diff --git a/.azure-pipelines/pipelines.yml b/.azure-pipelines/pipelines.yml
index fdb87e4631f1..88b43026303c 100644
--- a/.azure-pipelines/pipelines.yml
+++ b/.azure-pipelines/pipelines.yml
@@ -51,7 +51,7 @@ variables:
 - name: cacheKeyBazel
   value: v0
 - name: cacheKeyBazelFiles
-  value: './WORKSPACE | **/*.bzl, !mobile/**, !envoy-docs/**'
+  value: '.bazelversion | ./WORKSPACE | **/*.bzl, !mobile/**, !envoy-docs/**'
 
 - name: authGithubSSHKeyPublic
   value: "github.com ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABgQCj7ndNxQowgcQnjshcLrqPEiiphnt+VTTvDP6mHBL9j1aNUkY4Ue1gvwnGLVlOhGeYrnZaMgRK6+PKCUXaDbC7qtbW8gIkhL7aGCsOr/C56SJMy/BCZfxd1nWzAOxSDPgVsmerOBYfNqltV9/hWCqBywINIR+5dIg6JTJ72pcEpEjcYgXkE2YEFXV1JHnsKgbLWNlhScqb2UmyRkQyytRLtL+38TGxkxCflmO+5Z8CSSNY7GidjMIZ7Q4zMjA2n1nGrlTDkzwDCsw+wqFPGQA179cnfGWOWRVruj16z6XyvxvjJwbz0wQZ75XK5tKSb7FNyeIEs4TT4jk+S4dhPeAUC5y+bDYirYgM4GC7uEnztnZyaVWQ7B381AK4Qdrwt51ZqExKbQpTUNn+EjqoTwvqNj4kqx5QUCI0ThS/YkOxJCXmPUWZbhjpCg56i+2aB6CmK2JGhn57K5mj0MNdBXA4/WnwH6XoPWJzK5Nyu2zB3nAZp+S5hpQs+p1vN1/wsjk="
diff --git a/.bazelversion b/.bazelversion
index dfda3e0b4f01..dc0208aba8e4 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-6.1.0
+6.3.1
diff --git a/mobile/tools/what_to_run.sh b/mobile/tools/what_to_run.sh
index 2ca3941818b4..939d23173b8e 100755
--- a/mobile/tools/what_to_run.sh
+++ b/mobile/tools/what_to_run.sh
@@ -5,7 +5,7 @@ set -euo pipefail
 BRANCH_NAME="$GITHUB_REF_NAME"
 BASE_COMMIT="$(git merge-base origin/main HEAD)"
 CHANGED_FILES="$(git diff "${BASE_COMMIT}" --name-only)"
-CHANGE_MATCH='^mobile/|^bazel/repository_locations\.bzl|^\.bazelrc|^\.github/workflows/mobile-*|^\.github/workflows/_env.yml'
+CHANGE_MATCH='^mobile/|^bazel/repository_locations\.bzl|^\.bazelrc|^\.bazelversion|^\.github/workflows/mobile-*|^\.github/workflows/_env.yml'
 
 # The logic in this file is roughly:
 #