diff --git a/doc/Changelog.html b/doc/Changelog.html
index 4eb5e1e2..09636b39 100644
--- a/doc/Changelog.html
+++ b/doc/Changelog.html
@@ -17,7 +17,7 @@ a:visited { color: #0000EE; }
 <h3>LameXP - Version History</h3><br>
 
 <a name="4.05"></a>Changes between v4.04 and v4.05 [<font color="darkred">unreleased</font>]:<br><ul>
-<li>Added support for Opus Audio Codec, based on Opus-Tools v0.1.3+ (2012-07-26) by Xiph.org/Mozilla
+<li>Added support for Opus Audio Codec, based on Opus-Tools v0.1.4 (2012-08-05) by Xiph.org/Mozilla
 <li>Added Swedish translation, thanks to Åke Engelbrektson &lt;eson57@gmail.com&gt;
 <li>Updated Qt runtime libraries to v4.8.2 (2012-05-22), compiled with MSVC 10.0
 <li>Updated mpg123 decoder to v1.14.4 (2012-07-26), compiled with GCC 4.6.1
diff --git a/res/tools/opusdec.exe b/res/tools/opusdec.exe
index 4ddb67e0..73271f7d 100644
Binary files a/res/tools/opusdec.exe and b/res/tools/opusdec.exe differ
diff --git a/res/tools/opusenc_ea7.exe b/res/tools/opusenc_ea7.exe
index 588b0d7b..e2766efa 100644
Binary files a/res/tools/opusenc_ea7.exe and b/res/tools/opusenc_ea7.exe differ
diff --git a/res/tools/opusenc_std.exe b/res/tools/opusenc_std.exe
index e2abd252..14c6b7e1 100644
Binary files a/res/tools/opusenc_std.exe and b/res/tools/opusenc_std.exe differ
diff --git a/src/Config.h b/src/Config.h
index 6e5956ba..e1cce554 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -30,7 +30,7 @@
 #define VER_LAMEXP_MINOR_LO					5
 #define VER_LAMEXP_TYPE						Beta
 #define VER_LAMEXP_PATCH					1
-#define VER_LAMEXP_BUILD					1072
+#define VER_LAMEXP_BUILD					1073
 
 ///////////////////////////////////////////////////////////////////////////////
 // Tool versions (minimum expected versions!)
diff --git a/src/Tools.h b/src/Tools.h
index 3518ad03..321c5735 100644
--- a/src/Tools.h
+++ b/src/Tools.h
@@ -73,9 +73,9 @@ g_lamexp_tools[] =
 	{"0c019e13450dc664987e21f4e5489d182be7d6d0d81efbbaaf1c78693dfe3e38e0355b93", CPU_TYPE_X86_GEN, "oggenc2.i386.exe", 287603},
 	{"693dd6f779df70a047c15c2c79350855db38d5b0cd7e529b6877b7c821cfe6addfdd50a4", CPU_TYPE_X86_SSE, "oggenc2.sse2.exe", 287603},
 	{"291cedb6a1b213330a9cb508f975ee7132a25aa26770ab91cade50109b4ffb81c9bdd09a", CPU_TYPE_X64_ALL, "oggenc2.x64.exe",  287603},
-	{"852d94154457a5cff4522ecca8d8f75bc3fc06c136b879b1b2adaefeff677b11412f804d", CPU_TYPE_ALL_ALL, "opusdec.exe",     20120726},
-	{"ab1714f947f62199c480eec9854381d283e9dde92f98a6792c93e8cfb42f4103b4a837d2", CPU_TYPE_ALL_ALL, "opusenc_ea7.exe", 20120726},
-	{"18ea6cabdbd1c38c668b1273ee0ac3f606c4f192d85c87d0f4ed3ef385eaf702c0e4905e", CPU_TYPE_ALL_ALL, "opusenc_std.exe", 20120726},
+	{"7428024beb1bbffbb837300269ec986be9a986cfd2f3506a68cc085610f52c6cebe9a65f", CPU_TYPE_ALL_ALL, "opusdec.exe",     20120805},
+	{"6ebaa1acde1027439ce555ca53c8f2d18b1a8a251a93741bdeae4310fdfe270a332b98a3", CPU_TYPE_ALL_ALL, "opusenc_ea7.exe", 20120805},
+	{"4cc34ffe7fb2de3c60aff579b377557233741b6c8abf9c8cdcc25eb7d632f1528c859d24", CPU_TYPE_ALL_ALL, "opusenc_std.exe", 20120805},
 	{"58c2b8bcff8f27bfa8fab8172b80f5da731221d072c7dba4dd3a3d7d6423490a25dc6760", CPU_TYPE_ALL_ALL, "shorten.exe", 361},
 	{"017a0f613a962af0620618019b015d5c54bb3c07cf1023e5fdb9502b652367ebbfaaebbc", CPU_TYPE_ALL_ALL, "sox.exe", 1440},
 	{"48e7f81c024cd17dac0eaeab253aad6b223e72dc80688f7576276b0563209514ff0bb9c8", CPU_TYPE_ALL_ALL, "speexdec.exe", 12},