
@@ -1 +1 @@
-149.0.2 1
+151.0.2 1