diff --git a/doc/Changelog.html b/doc/Changelog.html
index aadaf1b6..b943d46e 100644
--- a/doc/Changelog.html
+++ b/doc/Changelog.html
@@ -84,6 +84,8 @@
 <h2 id="lamexp-v4.13-xxxx-xx-xx" class="unnumbered">LameXP v4.13 [xxxx-xx-xx]</h2>
 <ul>
 <li>Upgraded build environment to Microsoft Visual Studio 2015<br /></li>
+<li>Updated Vorbis encoder to OggEnc v2.88 (2015-09-10), using libvorbis v1.3.5 and aoTuV b6.03_2015<br /></li>
+<li>Fixed resampling bug with Vorbis encoder, regression in OggEnc v2.87<br /></li>
 <li>Fixed creation of Monkey's Audio (APE) files, when <strong>no</strong> meta data is being embedded</li>
 </ul>
 <h2 id="lamexp-v4.12-2015-10-23" class="unnumbered">LameXP v4.12 [2015-10-23]</h2>
diff --git a/doc/Changelog.md b/doc/Changelog.md
index 13414a64..eb4e1b79 100644
--- a/doc/Changelog.md
+++ b/doc/Changelog.md
@@ -5,6 +5,8 @@
 ## LameXP v4.13 [xxxx-xx-xx] ## {-}
 
 * Upgraded build environment to Microsoft Visual Studio 2015
+* Updated Vorbis encoder to OggEnc v2.88 (2015-09-10), using libvorbis v1.3.5 and aoTuV b6.03_2015
+* Fixed resampling bug with Vorbis encoder, regression in OggEnc v2.87
 * Fixed creation of Monkey's Audio (APE) files, when **no** meta data is being embedded
 
 ## LameXP v4.12 [2015-10-23] ## {-}
diff --git a/res/tools/oggenc2.i386.exe b/res/tools/oggenc2.i386.exe
index 144d4d03..58df5f92 100644
Binary files a/res/tools/oggenc2.i386.exe and b/res/tools/oggenc2.i386.exe differ
diff --git a/res/tools/oggenc2.sse2.exe b/res/tools/oggenc2.sse2.exe
index 6e06a95f..1f9edebe 100644
Binary files a/res/tools/oggenc2.sse2.exe and b/res/tools/oggenc2.sse2.exe differ
diff --git a/res/tools/oggenc2.x64.exe b/res/tools/oggenc2.x64.exe
index f3c8a877..014c004e 100644
Binary files a/res/tools/oggenc2.x64.exe and b/res/tools/oggenc2.x64.exe differ
diff --git a/src/Config.h b/src/Config.h
index 83b4e0ff..2bc11bb0 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -35,7 +35,7 @@
 #define VER_LAMEXP_MINOR_LO					3
 #define VER_LAMEXP_TYPE						Alpha
 #define VER_LAMEXP_PATCH					1
-#define VER_LAMEXP_BUILD					1824
+#define VER_LAMEXP_BUILD					1825
 #define VER_LAMEXP_CONFG					1818
 
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/src/Tools.h b/src/Tools.h
index 5d340546..f0cc2cb7 100644
--- a/src/Tools.h
+++ b/src/Tools.h
@@ -77,9 +77,9 @@ g_lamexp_tools[] =
 	{"7e6346a057634ff07b2e1f427035324f7f02100cc996425990f87f71d767fce4c7b101588c7d944ba49cb2d7e51c9bdb", CPU_TYPE_ALL_ALL, "mpcdec.exe", 475, ""},
 	{"02f3e52fca662c97fc15ee5d5c6ded2966d716ec5e5ab958accd4761eb864cc7c62ace97198b876a78cf75ab11c555b2", CPU_TYPE_ALL_ALL, "mpg123.exe", 1224, ""},
 	{"f1f2ea5c9e5539620b706e7af68e543bf7a731afb06ccce3815ab34dad64d697e4d6ffcd187a396619b8b52efe7edf88", CPU_TYPE_ALL_ALL, "oggdec.exe", 1101, ""},
-	{"c203bb7abeed5745256ade3ddfb42af33f68814e0914627039353ed2fc4d501fac6b708360a157a48fbf5ba0dfb2c738", CPU_TYPE_X86_GEN, "oggenc2.i386.exe", 287134603, "2015"},
-	{"da01a29ea7c3b09463b477c3dd10d8887ef08238f7d3f920bfa797f6b23940e5e38ac022653ae51cf5a5d44685782601", CPU_TYPE_X86_SSE, "oggenc2.sse2.exe", 287134603, "2015"},
-	{"abef7e13d606406caded7d7669ddf46d88624a69556351d470ed9f599d6cbd7c2e99a6a56a7815b670b3a0a3b28f08d2", CPU_TYPE_X64_ALL, "oggenc2.x64.exe",  287134603, "2015"},
+	{"245181321625445ac42fce31d64bf03872e77e2d0dd3c19d6c17ca2771354f096a6040827dd6d00ffd7342c7dd26168e", CPU_TYPE_X86_GEN, "oggenc2.i386.exe", 288135603, "2015"},
+	{"512b8efcd1003a0f67220a450d6ea4466194e8fd49fc090a69b15a858db11499acbf98f984530cd5d37b4b6abdd1c6d8", CPU_TYPE_X86_SSE, "oggenc2.sse2.exe", 288135603, "2015"},
+	{"a07ef67cba5a00d335d07372baf76d4d0573b425afce71a19c1e04eaabbe3f55e60bdd40af5e428224c91df1823eda08", CPU_TYPE_X64_ALL, "oggenc2.x64.exe",  288135603, "2015"},
 	{"d9949ab989fa412bffb08c47f431b74a66223aa584beb9a6aeaa66885932c2ed251798748cbc489e984f0acce0e0053c", CPU_TYPE_ALL_GEN, "opusdec.i386.exe", 20150326, "v1.1"},
 	{"e3fc96044491bd96734dc25c8fdcb1760ee86a8fd47ad74481999ae18593d0647f0d4a45f058950b9def0903e8a30fc3", CPU_TYPE_ALL_SSE, "opusdec.sse2.exe", 20150326, "v1.1"},
 	{"ae777a525a4670df1deca0483c5087f129d8131eaf946b2cd72fa96ab65db7fb600766448d28caf2102d97b3fa26e6bc", CPU_TYPE_ALL_GEN, "opusenc.i386.exe", 20150326, "v1.1"},