diff --git a/L/libcxxwrap_julia/build_tarballs.jl b/L/libcxxwrap_julia/build_tarballs.jl
index 83402515ffa..3cc3c1e0246 100644
--- a/L/libcxxwrap_julia/build_tarballs.jl
+++ b/L/libcxxwrap_julia/build_tarballs.jl
@@ -59,4 +59,4 @@ dependencies = [
 
 # Build the tarballs, and possibly a `build.jl` as well.
 build_tarballs(ARGS, name, version, sources, script, platforms, products, dependencies;
-    preferred_gcc_version = v"7", julia_compat = "^$(julia_version.major).$(julia_version.minor)")
+    preferred_gcc_version = v"8", julia_compat = "^$(julia_version.major).$(julia_version.minor)")