diff --git a/projects/khronos.org/glslang/package.yml b/projects/khronos.org/glslang/package.yml
index acf1c897..c158385a 100644
--- a/projects/khronos.org/glslang/package.yml
+++ b/projects/khronos.org/glslang/package.yml
@@ -22,6 +22,7 @@ build:
       - -DCMAKE_VERBOSE_MAKEFILE=ON
       - -Wno-dev
       - -DBUILD_TESTING=OFF
+      - -DENABLE_OPT=OFF
     linux:
       ARGS:
         - -DCMAKE_EXE_LINKER_FLAGS=-lstdc++fs