diff --git a/Scripts/UpdateCommon.py b/Scripts/UpdateCommon.py
index 0cd40d7..e3d63ce 100644
--- a/Scripts/UpdateCommon.py
+++ b/Scripts/UpdateCommon.py
@@ -38,7 +38,7 @@
 
 for key in GitHubMapping:
     # convert targetPath to OS specific format
-    tmppath = os.path.join(scriptRoot, "..", GitHubMapping[key])
+    tmppath = os.path.join(scriptRoot, "..", GitHubMapping[key][0])
     # clean up path, collapsing any ../ and converting / to \ for Windows
     targetPath = os.path.normpath(tmppath)
     if os.path.isdir(targetPath):
@@ -51,6 +51,8 @@
         commandArgs = ["git", "clone", gitamdRoot, targetPath]
         p = subprocess.Popen( commandArgs )
         p.wait()
+        p = subprocess.Popen(["git","reset","--hard",GitHubMapping[key][1]], cwd=targetPath)
+        p.wait()
 
 def downloadandunzip(key, value):
     # convert targetPath to OS specific format
diff --git a/Scripts/UpdateCommonMap.py b/Scripts/UpdateCommonMap.py
index 526027b..f43bb02 100644
--- a/Scripts/UpdateCommonMap.py
+++ b/Scripts/UpdateCommonMap.py
@@ -6,32 +6,32 @@
 # GitHub GPUOpen-Tools projects map
 
 GitHubMapping = {
-    "common-lib-amd-ADL"                     : "../Common/Lib/AMD/ADL",
-    "common-lib-AMD-ACL"                     : "../Common/Lib/AMD/ACL",
-    "common-lib-amd-APPSDK-3.0"              : "../Common/Lib/AMD/APPSDK",
-    "common-lib-AMD-CAL-8.95"                : "../Common/Lib/AMD/CAL",
-    "common-lib-ext-Boost-1.59"              : "../Common/Lib/Ext/Boost",
-    "common-lib-ext-mhook"                   : "../Common/Lib/Ext/mhook",
-    "common-lib-ext-tinyxml-2.6.2"           : "../Common/Lib/Ext/tinyxml",
-    "common-lib-ext-utf8cpp"                 : "../Common/Lib/Ext/utf8cpp",
-    "common-lib-ext-zlib-1.2.8"              : "../Common/Lib/Ext/zlib",
-    "common-src-ACLModuleManager"            : "../Common/Src/ACLModuleManager",
-    "common-src-ADLUtil"                     : "../Common/Src/ADLUtil",
-    "common-src-AMDTActivityLogger"          : "../Common/Src/AMDTActivityLogger",
-    "common-src-AMDTApplication"             : "../Common/Src/AMDTApplication",
-    "common-src-AMDTBaseTools"               : "../Common/Src/AMDTBaseTools",
-    "common-src-AMDTInterceptor"             : "../Common/Src/AMDTInterceptor",
-    "common-src-AMDTOSWrappers"              : "../Common/Src/AMDTOSWrappers",
-    "common-src-CElf"                        : "../Common/Src/CElf",
-    "common-src-DeviceInfo"                  : "../Common/Src/DeviceInfo",
-    "common-src-DynamicLibraryModule"        : "../Common/Src/DynamicLibraryModule",
-    "common-src-GPUPerfAPIUtils"             : "../Common/Src/GPUPerfAPIUtils",
-    "common-src-HSAUtils"                    : "../Common/Src/HSAUtils",
-    "common-src-Miniz"                       : "../Common/Src/Miniz",
-    "common-src-SCons"                       : "../Common/Src/SCons",
-    "common-src-TSingleton"                  : "../Common/Src/TSingleton",
-    "common-src-Vsprops"                     : "../Common/Src/Vsprops",
-    "common-src-VersionInfo"                 : "../Common/Src/VersionInfo",
+    "common-lib-amd-ADL"                     : ["../Common/Lib/AMD/ADL", "99cb60efe22718c1e12415b6b381facfdc7c7979"],
+    "common-lib-AMD-ACL"                     : ["../Common/Lib/AMD/ACL", "db0c78be0d38e856ba2219da124b271975c7b5ea"],
+    "common-lib-amd-APPSDK-3.0"              : ["../Common/Lib/AMD/APPSDK", "1a091274ef40a85a5d973ef9d5b687bb970130f2"],
+    "common-lib-AMD-CAL-8.95"                : ["../Common/Lib/AMD/CAL", "d31406a20330deeefa3acb8191e2b865b0af45eb"],
+    "common-lib-ext-Boost-1.59"              : ["../Common/Lib/Ext/Boost", "d50f858fdff41c549595bb1c84d236206d117772"],
+    "common-lib-ext-mhook"                   : ["../Common/Lib/Ext/mhook", "9a595f45dfc39dcaede3b44a5af30e85e77b770e"],
+    "common-lib-ext-tinyxml-2.6.2"           : ["../Common/Lib/Ext/tinyxml", "0ed29c3884888228dc923a4a176098eedf0a6277"],
+    "common-lib-ext-utf8cpp"                 : ["../Common/Lib/Ext/utf8cpp", "53048f8f7eb69f315a957637d0422845c6652fe5"],
+    "common-lib-ext-zlib-1.2.8"              : ["../Common/Lib/Ext/zlib", "59eddd52fe972df9e09c903bfe99ece3262f9f99"],
+    "common-src-ACLModuleManager"            : ["../Common/Src/ACLModuleManager", "26bcd9a586f60eabf45f5962708921a49859a764"],
+    "common-src-ADLUtil"                     : ["../Common/Src/ADLUtil", "fa6949339b23529b30cf186188039adcb63ec596"],
+    "common-src-AMDTActivityLogger"          : ["../Common/Src/AMDTActivityLogger", "c799c5d32a0fc4f3a36fe2b31a377e34d4323fb5"],
+    "common-src-AMDTApplication"             : ["../Common/Src/AMDTApplication", "c7fec873a2f804980f38f44fed909afd8600c832"],
+    "common-src-AMDTBaseTools"               : ["../Common/Src/AMDTBaseTools", "853f0450c4f1b8367baae81fdb603c0f2cc84a19"],
+    "common-src-AMDTInterceptor"             : ["../Common/Src/AMDTInterceptor", "789ab6ccfa4b603d1da25ab0a77be5361813cba9"],
+    "common-src-AMDTOSWrappers"              : ["../Common/Src/AMDTOSWrappers", "7e83f9ee4959ea427cbe0d57a8c794e152822ead"],
+    "common-src-CElf"                        : ["../Common/Src/CElf", "24477296cdc5ecddc4c62ebe1b0af6346ec4b19a"],
+    "common-src-DeviceInfo"                  : ["../Common/Src/DeviceInfo", "9889ad75f5d79a2453e541d76302d13858d11655"],
+    "common-src-DynamicLibraryModule"        : ["../Common/Src/DynamicLibraryModule", "c331489a4167aca1f6d2e9a907ab7758c0b9bd90"],
+    "common-src-GPUPerfAPIUtils"             : ["../Common/Src/GPUPerfAPIUtils", "d10457ebd4846a84820f83a7dd3e2e11ec1be081"],
+    "common-src-HSAUtils"                    : ["../Common/Src/HSAUtils", "370768ab279768efc51520da98ea71148a90b27a"],
+    "common-src-Miniz"                       : ["../Common/Src/Miniz", "a958cde31565769681aa3d7934c3d38c52940f4e"],
+    "common-src-SCons"                       : ["../Common/Src/SCons", "7bea261af8ef079ee5a050fbce820f668d537b30"],
+    "common-src-TSingleton"                  : ["../Common/Src/TSingleton", "2a338d5b7e649ffba0225772c521726c18b13fff"],
+    "common-src-Vsprops"                     : ["../Common/Src/Vsprops", "5a434b269727ed1f36c3c31aa56a0ca06502b198"],
+    "common-src-VersionInfo"                 : ["../Common/Src/VersionInfo", "e82cca94cc287a4ac53dc6e82f3525e31de80e05"],
 }
 
 downloadMappingWin = {