diff --git a/doc/Changelog.html b/doc/Changelog.html
index 9ff61b81..21506160 100644
--- a/doc/Changelog.html
+++ b/doc/Changelog.html
@@ -18,8 +18,9 @@ a:visited { color: #0000EE; }
 <h3>LameXP - Version History</h3><br>
 
 <a name="4.10"></a>Changes between v4.09 and v4.10 [<font color="darkred">unreleased</font>]:<br><ul>
+<li>Updated Opus libraries v1.1.x and Opus-Tools v0.1.8 to latest Git Master (2014-04-13)
 <li>Updated MediaInfo to v0.7.68 (2014-04-08), compiled with ICL 14.0 and MSVC 12.0
-<li>Updated mpg123 decoder to v1.19.0 (2014-03-08, compiled with GCC 4.8.2
+<li>Updated mpg123 decoder to v1.19.0 (2014-03-08), compiled with GCC 4.8.2
 <li>Fixed a bug that could cause the cover artwork to be lost under certain circumstances
 <li>Added command-line options to adjust the LameXP font size (see <a href="FAQ.html#c8870a0a" target="_blank">FAQ doc</a> for details)
 </ul><br>
diff --git a/res/tools/opusdec.i386.exe b/res/tools/opusdec.i386.exe
index f89c84c5..59d3dd95 100644
Binary files a/res/tools/opusdec.i386.exe and b/res/tools/opusdec.i386.exe differ
diff --git a/res/tools/opusdec.sse2.exe b/res/tools/opusdec.sse2.exe
index 7e4d5514..40556354 100644
Binary files a/res/tools/opusdec.sse2.exe and b/res/tools/opusdec.sse2.exe differ
diff --git a/res/tools/opusenc.i386.exe b/res/tools/opusenc.i386.exe
index 03e8cdee..c541a102 100644
Binary files a/res/tools/opusenc.i386.exe and b/res/tools/opusenc.i386.exe differ
diff --git a/res/tools/opusenc.sse2.exe b/res/tools/opusenc.sse2.exe
index aee245e5..e4f9566e 100644
Binary files a/res/tools/opusenc.sse2.exe and b/res/tools/opusenc.sse2.exe differ
diff --git a/src/Config.h b/src/Config.h
index f559ce8b..06db5aac 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -35,7 +35,7 @@
 #define VER_LAMEXP_MINOR_LO					0
 #define VER_LAMEXP_TYPE						Alpha
 #define VER_LAMEXP_PATCH					3
-#define VER_LAMEXP_BUILD					1534
+#define VER_LAMEXP_BUILD					1535
 #define VER_LAMEXP_CONFG					1528
 
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/src/Tools.h b/src/Tools.h
index a0d04e61..c8e9ab4e 100644
--- a/src/Tools.h
+++ b/src/Tools.h
@@ -74,10 +74,10 @@ g_lamexp_tools[] =
 	{"8b68461f38410421be30cc895e94e63184daa6f2cb20eb110b66b376b48141838a09bc920efeb1c49de79dd0770ce41b", CPU_TYPE_X86_GEN, "oggenc2.i386.exe", 287603, "Beta"},
 	{"20648f83cc637cada481143d48c437ced8423e9a0aae01dbce860cd97fb1ce4000e314f3a5395d1eafd8e154a8e74d08", CPU_TYPE_X86_SSE, "oggenc2.sse2.exe", 287603, "Beta"},
 	{"53766251d69e0695ae7d0cbc4f19aafdce90bfebde0815e2216a5b34955f151271d97d23a00be5ce280a502b718753cc", CPU_TYPE_X64_ALL, "oggenc2.x64.exe",  287603, "Beta"},
-	{"d0899fa678b1d41aa59952e6f5790b30a6dac961390cbfaa3559c302c0da74907b39a348f79014d2ede088338f60a1f1", CPU_TYPE_ALL_GEN, "opusdec.i386.exe", 20131205, "v1.1"},
-	{"1ffce4de07b81a9a07746a2eb169acfac527e1f450509997283dd2ebfc534ab7516b251fc1f81873759a8e363fd7a953", CPU_TYPE_ALL_SSE, "opusdec.sse2.exe", 20131205, "v1.1"},
-	{"bd97b7edb69a81edf8441d07a516b16d2876e22882e302e0c8e730f860ad6d070d124e06034b9b4132022889a6d13d5f", CPU_TYPE_ALL_GEN, "opusenc.i386.exe", 20131205, "v1.1"},
-	{"63beefa4c2481f1e6f260bb3ef62aadc4d838665569145697f42774aa4d343636f8e657b3fa6126155a93e71b3f44203", CPU_TYPE_ALL_SSE, "opusenc.sse2.exe", 20131205, "v1.1"},
+	{"b8f8167ee344ada98d6cca831145c0f8f97a25875f34f8ee03395a5ac5203bfefca4e472f4c8ae5b9999bd2ded83bd7e", CPU_TYPE_ALL_GEN, "opusdec.i386.exe", 20140413, "v1.1"},
+	{"262549c5f349c984e94451666419eaff4c0f5558719a729568f9131306c6455420d2551c956d8ba2edc2bce533103d8a", CPU_TYPE_ALL_SSE, "opusdec.sse2.exe", 20140413, "v1.1"},
+	{"2127979169db9a1fbfeb71fb88b59f5f85047855b25bb3e5bff6ffadc1bc31a8369cd1902ea9e9efd184a94ce1be92bd", CPU_TYPE_ALL_GEN, "opusenc.i386.exe", 20140413, "v1.1"},
+	{"b38e61a5c1d57f31349d035d3891038a0ca2c9a5a8252e3ae91ad98e23436d7c9c69cedfae26043fadf6ea215b2de5de", CPU_TYPE_ALL_SSE, "opusenc.sse2.exe", 20140413, "v1.1"},
 	{"bdfa8dec142b6327a33af6bb314d7beb924588d1b73f2ef3f46b31fa6046fe2f4e64ca78b025b7eb9290a78320e2aa57", CPU_TYPE_ALL_ALL, "refalac.exe", 56, ""},
 	{"d041b60de6c5c6e77cbad84440db57bbeb021af59dd0f7bebd3ede047d9e2ddc2a0c14179472687ba91063743d23e337", CPU_TYPE_ALL_ALL, "shorten.exe", 361, ""},
 	{"cf988bfbb53e77a1dcaefbd5c08789abb4d67cc210723f1f8ba7850f17d34ebb7d0c426b67b963e7d2290a2744865244", CPU_TYPE_ALL_ALL, "sox.exe", 1441, ""},