diff --git a/.github/workflows/makefile.yml b/.github/workflows/makefile.yml
index bcc22ec..ddb16b7 100644
--- a/.github/workflows/makefile.yml
+++ b/.github/workflows/makefile.yml
@@ -12,10 +12,13 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+    - name: Install Lua
+      run: sudo apt-get install -y liblua5.4-dev lua5.4
+
     - uses: actions/checkout@v3
 
     - name: configure
-      run: ./autogen.sh && ./configure
+      run: ./autogen.sh && ./configure --enable-lua
 
     - name: Install dependencies
       run: make
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1e23994..5968dce 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@ PROJECT(libucl C)
 
 SET(LIBUCL_VERSION_MAJOR 0)
 SET(LIBUCL_VERSION_MINOR 9)
-SET(LIBUCL_VERSION_PATCH 0)
+SET(LIBUCL_VERSION_PATCH 1)
 
 SET(LIBUCL_VERSION
         "${LIBUCL_VERSION_MAJOR}.${LIBUCL_VERSION_MINOR}.${LIBUCL_VERSION_PATCH}")
diff --git a/Makefile.unix b/Makefile.unix
index a2b0f8b..29b994a 100644
--- a/Makefile.unix
+++ b/Makefile.unix
@@ -4,7 +4,7 @@ LD ?= gcc
 C_COMMON_FLAGS ?= -fPIC -Wall -W -Wno-unused-parameter -Wno-pointer-sign -I./include -I./uthash -I./src -I./klib
 MAJOR_VERSION = 0
 MINOR_VERSION = 9
-PATCH_VERSION = 0
+PATCH_VERSION = 1
 VERSION = "$(MAJOR_VERSION).$(MINOR_VERSION).$(PATCH_VERSION)"
 SONAME = libucl.so
 SONAME_FULL = $(SONAME).$(MAJOR_VERSION)
diff --git a/configure.ac b/configure.ac
index a27a8f5..3c35ff0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 m4_define([maj_ver], [0])
 m4_define([med_ver], [9])
-m4_define([min_ver], [0])
-m4_define([so_version], [9:0:0])
+m4_define([min_ver], [1])
+m4_define([so_version], [9:0:1])
 m4_define([ucl_version], [maj_ver.med_ver.min_ver])
 
 AC_INIT([libucl],[ucl_version],[https://github.com/vstakhov/libucl],[libucl])
diff --git a/lua/lua_ucl.c b/lua/lua_ucl.c
index c2e39c4..d6be69e 100644
--- a/lua/lua_ucl.c
+++ b/lua/lua_ucl.c
@@ -406,7 +406,6 @@ ucl_object_lua_fromtable (lua_State *L, int idx, ucl_string_flags_t flags)
 
 	/* Table iterate */
 	if (is_array) {
-		int i;
 
 		if (!is_implicit) {
 			top = ucl_object_typed_new (UCL_ARRAY);
@@ -416,7 +415,7 @@ ucl_object_lua_fromtable (lua_State *L, int idx, ucl_string_flags_t flags)
 			top = NULL;
 		}
 
-		for (i = 1; i <= max; i ++) {
+		for (size_t i = 1; i <= max; i ++) {
 			lua_pushinteger (L, i);
 			lua_gettable (L, idx);
 
@@ -886,8 +885,8 @@ lua_ucl_parser_parse_text (lua_State *L)
 		t = lua_touserdata (L, 2);
 	}
 	else if (lua_type (L, 2) == LUA_TSTRING) {
-		const gchar *s;
-		gsize len;
+		const char *s;
+		size_t len;
 		static struct _rspamd_lua_text st_t;
 
 		s = lua_tolstring (L, 2, &len);
diff --git a/src/ucl_emitter.c b/src/ucl_emitter.c
index a8158d8..97d8f61 100644
--- a/src/ucl_emitter.c
+++ b/src/ucl_emitter.c
@@ -266,6 +266,7 @@ ucl_emitter_common_start_array (struct ucl_emitter_context *ctx,
 				func->ucl_emitter_append_len (",\n", 2, func->ud);
 			}
 		}
+		ucl_add_tabs (func, ctx->indent, compact);
 	}
 
 	ucl_emitter_print_key (print_key, ctx, obj, compact);
@@ -325,6 +326,7 @@ ucl_emitter_common_start_object (struct ucl_emitter_context *ctx,
 				func->ucl_emitter_append_len (",\n", 2, func->ud);
 			}
 		}
+		ucl_add_tabs (func, ctx->indent, compact);
 	}
 
 	ucl_emitter_print_key (print_key, ctx, obj, compact);
@@ -472,11 +474,11 @@ ucl_emitter_common_elt (struct ucl_emitter_context *ctx,
 		ucl_emitter_finish_object (ctx, obj, compact, !print_key);
 		break;
 	case UCL_OBJECT:
-		ucl_emitter_common_start_object (ctx, obj, false, print_key, compact);
+		ucl_emitter_common_start_object (ctx, obj, true, print_key, compact);
 		ucl_emitter_common_end_object (ctx, obj, compact);
 		break;
 	case UCL_ARRAY:
-		ucl_emitter_common_start_array (ctx, obj, false, print_key, compact);
+		ucl_emitter_common_start_array (ctx, obj, true, print_key, compact);
 		ucl_emitter_common_end_array (ctx, obj, compact);
 		break;
 	case UCL_USERDATA: