diff --git a/pyproject.toml b/pyproject.toml
index 8078772..3a760c2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,6 +24,11 @@ ilsp = "ilsp.server:main"
 where = ["."]
 include = ["ilsp*"]
 
+[tool.setuptools.package-data]
+"ilsp.bicep_lsp" = ["*.json"]
+"ilsp.yaml_lsp" = ["*.json"]
+"ilsp.python_lsp" = ["*.json"]
+
 [project.optional-dependencies]
 dev = [
     "pytest>=8.0",