diff --git a/dub.sdl b/dub.sdl
index a59b8ea..24e18e4 100644
--- a/dub.sdl
+++ b/dub.sdl
@@ -2,5 +2,5 @@ name "md"
 description "A tool for executing sources in Markdown."
 authors "lempiji"
 license "MIT"
-dependency "jcli" version="~>0.12.0"
+dependency "jcli" version="~>0.24.0"
 dependency "commonmark-d" version="~>1.0.8"
diff --git a/dub.selections.json b/dub.selections.json
index 3bae06f..c74ddc2 100644
--- a/dub.selections.json
+++ b/dub.selections.json
@@ -2,8 +2,7 @@
 	"fileVersion": 1,
 	"versions": {
 		"commonmark-d": "1.0.8",
-		"jcli": "0.12.0",
-		"jioc": "0.2.0",
+		"jcli": "0.24.0",
 		"silly": "1.0.2"
 	}
 }
diff --git a/source/commands/main.d b/source/commands/main.d
index 5819b42..c7e95e7 100644
--- a/source/commands/main.d
+++ b/source/commands/main.d
@@ -12,15 +12,15 @@ import std.range;
 @CommandDefault("Execute code block in markdown.")
 struct DefaultCommand
 {
-    @CommandPositionalArg(0, "file", "Markdown file (.md)")
+    @ArgPositional("file", "Markdown file (.md)")
     Nullable!string file;
 
-    @CommandArgGroup("Options")
+    @ArgGroup("Options")
     {
-        @CommandNamedArg("quiet|q", "Only print warnings and errors")
+        @ArgNamed("quiet|q", "Only print warnings and errors")
         Nullable!bool quiet;
 
-        @CommandNamedArg("verbose|v", "Print diagnostic output")
+        @ArgNamed("verbose|v", "Print diagnostic output")
         Nullable!bool verbose;
     }
 
@@ -105,15 +105,15 @@ struct DefaultCommand
         }
 
         if (!quiet.get(false))
-            UserIO.logInfof("Total blocks: %d", totalCount);
+            stdout.writefln!"Total blocks: %d"(totalCount);
         if (errorCount != 0)
         {
-            UserIO.logErrorf("Errors: %d", errorCount);
+            stderr.writefln!"Errors: %d"(errorCount);
             return 1;
         }
 
         if (!quiet.get(false))
-            UserIO.logInfof("Success all blocks.");
+            stdout.writeln("Success all blocks.");
         return 0;
     }
 }