diff --git a/pyproject.toml b/pyproject.toml
index 5247f22..bf4781b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,6 +6,7 @@ readme = "README.md"
 requires-python = ">=3.13"
 dependencies = [
     "anilistapi>=0.1.1",
+    "antlr4-python3-runtime>=4.9.3",
     "flask>=3.1.1",
     "httpx>=0.28.1",
     "httpx-retries>=0.3.2",
diff --git a/uv.lock b/uv.lock
index 9ea56d3..e57ddbb 100644
--- a/uv.lock
+++ b/uv.lock
@@ -323,6 +323,7 @@ version = "0.1.0"
 source = { virtual = "." }
 dependencies = [
     { name = "anilistapi" },
+    { name = "antlr4-python3-runtime" },
     { name = "flask" },
     { name = "httpx" },
     { name = "httpx-retries" },
@@ -340,6 +341,7 @@ dependencies = [
 [package.metadata]
 requires-dist = [
     { name = "anilistapi", specifier = ">=0.1.1" },
+    { name = "antlr4-python3-runtime", specifier = ">=4.9.3" },
     { name = "flask", specifier = ">=3.1.1" },
     { name = "httpx", specifier = ">=0.28.1" },
     { name = "httpx-retries", specifier = ">=0.3.2" },