diff --git a/build.include b/build.include
index 0b1ad841f..5896d614c 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="863c7382d70cc4f74108a3563a92a66b47cb121a"
 THEIA_GIT_REFS="refs\\/heads\\/master"
 THEIA_DOCKER_IMAGE_VERSION=