diff --git a/autobuild.xml b/autobuild.xml
index 82785a5a7096ea6024b67f3b646ab3b08c512d08..b7564f4336aaf8bc498471e330bffa23ba514c89 100644
--- a/autobuild.xml
+++ b/autobuild.xml
@@ -2696,9 +2696,11 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>222a406ecb4071a9cc9635353afa337e</string>
+              <string>708d1abea051d34a8c40290bb052393e</string>
+              <key>hash_algorithm</key>
+              <string>md5</string>
               <key>url</key>
-              <string>http://automated-builds-secondlife-com.s3.amazonaws.com/ct2/54977/511775/openjpeg-1.5.1.538970-windows-538970.tar.bz2</string>
+              <string>https://pkg.alchemyviewer.org/repository/autobuild-external/openjpeg/windows/openjpeg-1.5.1.309-windows-309.tar.bz2</string>
             </map>
             <key>name</key>
             <string>windows</string>
@@ -2708,18 +2710,18 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>07cff9eafaecfbe6f44e2a05b3465cae</string>
+              <string>590b392ce88b34645f6068e4a02ea44f</string>
               <key>hash_algorithm</key>
               <string>md5</string>
               <key>url</key>
-              <string>https://pkg.alchemyviewer.org/repository/autobuild-external/tmpanext/openjpeg-1.5.1.200900057-windows64-200900057.tar.bz2</string>
+              <string>https://pkg.alchemyviewer.org/repository/autobuild-external/openjpeg/windows64/openjpeg-1.5.1.309-windows64-309.tar.bz2</string>
             </map>
             <key>name</key>
             <string>windows64</string>
           </map>
         </map>
         <key>version</key>
-        <string>1.5.1.200900057</string>
+        <string>1.5.1.309</string>
       </map>
       <key>openssl</key>
       <map>