diff --git a/Frontend/scripts/compose-dev.sh b/Frontend/scripts/compose-dev.sh
index 32e8d6a..2cb5d68 100755
--- a/Frontend/scripts/compose-dev.sh
+++ b/Frontend/scripts/compose-dev.sh
@@ -4,7 +4,7 @@ set -euo pipefail
 cd "$(dirname "$0")/.."
 
 # Serialize dependency install when multiple containers share the same workspace.
-LOCK_FILE=/tmp/clientsflow-npm-install.lock
+LOCK_FILE=/app/Frontend/.npm-install.lock
 exec 9>"$LOCK_FILE"
 flock 9
 
diff --git a/Frontend/scripts/compose-worker.sh b/Frontend/scripts/compose-worker.sh
index 25daabc..0a8907a 100644
--- a/Frontend/scripts/compose-worker.sh
+++ b/Frontend/scripts/compose-worker.sh
@@ -4,7 +4,7 @@ set -euo pipefail
 cd "$(dirname "$0")/.."
 
 # Serialize dependency install when multiple containers share the same workspace.
-LOCK_FILE=/tmp/clientsflow-npm-install.lock
+LOCK_FILE=/app/Frontend/.npm-install.lock
 exec 9>"$LOCK_FILE"
 flock 9