diff --git a/pyproject.toml b/pyproject.toml
index c80dc13ef..b264aeca7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ version = "2026.3"
 
 [project.optional-dependencies]
 dev = [
-  "translate-toolkit==3.19.2",
+  "translate-toolkit==3.19.3",
   "weblate-language-data[lint,test,types]"
 ]
 django = [