diff --git a/.SRCINFO b/.SRCINFO
index a6a91a11bfa8..65408505adca 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = mcpatcher
 	pkgdesc = Minecraft patcher to fix textures with higher than default resolution
-	pkgver = 4.3.1
+	pkgver = 4.3.1_01
 	pkgrel = 1
 	url = https://bitbucket.org/prupe/mcpatcher
 	changelog = ChangeLog
@@ -8,11 +8,11 @@ pkgbase = mcpatcher
 	license = Public Domain
 	depends = java-runtime
 	optdepends = minecraft: the game itself
-	noextract = mcpatcher-4.3.1.jar
-	source = https://bitbucket.org/prupe/mcpatcher/downloads/mcpatcher-4.3.1.jar
+	noextract = mcpatcher-4.3.1_01.jar
+	source = https://bitbucket.org/prupe/mcpatcher/downloads/mcpatcher-4.3.1_01.jar
 	source = mcpatcher
 	source = mcpatcher.desktop
-	md5sums = c52b5b8f8ddfc6b5160a4781b16565d4
+	md5sums = 0c759deb6cf2cd798ece99834f2b399c
 	md5sums = 9ec7aafefe59c2864b70f61d8661113d
 	md5sums = 5bcaba0e9fbc3a22159c17a64c7688fd
 
diff --git a/ChangeLog b/ChangeLog
index c111d50f8d92..4dd102982404 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2014-01-02 Frederik "Freso" S. Olesen <archlinux@freso.dk>
+
+	* 4.3.1_01-1
+	Version bump.
+
+	Upstream changelog:
+	- Do not render top and bottom edges between connected glass panes.
+	- Use new URL for downloading libraries.
+	- Use gson 2.2.4 for older Minecraft versions.
+	- Handle newer Forge versions named 'forge', not 'minecraftforge'.
+
 2013-12-07 Frederik "Freso" S. Olesen <archlinux@freso.dk>
 
 	* 4.3.1-1
diff --git a/PKGBUILD b/PKGBUILD
index 3d0ac8a237fe..cdb639b879e3 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -2,8 +2,8 @@
 # Maintainer: Frederik "Freso" S. Olesen <archlinux@freso.dk>
 
 pkgname=mcpatcher
-pkgver='4.3.1'
-_jarfile="$pkgname-${pkgver//_/-}.jar"
+pkgver='4.3.1_01'
+_jarfile="$pkgname-$pkgver.jar"
 pkgrel=1
 pkgdesc='Minecraft patcher to fix textures with higher than default resolution'
 arch=('any')
@@ -16,7 +16,7 @@ changelog=ChangeLog
 source=("https://bitbucket.org/prupe/mcpatcher/downloads/$_jarfile"
         mcpatcher
         mcpatcher.desktop)
-md5sums=('c52b5b8f8ddfc6b5160a4781b16565d4'
+md5sums=('0c759deb6cf2cd798ece99834f2b399c'
          '9ec7aafefe59c2864b70f61d8661113d'
          '5bcaba0e9fbc3a22159c17a64c7688fd')