diff --git a/frappe/boot.py b/frappe/boot.py
index c29a2118e5..5ea9235b18 100644
--- a/frappe/boot.py
+++ b/frappe/boot.py
@@ -342,7 +342,10 @@ def get_user_pages_or_reports(parent, cache=False):
 
 
 def load_translations(bootinfo):
+	from frappe.translate import get_translation_version
+
 	bootinfo["lang"] = frappe.lang
+	bootinfo["translations_version"] = get_translation_version()
 
 
 def get_user_info():
diff --git a/frappe/core/doctype/translation/translation.py b/frappe/core/doctype/translation/translation.py
index b4a55e794e..51fabeaf71 100644
--- a/frappe/core/doctype/translation/translation.py
+++ b/frappe/core/doctype/translation/translation.py
@@ -5,7 +5,7 @@ import json
 
 import frappe
 from frappe.model.document import Document
-from frappe.translate import MERGED_TRANSLATION_KEY, USER_TRANSLATION_KEY
+from frappe.translate import MERGED_TRANSLATION_KEY, USER_TRANSLATION_KEY, bump_translation_version
 from frappe.utils import is_html, strip_html_tags
 
 
@@ -46,3 +46,4 @@ class Translation(Document):
 def clear_user_translation_cache(lang):
 	frappe.cache.hdel(USER_TRANSLATION_KEY, lang)
 	frappe.cache.hdel(MERGED_TRANSLATION_KEY, lang)
+	bump_translation_version()
diff --git a/frappe/templates/base.html b/frappe/templates/base.html
index 56c114277a..187e3fc956 100644
--- a/frappe/templates/base.html
+++ b/frappe/templates/base.html
@@ -100,7 +100,7 @@
 		frappe.sys_defaults = frappe.boot.sysdefaults;
 		frappe._messages = {};
 		frappe._translations_loaded = fetch(
-			`/api/method/frappe.translate.get_boot_translations?v=${window._version_number}&lang=${frappe.boot.lang}`,
+			`/api/method/frappe.translate.get_boot_translations?v=${frappe.boot.translations_version}&lang=${frappe.boot.lang}`,
 			{credentials: "same-origin"}
 		).then(r => r.json()).then(data => {
 			frappe._messages = data.message || {};
diff --git a/frappe/translate.py b/frappe/translate.py
index 5504b54990..12bd60f8c8 100644
--- a/frappe/translate.py
+++ b/frappe/translate.py
@@ -20,6 +20,7 @@ from csv import reader, writer
 import frappe
 from frappe.query_builder import DocType, Field
 from frappe.utils import cstr, get_bench_path, is_html, strip, strip_html_tags, unique
+from frappe.utils.caching import http_cache
 
 REPORT_TRANSLATE_PATTERN = re.compile('"([^:,^"]*):')
 CSV_STRIP_WHITESPACE_PATTERN = re.compile(r"{\s?([0-9]+)\s?}")
@@ -28,6 +29,7 @@ CSV_STRIP_WHITESPACE_PATTERN = re.compile(r"{\s?([0-9]+)\s?}")
 # Cache keys
 MERGED_TRANSLATION_KEY = "merged_translations"
 USER_TRANSLATION_KEY = "lang_user_translations"
+TRANSLATION_VERSION_KEY = "translation_version"
 
 
 def get_language(lang_list: list | None = None) -> str:
@@ -133,9 +135,9 @@ def get_messages_for_boot():
 
 
 @frappe.whitelist(allow_guest=True, methods=["GET"])
+@http_cache(max_age=31536000)
 def get_boot_translations(lang: str | None = None) -> dict[str, str]:
 	"""Return all translations for the current user's language."""
-	frappe.local.response_headers["Cache-Control"] = "private, max-age=31536000"
 	return get_all_translations(lang or frappe.local.lang)
 
 
@@ -248,6 +250,24 @@ def clear_cache():
 	frappe.cache.delete_value(
 		keys=["bootinfo", USER_TRANSLATION_KEY, MERGED_TRANSLATION_KEY],
 	)
+	bump_translation_version()
+
+
+def get_translation_version() -> str:
+	"""Return the current translation version from cache."""
+	version = frappe.cache.get_value(TRANSLATION_VERSION_KEY)
+	if version is None:
+		version = 1
+		frappe.cache.set_value(TRANSLATION_VERSION_KEY, version)
+	return str(version)
+
+
+def bump_translation_version():
+	"""Increment the translation version so browser caches are invalidated."""
+	try:
+		frappe.cache.incrby(TRANSLATION_VERSION_KEY, 1)
+	except Exception:
+		frappe.cache.set_value(TRANSLATION_VERSION_KEY, 1)
 
 
 def get_messages_for_app(app, deduplicate=True):
diff --git a/frappe/www/desk.html b/frappe/www/desk.html
index b1b40c7258..b1aa7d7749 100644
--- a/frappe/www/desk.html
+++ b/frappe/www/desk.html
@@ -56,7 +56,7 @@
 			frappe.csrf_token = "{{ csrf_token }}";
 
 			frappe._translations_loaded = fetch(
-				`/api/method/frappe.translate.get_boot_translations?v=${window._version_number}&lang=${frappe.boot.lang}`,
+				`/api/method/frappe.translate.get_boot_translations?v=${frappe.boot.translations_version}&lang=${frappe.boot.lang}`,
 				{
 					credentials: "same-origin",
 					headers: {