diff --git a/after/plugin/coc.vim b/after/plugin/coc.vim
new file mode 100644
index 0000000..6fbd5ec
--- /dev/null
+++ b/after/plugin/coc.vim
@@ -0,0 +1,18 @@
+map <silent> gd <Plug>(coc-definition)
+
+map <silent> <M-=> :call CocAction("doHover")<cr>
+map <silent> <Leader>t <Plug>(coc-type-definition)
+map <silent> <Leader>u <Plug>(coc-references)
+map <silent> <Leader>r <Plug>(coc-rename)
+map <silent> <Leader>q <Plug>(coc-quickfix)
+
+map <silent> <Leader>F <Plug>(coc-format)
+map <silent> <Leader>f <Plug>(coc-format-selected)
+vmap <silent> <Leader>f <Plug>(coc-format-selected)
+
+map <silent> <M-a> <Plug>(coc-codeaction)
+vmap <silent> <M-a> <Plug>(coc-codeaction-selected)
+
+omap <silent> af <Plug>(coc-funcobj-a)
+omap <silent> if <Plug>(coc-funcobj-i)
+
diff --git a/coc-settings.json b/coc-settings.json
new file mode 100644
index 0000000..17fd15c
--- /dev/null
+++ b/coc-settings.json
@@ -0,0 +1,9 @@
+{
+    "languageserver": {
+        "dotty": {
+          "command": "run-dotty-lsp",
+            "rootPatterns": ["build.sbt"],
+            "filetypes": ["scala", "sbt"]
+        }
+    }
+}