diff --git a/extra/firefox/checksums b/extra/firefox/checksums
index 5120110e..ce05649f 100644
--- a/extra/firefox/checksums
+++ b/extra/firefox/checksums
@@ -1,4 +1,4 @@
-7c7676a63d03300fabb0ea5eafdaf176e629e5a0445e20475ebcce8425d105ee0b
+4d8e06803da7a96967e778be85a50ffdf0c51a5d4a4817da6fbf9d9a3c123945d5
 3e4e722acd2ab2e38a16ec23b29296318d77cc54f034d4b21d91bde085e26bc0a3
 49e95cf848c09df618587bb8286bed3ed9531e24554b9ef275f070201078dba7f5
 0d706838ba8eccf898dbebb70c1bd71b2ef76f83c5c89b5af33831584e912e08b4
diff --git a/extra/firefox/sources b/extra/firefox/sources
index ae81c398..14107da8 100644
--- a/extra/firefox/sources
+++ b/extra/firefox/sources
@@ -1,4 +1,4 @@
-https://ftp.mozilla.org/pub/firefox/releases/131.0.2/source/firefox-131.0.2.source.tar.xz
+https://ftp.mozilla.org/pub/firefox/releases/131.0.3/source/firefox-131.0.3.source.tar.xz
 patches/fix-target-detection.patch
 patches/fix-vaapi.patch
 patches/gcc-14.patch
diff --git a/extra/firefox/version b/extra/firefox/version
index 7bd37056..e744701f 100644
--- a/extra/firefox/version
+++ b/extra/firefox/version
@@ -1 +1 @@
-131.0.2 1
+131.0.3 1