diff --git a/www-client/icecat/Manifest b/www-client/icecat/Manifest
index 8ffe8f1..409d12b 100644
--- a/www-client/icecat/Manifest
+++ b/www-client/icecat/Manifest
@@ -1,3 +1,4 @@
 DIST firefox-78esr-patches-10.tar.xz 66396 BLAKE2B c29b723e47c58b10885b220080568aba751e1b73c58e28fce62a2da4c4c3ba8c71b63e60448d17599a3df4446dbd9f9387b4b2b75da5ed1e545591aafe8ec83c SHA512 6bb9caf1f6867b894ab315a73f8ae6f381b5c80c90539f38e786ee653c72c0df055aade854faa23f22cab2253f54abaf918a756945b76ed88f5a224ba8a8f12f
+DIST firefox-78esr-patches-12.tar.xz 67840 BLAKE2B d85abdbb54a252852badac50866cf5b5009c050ec4aa80ae2454eef2719e80f3442f5a74ec58d3c36531539042830427cd85507b708c1d5b36ea44dd0cef60b7 SHA512 4445c0880fc234c3838394483ce986e4e222260a99427069ba9c55b56fcd49a485ec916ee6aa2629f922390e92bfcd78028e30cc2e62fad9bc080ae45b26ba2e
 DIST icecat-78.10.0-gnu1.tar.bz2 513140961 BLAKE2B e008b4bebc6dbec78eecd18c14f37c155c5f883279120584c2a774e1e8fc4a6d1d24369ef1799224ec309fde6f4a8c276cf205eea5ecbfd061bea55a089e6e9b SHA512 682d194c1404b039d60c1916648d319bb428ce5fb3058a8e5989437de7a80d2184aefd69004e22e0a8e639f026df4f6d7445a2cce551d929323b6193cbedad94
 DIST icecat-78.9.0-gnu1.tar.bz2 512766353 BLAKE2B e1a7b0ef7b57a525fff75c9558f951a176bb021f835176fbab2b9600b2d8a20d02086074c7f3bfbbb0f534565c4403670dc16145241d957ebe0306fea6c2f322 SHA512 a228570d44992c160318489e7b9745b34e6429da88dd9225372f6e90243d7e7794ef98a691024d1de0a14cf555a54a27b1897d78d39e5d14d100e9938bbb3d54
diff --git a/www-client/icecat/icecat-78.10.0.ebuild b/www-client/icecat/icecat-78.10.0.ebuild
index 357d0b2..aef3e32 100644
--- a/www-client/icecat/icecat-78.10.0.ebuild
+++ b/www-client/icecat/icecat-78.10.0.ebuild
@@ -6,7 +6,7 @@
 EAPI="7"
 
 # Using Gentoos firefox patches as system libraries and lto are quite nice
-FIREFOX_PATCHSET="firefox-78esr-patches-10.tar.xz"
+FIREFOX_PATCHSET="firefox-78esr-patches-12.tar.xz"
 
 LLVM_MAX_SLOT=11