diff --git a/acros/management/commands/clearcache.py b/acros/management/commands/clearcache.py
new file mode 100644
index 0000000..f052cb6
--- /dev/null
+++ b/acros/management/commands/clearcache.py
@@ -0,0 +1,7 @@
+from django.core.cache import cache
+from django.core.management.base import BaseCommand
+
+
+class Command(BaseCommand):
+    def handle(self, *args, **kwargs):
+        cache.clear()
diff --git a/acros/templatetags/version.py b/acros/templatetags/version.py
index a35fb21..91462b6 100644
--- a/acros/templatetags/version.py
+++ b/acros/templatetags/version.py
@@ -1,3 +1,4 @@
+from pathlib import Path
 from subprocess import run
 
 from django import template
@@ -8,9 +9,10 @@ register = template.Library()
 
 @register.simple_tag
 def commit_id():
+    current_dir = Path(__file__).parent
     commit = cache.get("commit")
     if not commit:
-        sp = run(["git", "rev-parse", "--verify", "HEAD"], capture_output=True)
+        sp = run(["git", "rev-parse", "--verify", "HEAD"], capture_output=True, cwd=current_dir)
         commit = sp.stdout.decode().strip()
         cache.set("commit", commit)
     return commit
diff --git a/deploy.sh b/deploy.sh
index 2820ea3..10fa9d6 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -11,5 +11,6 @@ git pull
 $manage scss
 $manage collectstatic --noinput
 $manage migrate
+$manage clearcache
 
 sudo systemctl reload acronomy.service