diff --git a/SPIRV/GLSL450Lib.h b/SPIRV/GLSL450Lib.h
index 32f45638..589508c9 100644
--- a/SPIRV/GLSL450Lib.h
+++ b/SPIRV/GLSL450Lib.h
@@ -27,6 +27,9 @@
 
 namespace GLSL_STD_450 {
 
+const int Version = 99;
+const int Revision = 1;
+
 enum Entrypoints {
     Round = 0,
     RoundEven = 1,
diff --git a/StandAlone/StandAlone.cpp b/StandAlone/StandAlone.cpp
index 2a740ed2..e914150d 100644
--- a/StandAlone/StandAlone.cpp
+++ b/StandAlone/StandAlone.cpp
@@ -790,6 +790,7 @@ int C_DECL main(int argc, char* argv[])
         std::string spirvVersion;
         glslang::GetSpirvVersion(spirvVersion);
         printf("SPIR-V Version %s\n", spirvVersion.c_str());
+        printf("GLSL.std.450 Version %d, Revision %d\n", GLSL_STD_450::Version, GLSL_STD_450::Revision);
         if (Worklist.empty())
             return ESuccess;
     }
diff --git a/glslang/Include/revision.h b/glslang/Include/revision.h
index 36496ecd..4cee7a8d 100644
--- a/glslang/Include/revision.h
+++ b/glslang/Include/revision.h
@@ -2,5 +2,5 @@
 // For the version, it uses the latest git tag followed by the number of commits.
 // For the date, it uses the current date (when then script is run).
 
-#define GLSLANG_REVISION "2.1.686"
-#define GLSLANG_DATE "02-Aug-2015"
+#define GLSLANG_REVISION "2.2.687"
+#define GLSLANG_DATE "03-Aug-2015"
diff --git a/make-revision b/make-revision
index ab5a8599..492e4375 100755
--- a/make-revision
+++ b/make-revision
@@ -1,5 +1,5 @@
 #!/bin/sh
-
+(
 echo "// This header is generated by the make-revision script."
 echo "// For the version, it uses the latest git tag followed by the number of commits."
 echo "// For the date, it uses the current date (when then script is run)."
@@ -7,3 +7,4 @@ echo "// For the date, it uses the current date (when then script is run)."
 echo
 echo \#define GLSLANG_REVISION \"`git describe --tags --abbrev=0`.`git log --oneline | wc -l`\"
 echo \#define GLSLANG_DATE \"`date +%d-%b-%Y`\"
+) > glslang/Include/revision.h