diff --git a/lib/livebook/runtime/definitions.ex b/lib/livebook/runtime/definitions.ex
index ec619c781..bac0b7a93 100644
--- a/lib/livebook/runtime/definitions.ex
+++ b/lib/livebook/runtime/definitions.ex
@@ -65,6 +65,11 @@ defmodule Livebook.Runtime.Definitions do
     dependency: %{dep: {:flame_k8s_backend, "~> 0.5"}, config: []}
   }
 
+  explorer = %{
+    name: "explorer",
+    dependency: %{dep: {:explorer, "~> 0.10.0"}, config: []}
+  }
+
   jason = %{
     name: "jason",
     dependency: %{dep: {:jason, "~> 1.4"}, config: []}
@@ -100,7 +105,19 @@ defmodule Livebook.Runtime.Definitions do
             %{
               name: "req_athena",
               dependency: %{dep: {:req_athena, ">= 0.0.0"}, config: []}
-            }
+            },
+            explorer
+          ]
+        },
+        %{
+          name: "Clickhouse",
+          packages: [
+            kino_db,
+            %{
+              name: "req_ch",
+              dependency: %{dep: {:req_ch, ">= 0.0.0"}, config: []}
+            },
+            explorer
           ]
         },
         %{