diff --git a/build.include b/build.include
index bd615b439..de22a9399 100644
--- a/build.include
+++ b/build.include
@@ -14,7 +14,7 @@ IMAGE_TAG="next"
 THEIA_GITHUB_REPO="eclipse-theia/theia"
 THEIA_VERSION="master"
 THEIA_BRANCH="master"
-THEIA_COMMIT_SHA=
+THEIA_COMMIT_SHA="d9c0fabb4e657e7d1879a8067d119598cc00fb43"
 THEIA_GIT_REFS="refs\\/heads\\/master"
 THEIA_DOCKER_IMAGE_VERSION=