Attempt fix OSX build

cheesema · cheesema · commit b14be4078f14 · 2021-08-07T14:35:12.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -20,6 +20,7 @@ matrix:
           - cmake
           - llvm
           - libomp
+        update: true
   - os: windows
     language: cpp
 
