diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -3060,8 +3060,8 @@
     }
   }
 
-  // Check if -fopenmp is specified and set default version to 4.5.
-  Opts.OpenMP = Args.hasArg(options::OPT_fopenmp) ? 45 : 0;
+  // Check if -fopenmp is specified and set default version to 5.0.
+  Opts.OpenMP = Args.hasArg(options::OPT_fopenmp) ? 50 : 0;
   // Check if -fopenmp-simd is specified.
   bool IsSimdSpecified =
       Args.hasFlag(options::OPT_fopenmp_simd, options::OPT_fno_openmp_simd,