diff --git a/.travis.yml b/.travis.yml
index 2c4f7073..21af2a02 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,7 @@ dist: trusty
 
 # We check out glslang and SPIRV-Tools at specific revisions to avoid test output mismatches
 env:
-  - GLSLANG_REV=698bf7547a96b6feb7291e8ddc0d5d16475dbae2 SPIRV_TOOLS_REV=e28edd458b729da7bbfd51e375feb33103709e6f
+  - GLSLANG_REV=9c6f8cc29ba303b43ccf36deea6bb38a304f9b92 SPIRV_TOOLS_REV=e28edd458b729da7bbfd51e375feb33103709e6f
 
 before_script:
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; brew install python3; fi