diff --git a/.config/nvim/coc-settings.json b/.config/nvim/coc-settings.json
index 60250ee..dbf51b1 100644
--- a/.config/nvim/coc-settings.json
+++ b/.config/nvim/coc-settings.json
@@ -9,6 +9,14 @@
       "filetypes": ["sh"],
       "ignoredRootPaths": ["~"]
     },
+    "ccls": {
+      "command": "ccls",
+      "filetypes": ["c", "cpp", "objc", "objcpp"],
+      "rootPatterns": [".ccls", "compile_commands.json", ".vim/", ".git/", ".hg/"],
+      "initializationOptions": {
+        "cacheDirectory": "/tmp/ccls"
+      }
+    },
     "dockerfile": {
       "command": "docker-langserver",
       "filetypes": ["dockerfile"],